Skipping 81 KB.. Full Log

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