Console Output

[INFO] 
[INFO] -----------------< org.eclipse.rdf4j:rdf4j-sail-spin >------------------
[INFO] Building RDF4J: SPIN SAIL 3.1.5-SNAPSHOT                        [62/100]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:3.0.0:clean (default-clean) @ rdf4j-sail-spin ---
[INFO] 
[INFO] --- buildnumber-maven-plugin:1.4:create (default) @ rdf4j-sail-spin ---
[INFO] ShortRevision tag detected. The value is '7'.
[INFO] Executing: /bin/sh -c cd '/home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/sail-spin' && 'git' 'rev-parse' '--verify' '--short=7' 'HEAD'
[INFO] Working directory: /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/sail-spin
[INFO] Storing buildNumber: f17a5bb at timestamp: 1588011301037
[WARNING] Cannot get the branch information from the git repository: 
Detecting the current branch failed: fatal: ref HEAD is not a symbolic ref

[INFO] ShortRevision tag detected. The value is '7'.
[INFO] Executing: /bin/sh -c cd '/home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/sail-spin' && 'git' 'rev-parse' '--verify' '--short=7' 'HEAD'
[INFO] Working directory: /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/sail-spin
[INFO] Storing buildScmBranch: UNKNOWN
[INFO] 
[INFO] --- maven-enforcer-plugin:1.4.1:enforce (enforce-bytecode-version) @ rdf4j-sail-spin ---
[INFO] Adding ignore: META-INF/**/module-info
[INFO] 
[INFO] --- formatter-maven-plugin:2.8.1:format (default) @ rdf4j-sail-spin ---
[INFO] Using 'UTF-8' encoding to format source files.
[INFO] Number of files to be formatted: 28
[INFO] Successfully formatted:          0 file(s)
[INFO] Fail to format:                  0 file(s)
[INFO] Skipped:                         28 file(s)
[INFO] Read only skipped:               0 file(s)
[INFO] Approximate time taken:          0s
[INFO] 
[INFO] --- impsort-maven-plugin:1.3.2:sort (default) @ rdf4j-sail-spin ---
[INFO]  Total Files Processed: 28 in 00:00.064
[INFO]         Already Sorted: 28
[INFO]         Needed Sorting:  0
[INFO] 
[INFO] --- maven-resources-plugin:3.0.2:resources (default-resources) @ rdf4j-sail-spin ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @ rdf4j-sail-spin ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 18 source files to /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/sail-spin/target/classes
[INFO] 
[INFO] --- maven-resources-plugin:3.0.2:testResources (default-testResources) @ rdf4j-sail-spin ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 35 resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.7.0:testCompile (default-testCompile) @ rdf4j-sail-spin ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 10 source files to /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/sail-spin/target/test-classes
[INFO] 
[INFO] --- maven-surefire-plugin:2.22.2:test (default-test) @ rdf4j-sail-spin ---
[INFO] 
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------
[INFO] Running org.eclipse.rdf4j.sail.spin.SpinMemoryRepositoryConnectionTest
[WARNING] Tests run: 1, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 0.012 s - in org.eclipse.rdf4j.sail.spin.SpinMemoryRepositoryConnectionTest
[INFO] Running org.eclipse.rdf4j.sail.spin.EvaluationModeTest
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.831 s - in org.eclipse.rdf4j.sail.spin.EvaluationModeTest
[INFO] Running org.eclipse.rdf4j.sail.spin.SpifSailTest
[INFO] Tests run: 15, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 27.988 s - in org.eclipse.rdf4j.sail.spin.SpifSailTest
[INFO] Running org.eclipse.rdf4j.sail.spin.SpinRDFSMemoryRepositoryConnectionTest
[WARNING] Tests run: 1, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 0 s - in org.eclipse.rdf4j.sail.spin.SpinRDFSMemoryRepositoryConnectionTest
[INFO] Running org.eclipse.rdf4j.sail.spin.SpinSailTest
18:15:40.425 [main] ERROR Constraint violation: Test constraint:   
18:15:43.841 [main] ERROR Constraint violation: Invalid number of values: 0: ex:Tom ex:prop 
[WARNING] Tests run: 16, Failures: 0, Errors: 0, Skipped: 2, Time elapsed: 6.323 s - in org.eclipse.rdf4j.sail.spin.SpinSailTest
[INFO] Running org.eclipse.rdf4j.sail.spin.SpinSailWithoutRDFSInferencerTest
18:15:45.083 [main] ERROR Constraint violation: Test constraint:   
18:15:46.753 [main] ERROR Constraint violation: Invalid number of values: 0: ex:Tom ex:prop 
[INFO] Tests run: 14, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.394 s - in org.eclipse.rdf4j.sail.spin.SpinSailWithoutRDFSInferencerTest
[INFO] Running org.eclipse.rdf4j.sail.spin.SplSailTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.258 s - in org.eclipse.rdf4j.sail.spin.SplSailTest
[INFO] 
[INFO] Results:
[INFO] 
[WARNING] Tests run: 50, Failures: 0, Errors: 0, Skipped: 4
[INFO] 
[JENKINS] Recording test results
[INFO] 
[INFO] --- animal-sniffer-maven-plugin:1.16:check (default) @ rdf4j-sail-spin ---
[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-spin ---
[INFO] Building jar: /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/sail-spin/target/rdf4j-sail-spin-3.1.5-SNAPSHOT.jar
[INFO] 
[INFO] --- maven-install-plugin:2.4:install (default-install) @ rdf4j-sail-spin ---
[INFO] Installing /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/sail-spin/target/rdf4j-sail-spin-3.1.5-SNAPSHOT.jar to /home/jenkins/.m2/repository/org/eclipse/rdf4j/rdf4j-sail-spin/3.1.5-SNAPSHOT/rdf4j-sail-spin-3.1.5-SNAPSHOT.jar
[INFO] Installing /home/jenkins/agent/workspace/rdf4j-master-deploy/core/sail/sail-spin/pom.xml to /home/jenkins/.m2/repository/org/eclipse/rdf4j/rdf4j-sail-spin/3.1.5-SNAPSHOT/rdf4j-sail-spin-3.1.5-SNAPSHOT.pom