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https://issues.apache.org/jira/browse/TINKERPOP-3092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17863360#comment-17863360
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Ken Hu commented on TINKERPOP-3092:
-----------------------------------
For now you'll have to depend on JVM flags. I believe the only way we can
support this without relying on the flags is to implement Modules. See
TINKERPOP-3019 and
[https://lists.apache.org/thread/vkvqcxn6t2lsgpfym7v3g3qvksrh3cwc] for
discussion around that topic.
> Gremlin Standard Test Suite fails on Java 9+ with a module system error
> -----------------------------------------------------------------------
>
> Key: TINKERPOP-3092
> URL: https://issues.apache.org/jira/browse/TINKERPOP-3092
> Project: TinkerPop
> Issue Type: Bug
> Components: test-suite
> Reporter: Martin Häusler
> Priority: Major
>
> I'm taking a second shot at upgrading my graph implementation from Java 8 to
> the current stable Java version (21). However, a lot (922) of TinkerPop tests
> which previously succeeded fail on the new Java version, because Kryo
> attempts to access a private field in AtomicLong which should have been left
> alone.
> The stack trace is attached below; apart from the specific test case, the
> error is identical for all of them). Please also note that this stack trace
> is entirely coming from the "org.apache.tinkerpop" namespace, there's not a
> single class from my implementation in there.
>
> Any advice on what I could do? Do I really have to resort to JVM flags to
> open the module just to make the test suite run? Or am I missing something
> else?
>
> {code:java}
> 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$Builder.create(GryoReader.java:302)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.sideEffect.IoStep.constructReader(IoStep.java:156)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.sideEffect.IoStep.read(IoStep.java:132)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.sideEffect.IoStep.processNextStart(IoStep.java:110)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.hasNext(AbstractStep.java:150)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.util.ExpandableStepIterator.next(ExpandableStepIterator.java:55)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.filter.FilterStep.processNextStart(FilterStep.java:40)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.next(AbstractStep.java:135)
> at
> org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.next(AbstractStep.java:40)
> at
> org.apache.tinkerpop.gremlin.process.traversal.Traversal.iterate(Traversal.java:210)
> at
> org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal.iterate(GraphTraversal.java:3327)
> at
> org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal$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
> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
> at java.base/java.lang.reflect.Method.invoke(Method.java:580) 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.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366) at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
> 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$3.evaluate(ParentRunner.java:306) at
> org.junit.runners.ParentRunner.run(ParentRunner.java:413) at
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:112)
> at
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58)
> at
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:40)
> at
> org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:60)
> at
> org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:52)
> at
> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
> at java.base/java.lang.reflect.Method.invoke(Method.java:580) at
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
> at
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
> at
> org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
> at
> org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
> at jdk.proxy2/jdk.proxy2.$Proxy5.processTestClass(Unknown Source) at
> org.gradle.api.internal.tasks.testing.worker.TestWorker$2.run(TestWorker.java:176)
> at
> org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129)
> at
> org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100)
> at
> org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60)
> at
> org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)
> at
> org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:119)
> at
> org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:66)
> at
> worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
> at
> worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)Caused
> by: java.lang.reflect.InvocationTargetException at
> java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:74)
> at
> java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
> at
> java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
> at
> org.apache.tinkerpop.shaded.kryo.factories.ReflectionSerializerFactory.makeSerializer(ReflectionSerializerFactory.java:54)
> ... 78 moreCaused 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 @82de64a
> at
> java.base/java.lang.reflect.AccessibleObject.throwInaccessibleObjectException(AccessibleObject.java:391)
> at
> java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:367)
> at
> java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:315)
> at
> java.base/java.lang.reflect.Field.checkCanSetAccessible(Field.java:183)
> at java.base/java.lang.reflect.Field.setAccessible(Field.java:177) 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)
> at
> java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
> ... 81 more
> {code}
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