[INFO] [INFO] --------------< org.eclipse.rdf4j:rdf4j-sail-federation >--------------- [INFO] Building RDF4J: Federation SAIL 3.1.5-SNAPSHOT [60/100] [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ rdf4j-sail-federation --- [INFO] [INFO] --- buildnumber-maven-plugin:1.4:create (default) @ rdf4j-sail-federation --- [INFO] ShortRevision tag detected. The value is '7'. [INFO] Executing: /bin/sh -c cd '/home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/federation' && 'git' 'rev-parse' '--verify' '--short=7' 'HEAD' [INFO] Working directory: /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/federation [INFO] Storing buildNumber: f17a5bb at timestamp: 1588011205762 [WARNING] Cannot get the branch information from the git repository: Detecting the current branch failed: fatal: ref HEAD is not a symbolic ref [INFO] ShortRevision tag detected. The value is '7'. [INFO] Executing: /bin/sh -c cd '/home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/federation' && 'git' 'rev-parse' '--verify' '--short=7' 'HEAD' [INFO] Working directory: /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/federation [INFO] Storing buildScmBranch: UNKNOWN [INFO] [INFO] --- maven-enforcer-plugin:1.4.1:enforce (enforce-bytecode-version) @ rdf4j-sail-federation --- [INFO] Adding ignore: META-INF/**/module-info [INFO] [INFO] --- formatter-maven-plugin:2.8.1:format (default) @ rdf4j-sail-federation --- [INFO] Using 'UTF-8' encoding to format source files. [INFO] Number of files to be formatted: 42 [INFO] Successfully formatted: 0 file(s) [INFO] Fail to format: 0 file(s) [INFO] Skipped: 42 file(s) [INFO] Read only skipped: 0 file(s) [INFO] Approximate time taken: 0s [INFO] [INFO] --- impsort-maven-plugin:1.3.2:sort (default) @ rdf4j-sail-federation --- [INFO] Total Files Processed: 42 in 00:00.143 [INFO] Already Sorted: 42 [INFO] Needed Sorting: 0 [INFO] [INFO] --- maven-resources-plugin:3.0.2:resources (default-resources) @ rdf4j-sail-federation --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 1 resource [INFO] [INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @ rdf4j-sail-federation --- [INFO] Changes detected - recompiling the module! [INFO] Compiling 33 source files to /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/federation/target/classes [INFO] [INFO] --- maven-resources-plugin:3.0.2:testResources (default-testResources) @ rdf4j-sail-federation --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] Copying 4 resources [INFO] [INFO] --- maven-compiler-plugin:3.7.0:testCompile (default-testCompile) @ rdf4j-sail-federation --- [INFO] Changes detected - recompiling the module! [INFO] Compiling 9 source files to /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/federation/target/test-classes [INFO] [INFO] --- maven-surefire-plugin:2.22.2:test (default-test) @ rdf4j-sail-federation --- [INFO] [INFO] ------------------------------------------------------- [INFO] T E S T S [INFO] ------------------------------------------------------- [INFO] Running org.eclipse.rdf4j.sail.federation.BloomFilterFederationQueryTest [INFO] Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.25 s - in org.eclipse.rdf4j.sail.federation.BloomFilterFederationQueryTest [INFO] Running org.eclipse.rdf4j.sail.federation.FederationQueryTest [INFO] Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.299 s - in org.eclipse.rdf4j.sail.federation.FederationQueryTest [INFO] Running org.eclipse.rdf4j.sail.federation.FederationTest [WARNING] Tests run: 40, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 0.252 s - in org.eclipse.rdf4j.sail.federation.FederationTest [INFO] Running org.eclipse.rdf4j.sail.federation.SPARQLBuilderTest 18:13:34.161 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.164 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.165 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.165 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.165 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.166 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.166 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.166 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.166 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.167 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.167 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.167 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.167 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.167 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.168 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.168 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.169 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.169 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.169 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.169 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.169 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.170 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.170 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.170 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.170 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.171 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.171 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.171 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.171 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.171 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.172 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.172 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.172 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.172 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.173 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.173 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.173 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.173 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.173 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.174 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.174 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.174 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.174 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.174 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.175 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.175 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.175 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.175 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.175 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.176 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.176 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.176 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.176 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.176 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.177 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.177 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.177 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.177 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.177 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.177 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.178 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.178 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.178 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.178 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.178 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.178 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.178 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.179 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.179 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.179 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.179 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.179 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.179 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.179 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.180 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.180 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.180 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.180 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.180 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.180 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.180 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.181 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.181 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.181 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.181 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.181 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.181 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.181 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.182 