UT fail on Mojave

[dseguy]

I just ran the build on OSX Mojave, with Maven 3.6.0.
There were 2 errors.

Does this help ? Do you need more logs ?

[INFO] Scanning for projects...
[INFO] 
[INFO] ---------------------< com.lambdazen.bitsy:bitsy >----------------------
[INFO] Building Bitsy Graph Database 3.1.1-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:3.1.0:clean (default-clean) @ bitsy ---
[INFO] 
[INFO] --- maven-enforcer-plugin:3.0.0-M2:enforce (enforce-maven) @ bitsy ---
[INFO] 
[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ bitsy ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.8.0:compile (default-compile) @ bitsy ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 100 source files to /Users/famille/Desktop/bitsy/target/classes
[INFO] /Users/famille/Desktop/bitsy/src/main/java/com/lambdazen/bitsy/store/Record.java: Some input files use or override a deprecated API.
[INFO] /Users/famille/Desktop/bitsy/src/main/java/com/lambdazen/bitsy/store/Record.java: Recompile with -Xlint:deprecation for details.
[INFO] /Users/famille/Desktop/bitsy/src/main/java/com/lambdazen/bitsy/index/BitsyIndex.java: Some input files use unchecked or unsafe operations.
[INFO] /Users/famille/Desktop/bitsy/src/main/java/com/lambdazen/bitsy/index/BitsyIndex.java: Recompile with -Xlint:unchecked for details.
[INFO] 
[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ bitsy ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 59 resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.8.0:testCompile (default-testCompile) @ bitsy ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 18 source files to /Users/famille/Desktop/bitsy/target/test-classes
[INFO] /Users/famille/Desktop/bitsy/src/test/java/com/lambdazen/bitsy/structure/BitsyGraphStructureTestSuite.java: Some input files use or override a deprecated API.
[INFO] /Users/famille/Desktop/bitsy/src/test/java/com/lambdazen/bitsy/structure/BitsyGraphStructureTestSuite.java: Recompile with -Xlint:deprecation for details.
[INFO] /Users/famille/Desktop/bitsy/src/test/java/com/lambdazen/bitsy/store/FileBackedMemoryGraphStoreTest.java: Some input files use unchecked or unsafe operations.
[INFO] /Users/famille/Desktop/bitsy/src/test/java/com/lambdazen/bitsy/store/FileBackedMemoryGraphStoreTest.java: Recompile with -Xlint:unchecked for details.
[INFO] 
[INFO] --- maven-surefire-plugin:2.22.1:test (default-test) @ bitsy ---
[INFO] 
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------
[INFO] Running com.lambdazen.bitsy.ads.set.SetTest
[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.796 s - in com.lambdazen.bitsy.ads.set.SetTest
[INFO] Running com.lambdazen.bitsy.ads.set.CompactMultiSetMaxTest
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.369 s - in com.lambdazen.bitsy.ads.set.CompactMultiSetMaxTest
[INFO] Running com.lambdazen.bitsy.ads.dict.DictionaryTest
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.389 s - in com.lambdazen.bitsy.ads.dict.DictionaryTest
[INFO] Running com.lambdazen.bitsy.util.CommittableFileLogTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.545 s - in com.lambdazen.bitsy.util.CommittableFileLogTest
[INFO] Running com.lambdazen.bitsy.FileBasedTestCase
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.031 s - in com.lambdazen.bitsy.FileBasedTestCase
[INFO] Running com.lambdazen.bitsy.RecoveryTest
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.8 s - in com.lambdazen.bitsy.RecoveryTest
[INFO] Running com.lambdazen.bitsy.structure.HasLabelTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.197 s - in com.lambdazen.bitsy.structure.HasLabelTest
[INFO] Running com.lambdazen.bitsy.store.RecordTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.293 s - in com.lambdazen.bitsy.store.RecordTest
[INFO] Running com.lambdazen.bitsy.store.SingleThreadedStringCanonicalizerTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.023 s - in com.lambdazen.bitsy.store.SingleThreadedStringCanonicalizerTest
[INFO] Running com.lambdazen.bitsy.store.EndpointTest
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.041 s - in com.lambdazen.bitsy.store.EndpointTest
[INFO] Running com.lambdazen.bitsy.store.MemoryGraphStoreTest
[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.19 s - in com.lambdazen.bitsy.store.MemoryGraphStoreTest
[INFO] Running com.lambdazen.bitsy.store.FileBackedMemoryGraphStoreTest
[INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.578 s - in com.lambdazen.bitsy.store.FileBackedMemoryGraphStoreTest
[INFO] 
[INFO] Results:
[INFO] 
[INFO] Tests run: 22, Failures: 0, Errors: 0, Skipped: 0
[INFO] 
[INFO] 
[INFO] --- maven-jar-plugin:3.1.0:jar (default-jar) @ bitsy ---
[INFO] Building jar: /Users/famille/Desktop/bitsy/target/bitsy-3.1.1-SNAPSHOT.jar
[INFO] 
[INFO] --- maven-source-plugin:3.0.1:jar-no-fork (attach-sources) @ bitsy ---
[INFO] Building jar: /Users/famille/Desktop/bitsy/target/bitsy-3.1.1-SNAPSHOT-sources.jar
[INFO] 
[INFO] --- maven-failsafe-plugin:2.22.1:integration-test (default) @ bitsy ---
[INFO] 
[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------
[INFO] Running com.lambdazen.bitsy.BitsyMemGraphIT
[INFO] Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 32.503 s - in com.lambdazen.bitsy.BitsyMemGraphIT
[INFO] Running com.lambdazen.bitsy.util.DoubleBufferIT
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 67.002 s - in com.lambdazen.bitsy.util.DoubleBufferIT
[INFO] Running com.lambdazen.bitsy.BitsyGraphIT
[INFO] Tests run: 11, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 44.431 s - in com.lambdazen.bitsy.BitsyGraphIT
[INFO] Running com.lambdazen.bitsy.structure.BitsyGraphStructureTestSuite
[WARNING] Tests run: 52, Failures: 0, Errors: 0, Skipped: 10, Time elapsed: 1.53 s - in com.lambdazen.bitsy.structure.BitsyGraphStructureTestSuite
[INFO] Running com.lambdazen.bitsy.structure.BitsyProcessStandardTestSuite
[ERROR] Tests run: 48, Failures: 0, Errors: 2, Skipped: 4, Time elapsed: 1.97 s <<< FAILURE! - in com.lambdazen.bitsy.structure.BitsyProcessStandardTestSuite
[ERROR] g_V_hasIdXemptyX_count(org.apache.tinkerpop.gremlin.process.traversal.step.filter.HasTest$Traversals)  Time elapsed: 0.024 s  <<< ERROR!
java.lang.NullPointerException

