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https://issues.apache.org/jira/browse/TINKERPOP-2859?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17679167#comment-17679167
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Martin Häusler commented on TINKERPOP-2859:
-------------------------------------------
[~spmallette] I'm absolutely certain about the following:
* My tinkerpop version is 3.6.1 (it's the only version on my classpath, I
double-checked). The classes StructureStandardSuite and ProcessStandardSuite
are provided by gremlin-test:3.6.1.
* Building & Running my code and using the test suite on JDK 8 works just fine.
* As soon as I switch my JDK to 11 or 18 (I only have these two installed at
the moment) in IntelliJ, the test suites report the stack trace I've stated
above.
* Running my own tests with JDK 18 also works, even the ones involving
TinkerPop APIs.
* Running my code outside a unit testing environment under JDK 18 also works
(including TinkerPop APIs).
I attempted the same test suite runs on two independent linux machines with
exactly the same result. Judging by the stack trace, this seems to somehow be
related to Gryo and the tinkerpop-shaded kryo, performing some reflective
operations they're not supposed to do. My implementation doesn't use Gryo at
all, and I didn't perform any configuration related to it. I'm on OpenJDK, if
that matters.
> ProcessStandardSuite and StructureStandardSuite fail due to invalid
> reflection access when executed in Java 11 or higher
> ------------------------------------------------------------------------------------------------------------------------
>
> Key: TINKERPOP-2859
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2859
> Project: TinkerPop
> Issue Type: Bug
> Components: test-suite
> Affects Versions: 3.6.1
> Reporter: Martin Häusler
> Priority: Major
>
> I currently cannot execute the majority of tests in the provided
> ProcessStandardSuite and StructureStandardSuite under Java 11 and higher
> because of the following exception:
> {noformat}
> java.lang.IllegalArgumentException: Unable to create serializer
> "org.apache.tinkerpop.shaded.kryo.serializers.FieldSerializer" for class:
> java.util.concurrent.atomic.AtomicLong at
> org.apache.tinkerpop.shaded.kryo.factories.ReflectionSerializerFactory.makeSerializer(ReflectionSerializerFactory.java:67)
> at
> org.apache.tinkerpop.shaded.kryo.factories.ReflectionSerializerFactory.makeSerializer(ReflectionSerializerFactory.java:45)
> at
> org.apache.tinkerpop.shaded.kryo.Kryo.newDefaultSerializer(Kryo.java:380)
> at
> org.apache.tinkerpop.shaded.kryo.Kryo.getDefaultSerializer(Kryo.java:364)
> at
> org.apache.tinkerpop.gremlin.structure.io.gryo.GryoTypeReg.registerWith(GryoTypeReg.java:122)
> at
> org.apache.tinkerpop.gremlin.structure.io.gryo.GryoMapper.createMapper(GryoMapper.java:101)
> at
> org.apache.tinkerpop.gremlin.structure.io.gryo.GryoMapper.createMapper(GryoMapper.java:75)
> at
> org.apache.tinkerpop.gremlin.structure.io.gryo.GryoReader.<init>(GryoReader.java:71)
> at
> org.apache.tinkerpop.gremlin.structure.io.gryo.GryoReader.<init>(GryoReader.java:64)
> at
> org.apache.tinkerpop.gremlin.structure.io.gryo.GryoReader$Builder.create(GryoReader.java:302)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.sideEffect.IoStep.constructReader(IoStep.java:156)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.sideEffect.IoStep.read(IoStep.java:132)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.sideEffect.IoStep.processNextStart(IoStep.java:110)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.hasNext(AbstractStep.java:150)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.util.ExpandableStepIterator.next(ExpandableStepIterator.java:55)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.filter.FilterStep.processNextStart(FilterStep.java:40)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.next(AbstractStep.java:135)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.next(AbstractStep.java:40)
> at
> org.apache.tinkerpop.gremlin.process.traversal.Traversal.iterate(Traversal.java:210)
> at
> org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal.iterate(GraphTraversal.java:3333)
> at
> org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal$Admin.iterate(GraphTraversal.java:202)
> at
> org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.DefaultGraphTraversal.iterate(DefaultGraphTraversal.java:48)
> at
> org.apache.tinkerpop.gremlin.AbstractGraphProvider.readIntoGraph(AbstractGraphProvider.java:153)
> at
> org.apache.tinkerpop.gremlin.AbstractGraphProvider.loadGraphData(AbstractGraphProvider.java:93)
> at
> org.apache.tinkerpop.gremlin.GraphManager$ManagedGraphProvider.loadGraphData(GraphManager.java:168)
> at
> org.apache.tinkerpop.gremlin.AbstractGremlinTest.setup(AbstractGremlinTest.java:116)
> at jdk.internal.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:568)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> at
> org.junit.internal.runners.statements.RunBefores.invokeMethod(RunBefores.java:33)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> at
> org.apache.tinkerpop.gremlin.process.GremlinProcessRunner.runChild(GremlinProcessRunner.java:53)
> at
> org.apache.tinkerpop.gremlin.process.GremlinProcessRunner.runChild(GremlinProcessRunner.java:37)
> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
> at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
> at org.junit.runners.Suite.runChild(Suite.java:128)
> at
> org.apache.tinkerpop.gremlin.AbstractGremlinSuite.runChild(AbstractGremlinSuite.java:226)
> at
> org.apache.tinkerpop.gremlin.AbstractGremlinSuite.runChild(AbstractGremlinSuite.java:51)
> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
> at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
> at
> org.apache.tinkerpop.gremlin.AbstractGremlinSuite$1.evaluate(AbstractGremlinSuite.java:235)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
> at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> at
> com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)
> at
> com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)
> at
> com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)
> at
> com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)
> at
> com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235)
> at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)
> Caused by: java.lang.reflect.InvocationTargetException
> at
> jdk.internal.reflect.GeneratedConstructorAccessor13.newInstance(Unknown
> Source)
> at
> java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at
> java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
> at
> java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
> at
> org.apache.tinkerpop.shaded.kryo.factories.ReflectionSerializerFactory.makeSerializer(ReflectionSerializerFactory.java:54)
> ... 63 more
> Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make
> field private volatile long java.util.concurrent.atomic.AtomicLong.value
> accessible: module java.base does not "opens java.util.concurrent.atomic" to
> unnamed module @402f32ff
> at
> java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:354)
> at
> java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297)
> at java.base/java.lang.reflect.Field.checkCanSetAccessible(Field.java:178)
> at java.base/java.lang.reflect.Field.setAccessible(Field.java:172)
> at
> org.apache.tinkerpop.shaded.kryo.serializers.FieldSerializer.buildValidFields(FieldSerializer.java:306)
> at
> org.apache.tinkerpop.shaded.kryo.serializers.FieldSerializer.rebuildCachedFields(FieldSerializer.java:239)
> at
> org.apache.tinkerpop.shaded.kryo.serializers.FieldSerializer.rebuildCachedFields(FieldSerializer.java:182)
> at
> org.apache.tinkerpop.shaded.kryo.serializers.FieldSerializer.<init>(FieldSerializer.java:155)
> ... 68 more{noformat}
> This may already have been the case with Java 9, but I tested it only with
> Java 11 and 18, both resulting in the same exception.
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