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Flaky-test: ThreadLeakDetectorListener
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Example failure
https://github.com/apache/pulsar/actions/runs/7911807641/job/21596798086?pr=22055#step:11:7095
Exception stacktrace
java.lang.NullPointerException: Cannot invoke "java.lang.ThreadGroup.getName()" because the return value of "java.lang.Thread.getThreadGroup()" is null
at org.apache.pulsar.tests.ThreadLeakDetectorListener.shouldSkipThread(ThreadLeakDetectorListener.java:180)
at org.apache.pulsar.tests.ThreadLeakDetectorListener.lambda$compareThreads$0(ThreadLeakDetectorListener.java:133)
at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:178)
at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:921)
at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:682)
at org.apache.pulsar.tests.ThreadLeakDetectorListener.compareThreads(ThreadLeakDetectorListener.java:135)
at org.apache.pulsar.tests.ThreadLeakDetectorListener.onBetweenTestClasses(ThreadLeakDetectorListener.java:78)
at org.apache.pulsar.tests.BetweenTestClassesListenerAdapter.onFinish(BetweenTestClassesListenerAdapter.java:48)
at org.apache.pulsar.tests.ThreadLeakDetectorListener.onFinish(ThreadLeakDetectorListener.java:47)
at org.testng.TestRunner.fireEvent(TestRunner.java:965)
at org.testng.TestRunner.afterRun(TestRunner.java:924)
at org.testng.TestRunner.run(TestRunner.java:605)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:437)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:431)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:391)
at org.testng.SuiteRunner.run(SuiteRunner.java:330)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:95)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1256)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1176)
at org.testng.TestNG.runSuites(TestNG.java:1099)
at org.testng.TestNG.run(TestNG.java:1067)
at org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:155)
at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeSingleClass(TestNGDirectoryTestSuite.java:102)
at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeLazy(TestNGDirectoryTestSuite.java:117)
at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:86)
at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:137)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385)
at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
at org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495)
Error: Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:3.1.0:test (default-test) on project pulsar-transaction-coordinator:
Error:
Error: Please refer to /home/runner/work/pulsar/pulsar/pulsar-transaction/coordinator/target/surefire-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: ExecutionException There was an error in the forked process
Error: Cannot invoke "java.lang.ThreadGroup.getName()" because the return value of "java.lang.Thread.getThreadGroup()" is null
Error: org.apache.maven.surefire.booter.SurefireBooterForkException: ExecutionException There was an error in the forked process
Error: Cannot invoke "java.lang.ThreadGroup.getName()" because the return value of "java.lang.Thread.getThreadGroup()" is null
Error: at org.apache.maven.plugin.surefire.booterclient.ForkStarter.awaitResultsDone(ForkStarter.java:456)
Error: at org.apache.maven.plugin.surefire.booterclient.ForkStarter.runSuitesForkOnceMultiple(ForkStarter.java:358)
Error: at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:296)
Error: at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:250)
Error: at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1203)
Error: at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:1055)
Error: at org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:871)
Error: at com.gradle.maven.scan.extension.internal.d.a.executeMojo(SourceFile:114)
Error: at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2(MojoExecutor.java:370)
Error: at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute(MojoExecutor.java:351)
Error: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:215)
Error: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:171)
Error: at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:163)
Error: at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
Error: at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
Error: at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
Error: at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
Error: at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:299)
Error: at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
Error: at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
Error: at org.apache.maven.cli.MavenCli.execute(MavenCli.java:963)
Error: at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:296)
Error: at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
Error: at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Error: at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
Error: at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
Error: at java.base/java.lang.reflect.Method.invoke(Method.java:568)
Error: at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
Error: at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
Error: at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
Error: at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
Error: Caused by: org.apache.maven.surefire.booter.SurefireBooterForkException: There was an error in the forked process
Error: Cannot invoke "java.lang.ThreadGroup.getName()" because the return value of "java.lang.Thread.getThreadGroup()" is null
Error: at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:628)
Error: at org.apache.maven.plugin.surefire.booterclient.ForkStarter.lambda$null$3(ForkStarter.java:350)
Error: at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Error: at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
Error: at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
Error: at java.base/java.lang.Thread.run(Thread.java:840)
Error: -> [Help 1]
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- [ ] I'm willing to submit a PR!
