NOTE: This appears to be caused by https://github.com/rsocket/rsocket-java/issues/846

The Jenkins build has started to hang. This may be related to https://github.com/reactor/reactor-core/issues/2152

Tne commit that fails is 9e665388d2affd7c18d3413c1a5d78a89c7763bc with OpenJDK12U-jdk_x64_linux_hotspot_12.0.2_10.tar.gz

I get this:

"Test worker" #13 prio=5 os_prio=0 cpu=35190.76ms elapsed=17314.61s tid=0x00007f48fd0d2000 nid=0x1506 waiting on condition  [0x00007f48c2ee6000]
   java.lang.Thread.State: WAITING (parking)
    at jdk.internal.misc.Unsafe.park(java.base@12.0.2/Native Method)
    - parking to wait for  <0x00000000e4d7a2f0> (a java.util.concurrent.CountDownLatch$Sync)
    at java.util.concurrent.locks.LockSupport.park(java.base@12.0.2/LockSupport.java:194)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(java.base@12.0.2/AbstractQueuedSynchronizer.java:885)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(java.base@12.0.2/AbstractQueuedSynchronizer.java:1039)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(java.base@12.0.2/AbstractQueuedSynchronizer.java:1345)
    at java.util.concurrent.CountDownLatch.await(java.base@12.0.2/CountDownLatch.java:232)
    at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:87)
    at reactor.core.publisher.Mono.block(Mono.java:1678)
    at org.springframework.security.config.annotation.rsocket.RSocketMessageHandlerConnectionITests.lambda$connectWhenNotAuthenticated$1(RSocketMessageHandlerConnectionITests.java:168)
    at org.springframework.security.config.annotation.rsocket.RSocketMessageHandlerConnectionITests$$Lambda$932/0x0000000801d74040.call(Unknown Source)
    at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:62)
    at org.assertj.core.api.AssertionsForClassTypes.catchThrowable(AssertionsForClassTypes.java:750)
    at org.assertj.core.api.AssertionsForClassTypes.assertThatCode(AssertionsForClassTypes.java:721)
    at org.assertj.core.api.Assertions.assertThatCode(Assertions.java:1128)
    at org.springframework.security.config.annotation.rsocket.RSocketMessageHandlerConnectionITests.connectWhenNotAuthenticated(RSocketMessageHandlerConnectionITests.java:165)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@12.0.2/Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@12.0.2/NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@12.0.2/DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(java.base@12.0.2/Method.java:567)
    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.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)
    at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
    at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
    at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
    at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
    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$2.evaluate(ParentRunner.java:268)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
    at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:110)
    at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58)
    at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:38)
    at org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:62)
    at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51)
    at jdk.internal.reflect.GeneratedMethodAccessor171.invoke(Unknown Source)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@12.0.2/DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(java.base@12.0.2/Method.java:567)
    at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
    at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
    at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
    at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
    at com.sun.proxy.$Proxy2.processTestClass(Unknown Source)
    at org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:118)
    at jdk.internal.reflect.GeneratedMethodAccessor170.invoke(Unknown Source)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@12.0.2/DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(java.base@12.0.2/Method.java:567)
    at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
    at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
    at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182)
    at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164)
    at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:412)
    at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
    at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)

Comment From: rwinch

It also hangs with OpenJDK10U-jdk_x64_linux_hotspot_10.0.2_13.tar.gz

I've seen it happen on -33 and -35

Comment From: rwinch

"Test worker" #13 prio=5 os_prio=0 tid=0x00007fd51d176800 nid=0x2080 waiting on condition  [0x00007fd4c28d0000]
   java.lang.Thread.State: WAITING (parking)
    at jdk.internal.misc.Unsafe.park(java.base@10.0.2/Native Method)
    - parking to wait for  <0x00000000ecbea288> (a java.util.concurrent.CountDownLatch$Sync)
    at java.util.concurrent.locks.LockSupport.park(java.base@10.0.2/LockSupport.java:194)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(java.base@10.0.2/AbstractQueuedSynchronizer.java:883)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(java.base@10.0.2/AbstractQueuedSynchronizer.java:1037)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(java.base@10.0.2/AbstractQueuedSynchronizer.java:1343)
    at java.util.concurrent.CountDownLatch.await(java.base@10.0.2/CountDownLatch.java:232)
    at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:87)
    at reactor.core.publisher.Mono.block(Mono.java:1678)
    at org.springframework.security.config.annotation.rsocket.HelloRSocketITests.lambda$retrieveMonoWhenSecureThenDenied$0(HelloRSocketITests.java:98)
    at org.springframework.security.config.annotation.rsocket.HelloRSocketITests$$Lambda$927/1392824140.call(Unknown Source)
    at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:62)
    at org.assertj.core.api.AssertionsForClassTypes.catchThrowable(AssertionsForClassTypes.java:750)
    at org.assertj.core.api.AssertionsForClassTypes.assertThatCode(AssertionsForClassTypes.java:721)
    at org.assertj.core.api.Assertions.assertThatCode(Assertions.java:1128)
    at org.springframework.security.config.annotation.rsocket.HelloRSocketITests.retrieveMonoWhenSecureThenDenied(HelloRSocketITests.java:95)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@10.0.2/Native Method)
    at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@10.0.2/NativeMethodAccessorImpl.java:62)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@10.0.2/DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(java.base@10.0.2/Method.java:564)
    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.springframework.test.context.junit4.statements.RunBeforeTestExecutionCallbacks.evaluate(RunBeforeTestExecutionCallbacks.java:74)
    at org.springframework.test.context.junit4.statements.RunAfterTestExecutionCallbacks.evaluate(RunAfterTestExecutionCallbacks.java:84)
    at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
    at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
    at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
    at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
    at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:251)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97)
    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$2.evaluate(ParentRunner.java:268)
    at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
    at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190)
    at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:110)
    at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58)
    at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:38)
    at org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:62)
    at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51)
    at jdk.internal.reflect.GeneratedMethodAccessor168.invoke(Unknown Source)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@10.0.2/DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(java.base@10.0.2/Method.java:564)
    at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
    at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
    at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
    at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
    at com.sun.proxy.$Proxy2.processTestClass(Unknown Source)
    at org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:118)
    at jdk.internal.reflect.GeneratedMethodAccessor167.invoke(Unknown Source)
    at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@10.0.2/DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(java.base@10.0.2/Method.java:564)
    at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
    at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
    at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:182)
    at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:164)
    at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:412)
    at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64)
    at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(java.base@10.0.2/ThreadPoolExecutor.java:1135)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(java.base@10.0.2/ThreadPoolExecutor.java:635)
    at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56)
    at java.lang.Thread.run(java.base@10.0.2/Thread.java:844)

Comment From: jzheaux

This was resolved in RSocket