Looks like there's a Test worker thread that keeps running and changing. Maybe the dunit test is pushing the dunit job over its time limit:
"Test worker" #27 prio=5 os_prio=0 cpu=1332.79ms elapsed=4871.91s tid=0x00007f67c4a78800 nid=0x1c runnable [0x00007f675fbf3000] java.lang.Thread.State: RUNNABLE at java.net.SocketInputStream.socketRead0(java.base@11.0.1/Native Method) at java.net.SocketInputStream.socketRead(java.base@11.0.1 /SocketInputStream.java:115) at java.net.SocketInputStream.read(java.base@11.0.1 /SocketInputStream.java:168) at java.net.SocketInputStream.read(java.base@11.0.1 /SocketInputStream.java:140) at java.io.BufferedInputStream.fill(java.base@11.0.1 /BufferedInputStream.java:252) at java.io.BufferedInputStream.read(java.base@11.0.1 /BufferedInputStream.java:271) - locked <0x00000000d131b270> (a java.io.BufferedInputStream) at java.io.DataInputStream.readByte(java.base@11.0.1 /DataInputStream.java:270) at sun.rmi.transport.StreamRemoteCall.executeCall(java.rmi@11.0.1 /StreamRemoteCall.java:222) at sun.rmi.server.UnicastRef.invoke(java.rmi@11.0.1 /UnicastRef.java:161) at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(java.rmi@11.0.1 /RemoteObjectInvocationHandler.java:209) at java.rmi.server.RemoteObjectInvocationHandler.invoke(java.rmi@11.0.1 /RemoteObjectInvocationHandler.java:161) at com.sun.proxy.$Proxy32.executeMethodOnObject(Unknown Source) at org.apache.geode.test.dunit.VM.executeMethodOnObject(VM.java:530) at org.apache.geode.test.dunit.VM.invoke(VM.java:390) at org.apache.geode.test.dunit.rules.ClusterStartupRule.startServerVM(ClusterStartupRule.java:239) at org.apache.geode.test.dunit.rules.ClusterStartupRule.startServerVM(ClusterStartupRule.java:232) at org.apache.geode.test.dunit.rules.ClusterStartupRule.startServerVM(ClusterStartupRule.java:218) at org.apache.geode.management.internal.configuration.ClusterConfigLocatorRestartDUnitTest.serverRestartsAfterOneLocatorDies(ClusterConfigLocatorRestartDUnitTest.java:98) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@11.0.1/Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@11.0.1 /NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@11.0.1 /DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(java.base@11.0.1/Method.java:566) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.apache.geode.test.junit.rules.DescribedExternalResource$1.evaluate(DescribedExternalResource.java:40) at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:110) at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58) at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:38) at org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:66) at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@11.0.1/Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@11.0.1 /NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@11.0.1 /DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(java.base@11.0.1/Method.java:566) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:32) at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93) at com.sun.proxy.$Proxy2.processTestClass(Unknown Source) at org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:118) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@11.0.1/Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@11.0.1 /NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@11.0.1 /DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(java.base@11.0.1/Method.java:566) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:175) at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:157) at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:404) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46) at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1 /ThreadPoolExecutor.java:1128) at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1 /ThreadPoolExecutor.java:628) at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55) at java.lang.Thread.run(java.base@11.0.1/Thread.java:834) Locked ownable synchronizers: - <0x00000000d0884428> (a java.util.concurrent.ThreadPoolExecutor$Worker) On Wed, Jan 23, 2019 at 10:02 AM Kirk Lund <kl...@apache.org> wrote: > I hit a dunit hang in one of my precheckin runs. > > The only test mentioned in callstacks/dunit-hangs.txt is > ClusterConfigLocatorRestartDUnitTest. > > I see some Pooled Message Processor threads that might be hung waiting for > the same > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject on > OverflowQueueWithDMStat. > > ClusterConfigurationLoader and FunctionStreamingResultCollector might be > involved. > > Here's the link if someone working on cluster config wants to download the > tgz and look through the callstacks: > https://concourse.apachegeode-ci.info/builds/31696 > > "RMI TCP Connection(1)-172.17.0.14" #34 daemon prio=5 os_prio=0 > cpu=1485.20ms elapsed=4864.19s tid=0x00007f6950001800 nid=0x213 waiting on > condition [0x00007f696b5f3000] > java.lang.Thread.State: TIMED_WAITING (parking) > at jdk.internal.misc.Unsafe.park(java.base@11.0.1/Native