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.182 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.182 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.182 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.182 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.182 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.411 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.411 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.411 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.411 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.411 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.412 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.412 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.412 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.412 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.412 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.412 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.413 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.413 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.413 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.413 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.413 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.413 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.413 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.413 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.414 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.414 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.414 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.414 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.414 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.414 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.414 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.414 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.415 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.415 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.415 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.415 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.415 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.415 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.415 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.415 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.416 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.416 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.416 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.416 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.416 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.416 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.416 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.416 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.417 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.417 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.449 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.449 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.450 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.450 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.450 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.450 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.450 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.451 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.451 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.451 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.451 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.451 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.452 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.452 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.452 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.452 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.452 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.453 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.453 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.453 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.453 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.453 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.454 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.454 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.454 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.454 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.454 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.455 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.455 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.455 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.455 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.455 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.455 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.455 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.455 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.456 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.456 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.456 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.456 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.456 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.456 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 18:13:34.456 [main] WARN Forced closing of unclosed iteration that was created in: java.lang.Throwable: null at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.registerIteration(AbstractSailConnection.java:714) at org.eclipse.rdf4j.sail.helpers.AbstractSailConnection.getStatements(AbstractSailConnection.java:298) at org.eclipse.rdf4j.sail.federation.AbstractFederationConnection$FederationTripleSource.getStatements(AbstractFederationConnection.java:346) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:510) at org.eclipse.rdf4j.query.algebra.evaluation.impl.StrictEvaluationStrategy.evaluate(StrictEvaluationStrategy.java:248) at org.eclipse.rdf4j.sail.federation.evaluation.FederationStrategy.evaluate(FederationStrategy.java:59) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.addToRightQueue(ParallelLeftJoinCursor.java:110) at org.eclipse.rdf4j.sail.federation.evaluation.ParallelLeftJoinCursor.run(ParallelLeftJoinCursor.java:92) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) [INFO] Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.747 s - in org.eclipse.rdf4j.sail.federation.SPARQLBuilderTest [INFO] Running org.eclipse.rdf4j.sail.federation.CustomFederationConnectionTest [INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 70.736 s - in org.eclipse.rdf4j.sail.federation.CustomFederationConnectionTest [INFO] Running org.eclipse.rdf4j.sail.federation.optimizers.CardinalityTest [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 s - in org.eclipse.rdf4j.sail.federation.optimizers.CardinalityTest [INFO] Running org.eclipse.rdf4j.sail.federation.FederationNamespacesTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 s - in org.eclipse.rdf4j.sail.federation.FederationNamespacesTest [INFO] Running org.eclipse.rdf4j.sail.federation.FederationConnectionTest 18:14:45.266 [Time-limited test] WARN [Rio error] Illegal language tag char: '_' (6, -1) 18:14:45.283 [Time-limited test] WARN [Rio error] Illegal language tag char: '_' (6, -1) [INFO] Tests run: 71, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s - in org.eclipse.rdf4j.sail.federation.FederationConnectionTest [INFO] Running org.eclipse.rdf4j.runtime.TestRepositoryManagerFederator [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 s - in org.eclipse.rdf4j.runtime.TestRepositoryManagerFederator [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 165, Failures: 0, Errors: 0, Skipped: 1 [INFO] [JENKINS] Recording test results [INFO] [INFO] --- animal-sniffer-maven-plugin:1.16:check (default) @ rdf4j-sail-federation --- [INFO] Checking unresolved references to org.codehaus.mojo.signature:java18:1.0 [INFO] [INFO] --- maven-jar-plugin:2.3.1:jar (default-jar) @ rdf4j-sail-federation --- [INFO] Building jar: /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/federation/target/rdf4j-sail-federation-3.1.5-SNAPSHOT.jar [INFO] [INFO] --- maven-install-plugin:2.4:install (default-install) @ rdf4j-sail-federation --- [INFO] Installing /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/federation/target/rdf4j-sail-federation-3.1.5-SNAPSHOT.jar to /home/jenkins/.m2/repository/org/eclipse/rdf4j/rdf4j-sail-federation/3.1.5-SNAPSHOT/rdf4j-sail-federation-3.1.5-SNAPSHOT.jar [INFO] Installing /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/federation/pom.xml to /home/jenkins/.m2/repository/org/eclipse/rdf4j/rdf4j-sail-federation/3.1.5-SNAPSHOT/rdf4j-sail-federation-3.1.5-SNAPSHOT.pom