[ 
https://issues.apache.org/jira/browse/GEODE-1978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15713575#comment-15713575
 ] 

Dan Smith commented on GEODE-1978:
----------------------------------

This  test is still failing. It's easily reproducible if you add a sleep before 
the last validation line. 

{code}
    Thread.sleep(10000);
    vm4.invoke(() -> 
WANTestBase.verifyRegionQueueNotEmptyForConcurrentSender("ln"));
{code}

I think what's happening in is that even though [~nnag] added a sleep to 
prevent the queue from being empty when the region is destroyed on the remote 
side, *after* the region is destroyed, the dispatcher just gets a bunch of 
exceptions discards the events. So the queue will still drain down to zero, and 
the race still exists in this test.


> CI Failure: 
> ConcurrentWANPropagation_1_DUnitTest.testReplicatedSerialPropagationWithRemoteRegionDestroy
> -------------------------------------------------------------------------------------------------------
>
>                 Key: GEODE-1978
>                 URL: https://issues.apache.org/jira/browse/GEODE-1978
>             Project: Geode
>          Issue Type: Bug
>          Components: wan
>            Reporter: Barry Oglesby
>            Assignee: Dan Smith
>             Fix For: 1.0.0-incubating
>
>
> Geode_develop_DistributedTests
> Private Build #4141
> Revision: 56a35e2b60c9a039dda06e5af7c0af431e8d3096
> org.apache.geode.test.dunit.RMIException: While invoking 
> org.apache.geode.internal.cache.wan.concurrent.ConcurrentWANPropagation_1_DUnitTest$$Lambda$1090/196880227.run
>  in VM 4 running on Host cc2-rh6.gemstone.com with 8 VMs
>       at org.apache.geode.test.dunit.VM.invoke(VM.java:389)
>       at org.apache.geode.test.dunit.VM.invoke(VM.java:355)
>       at org.apache.geode.test.dunit.VM.invoke(VM.java:293)
>       at 
> org.apache.geode.internal.cache.wan.concurrent.ConcurrentWANPropagation_1_DUnitTest.testReplicatedSerialPropagationWithRemoteRegionDestroy(ConcurrentWANPropagation_1_DUnitTest.java:382)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       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.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
>       at 
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
>       at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
>       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$2.evaluate(ParentRunner.java:268)
>       at 
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
>       at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
>       at 
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.runTestClass(JUnitTestClassExecuter.java:114)
>       at 
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.execute(JUnitTestClassExecuter.java:57)
>       at 
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassProcessor.processTestClass(JUnitTestClassProcessor.java:66)
>       at 
> org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
>       at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
>       at 
> org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:32)
>       at 
> org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
>       at com.sun.proxy.$Proxy2.processTestClass(Unknown Source)
>       at 
> org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:109)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
>       at 
> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
>       at 
> org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:377)
>       at 
> org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)
>       at 
> org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>       at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.AssertionError
>       at org.junit.Assert.fail(Assert.java:86)
>       at org.junit.Assert.assertTrue(Assert.java:41)
>       at org.junit.Assert.assertTrue(Assert.java:52)
>       at 
> org.apache.geode.internal.cache.wan.WANTestBase.verifyRegionQueueNotEmptyForConcurrentSender(WANTestBase.java:3380)
>       at 
> org.apache.geode.internal.cache.wan.concurrent.ConcurrentWANPropagation_1_DUnitTest.lambda$testReplicatedSerialPropagationWithRemoteRegionDestroy$bb17a952$11(ConcurrentWANPropagation_1_DUnitTest.java:382)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at hydra.MethExecutor.executeObject(MethExecutor.java:268)
>       at 
> org.apache.geode.test.dunit.standalone.RemoteDUnitVM.executeMethodOnObject(RemoteDUnitVM.java:82)
>       at sun.reflect.GeneratedMethodAccessor20.invoke(Unknown Source)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:323)
>       at sun.rmi.transport.Transport$1.run(Transport.java:200)
>       at sun.rmi.transport.Transport$1.run(Transport.java:197)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
>       at 
> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$95(TCPTransport.java:683)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at 
> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
>       ... 3 more



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