Method) > - parking to wait for <0x00000000ed7bf538> (a > java.util.concurrent.CountDownLatch$Sync) > at > java.util.concurrent.locks.LockSupport.parkNanos(java.base@11.0.1 > /LockSupport.java:234) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(java.base@11.0.1 > /AbstractQueuedSynchronizer.java:1079) > at > java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(java.base@11.0.1 > /AbstractQueuedSynchronizer.java:1369) > at java.util.concurrent.CountDownLatch.await(java.base@11.0.1 > /CountDownLatch.java:278) > at > org.apache.geode.internal.util.concurrent.StoppableCountDownLatch.await(StoppableCountDownLatch.java:61) > at > org.apache.geode.distributed.internal.ReplyProcessor21.basicWait(ReplyProcessor21.java:714) > at > org.apache.geode.distributed.internal.ReplyProcessor21.waitForRepliesUninterruptibly(ReplyProcessor21.java:785) > at > org.apache.geode.distributed.internal.ReplyProcessor21.waitForRepliesUninterruptibly(ReplyProcessor21.java:762) > at > org.apache.geode.internal.cache.execute.FunctionStreamingResultCollector.getResult(FunctionStreamingResultCollector.java:142) > at > org.apache.geode.internal.cache.ClusterConfigurationLoader.requestConfigurationFromOneLocator(ClusterConfigurationLoader.java:313) > at > org.apache.geode.internal.cache.ClusterConfigurationLoader.requestConfigurationFromLocators(ClusterConfigurationLoader.java:282) > at > org.apache.geode.internal.cache.GemFireCacheImpl.requestSharedConfiguration(GemFireCacheImpl.java:1074) > at > org.apache.geode.internal.cache.GemFireCacheImpl.<init>(GemFireCacheImpl.java:859) > - locked <0x00000000ed7bf7f8> (a java.lang.Class for > org.apache.geode.internal.cache.GemFireCacheImpl) > at > org.apache.geode.internal.cache.GemFireCacheImpl.basicCreate(GemFireCacheImpl.java:796) > - locked <0x00000000ed7bf7f8> (a java.lang.Class for > org.apache.geode.internal.cache.GemFireCacheImpl) > at > org.apache.geode.internal.cache.GemFireCacheImpl.create(GemFireCacheImpl.java:785) > at > org.apache.geode.cache.CacheFactory.create(CacheFactory.java:176) > - locked <0x00000000ed6005b0> (a java.lang.Class for > org.apache.geode.cache.CacheFactory) > at > org.apache.geode.cache.CacheFactory.create(CacheFactory.java:223) > - locked <0x00000000ed6005b0> (a java.lang.Class for > org.apache.geode.cache.CacheFactory) > at > org.apache.geode.test.junit.rules.ServerStarterRule.startServer(ServerStarterRule.java:174) > at > org.apache.geode.test.junit.rules.ServerStarterRule.before(ServerStarterRule.java:80) > at > org.apache.geode.test.dunit.rules.ClusterStartupRule.lambda$startServerVM$729766c4$1(ClusterStartupRule.java:248) > at > org.apache.geode.test.dunit.rules.ClusterStartupRule$$Lambda$131/0x00000008401c0840.call(Unknown > Source) > at > jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@11.0.1/Native > Method) > at > jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@11.0.1 > /NativeMethodAccessorImpl.java:62) > at > jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@11.0.1 > /DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(java.base@11.0.1 > /Method.java:566) > at > org.apache.geode.test.dunit.internal.MethodInvoker.executeObject(MethodInvoker.java:123) > at > org.apache.geode.test.dunit.internal.RemoteDUnitVM.executeMethodOnObject(RemoteDUnitVM.java:69) > at > jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@11.0.1/Native > Method) > at > jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@11.0.1 > /NativeMethodAccessorImpl.java:62) > at > jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@11.0.1 > /DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(java.base@11.0.1 > /Method.java:566) > at sun.rmi.server.UnicastServerRef.dispatch(java.rmi@11.0.1 > /UnicastServerRef.java:359) > at sun.rmi.transport.Transport$1.run(java.rmi@11.0.1 > /Transport.java:200) > at sun.rmi.transport.Transport$1.run(java.rmi@11.0.1 > /Transport.java:197) > at java.security.AccessController.doPrivileged(java.base@11.0.1/Native > Method) > at sun.rmi.transport.Transport.serviceCall(java.rmi@11.0.1 > /Transport.java:196) > at > sun.rmi.transport.tcp.TCPTransport.handleMessages(java.rmi@11.0.1 > /TCPTransport.java:562) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(java.rmi@11.0.1 > /TCPTransport.java:796) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(java.rmi@11.0.1 > /TCPTransport.java:677) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler$$Lambda$126/0x000000084019f440.run(java.rmi@11.0.1/Unknown > Source) > at java.security.AccessController.doPrivileged(java.base@11.0.1/Native > Method) > at > sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(java.rmi@11.0.1 > /TCPTransport.java:676) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@11.0.1 > /ThreadPoolExecutor.java:1128) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@11.0.1 > /ThreadPoolExecutor.java:628) > at java.lang.Thread.run(java.base@11.0.1/Thread.java:834) > > Locked ownable synchronizers: > - <0x00000000ed5c8f60> (a > java.util.concurrent.ThreadPoolExecutor$Worker) > >