[ERROR] g_V_hasIdXwithinXemptyXX_count(org.apache.tinkerpop.gremlin.process.traversal.step.filter.HasTest$Traversals)  Time elapsed: 0.018 s  <<< ERROR!
java.lang.NullPointerException

[INFO] 
[INFO] Results:
[INFO] 
[ERROR] Errors: 
[ERROR]   HasTest$Traversals>HasTest.g_V_hasIdXemptyX_count:490->AbstractGremlinTest.printTraversalForm:243 » NullPointer
[ERROR]   HasTest$Traversals>HasTest.g_V_hasIdXwithinXemptyXX_count:498->AbstractGremlinTest.printTraversalForm:243 » NullPointer
[INFO] 
[ERROR] Tests run: 125, Failures: 0, Errors: 2, Skipped: 14
[INFO] 
[INFO] 
[INFO] --- maven-failsafe-plugin:2.22.1:verify (default) @ bitsy ---
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  02:46 min
[INFO] Finished at: 2019-02-12T19:16:00+01:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-failsafe-plugin:2.22.1:verify (default) on project bitsy: There are test failures.
[ERROR] 
[ERROR] Please refer to /Users/famille/Desktop/bitsy/target/failsafe-reports for the individual test results.
[ERROR] Please refer to dump files (if any exist) [date].dump, [date]-jvmRun[N].dump and [date].dumpstream.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException