[ 
https://issues.apache.org/jira/browse/GEODE-911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15195845#comment-15195845
 ] 

Jason Huynh commented on GEODE-911:
-----------------------------------

I can get this to reproduce
{noformat}
 com.gemstone.gemfire.test.dunit.RMIException: While invoking 
com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderOperationsDUnitTest$$Lambda$27/422330142.run
 in VM 2 running on Host 192.168.1.84 with 8 VMs
        at com.gemstone.gemfire.test.dunit.VM.invoke(VM.java:378)
        at com.gemstone.gemfire.test.dunit.VM.invoke(VM.java:321)
        at com.gemstone.gemfire.test.dunit.VM.invoke(VM.java:272)
        at 
com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderOperationsDUnitTest.test_Bug44153_StopOneSender_StartAnotherSender_CheckQueueSize(SerialGatewaySenderOperationsDUnitTest.java:441)
        at 
com.gemstone.gemfire.internal.cache.wan.concurrent.ConcurrentSerialGatewaySenderOperationsOffHeapDUnitTest.testMany(ConcurrentSerialGatewaySenderOperationsOffHeapDUnitTest.java:37)
        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:483)
        at junit.framework.TestCase.runTest(TestCase.java:176)
        at junit.framework.TestCase.runBare(TestCase.java:141)
        at junit.framework.TestResult$1.protect(TestResult.java:122)
        at junit.framework.TestResult.runProtected(TestResult.java:142)
        at junit.framework.TestResult.run(TestResult.java:125)
        at junit.framework.TestCase.run(TestCase.java:129)
        at junit.framework.TestSuite.runTest(TestSuite.java:252)
        at junit.framework.TestSuite.run(TestSuite.java:247)
        at 
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
        at 
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
        at 
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
        at 
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Caused by: java.lang.AssertionError: Event never occurred after 240000 ms: 
Expected region entries: 110 but actual entries: 108 present region keyset [40, 
95, 22, 67, 49, 12, 31, 20, 75, 27, 55, 96, 103, 89, 68, 62, 34, 19, 83, 13, 
41, 48, 5, 28, 69, 33, 97, 18, 88, 61, 74, 42, 25, 47, 56, 84, 70, 7, 91, 46, 
102, 81, 0, 98, 101, 73, 108, 53, 90, 99, 36, 26, 8, 45, 63, 109, 100, 17, 35, 
72, 54, 82, 2, 9, 51, 86, 44, 37, 58, 64, 92, 16, 71, 10, 52, 78, 43, 30, 23, 
15, 85, 38, 29, 80, 57, 107, 24, 106, 65, 79, 93, 77, 14, 21, 105, 60, 3, 94, 
66, 39, 32, 11, 4, 50, 104, 59, 76, 87]
        at org.junit.Assert.fail(Assert.java:88)
        at com.gemstone.gemfire.test.dunit.Wait.waitForCriterion(Wait.java:119)
        at 
com.gemstone.gemfire.internal.cache.wan.WANTestBase.validateRegionSize(WANTestBase.java:3695)
        at 
com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderOperationsDUnitTest.lambda$131(SerialGatewaySenderOperationsDUnitTest.java:441)
        at 
com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderOperationsDUnitTest$$Lambda$6/684900051.run(Unknown
 Source)
        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:483)
        at hydra.MethExecutor.executeObject(MethExecutor.java:268)
        at 
com.gemstone.gemfire.test.dunit.standalone.RemoteDUnitVM.executeMethodOnObject(RemoteDUnitVM.java:84)
        at sun.reflect.GeneratedMethodAccessor135.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:483)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:323)
        at sun.rmi.transport.Transport$1.run(Transport.java:178)
        at sun.rmi.transport.Transport$1.run(Transport.java:175)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:174)
        at 
sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:557)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:812)
        at 
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:671)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
{noformat}

However in the logs I see:
[fatal 2016/03/15 11:17:07.962 PDT <AckReaderThread for : ln> 
tid=AckReaderThread for : lnid] Uncaught exception in thread 
Thread[AckReaderThread for : ln,5,Event Processor for GatewaySender_ln.2]
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:714)
        at 
com.gemstone.gemfire.SystemFailure.startWatchDog(SystemFailure.java:387)
        at 
com.gemstone.gemfire.SystemFailure.notifyWatchDog(SystemFailure.java:955)
        at 
com.gemstone.gemfire.SystemFailure.setFailure(SystemFailure.java:1014)
        at 
com.gemstone.gemfire.SystemFailure.initiateFailure(SystemFailure.java:988)
        at 
com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderEventProcessor.run(SerialGatewaySenderEventProcessor.java:236)

This could be due to the way I am running the tests (looping until failure) or 
perhaps this is a true reproduction where the node runs out of memory while the 
receiver waits for a lingering event.


> CI failure: 
> ConcurrentSerialGatewaySenderOperationsOffHeapDUnitTest.test_Bug44153_StopOneSender_StartAnotherSender_CheckQueueSize
> ---------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: GEODE-911
>                 URL: https://issues.apache.org/jira/browse/GEODE-911
>             Project: Geode
>          Issue Type: Bug
>            Reporter: Sai Boorlagadda
>            Assignee: Dan Smith
>              Labels: CI
>
> {noformat}
> Error Message
> com.gemstone.gemfire.test.dunit.RMIException: While invoking 
> com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderOperationsDUnitTest$$Lambda$92/1788087112.run
>  in VM 2 running on Host buildtest.gemstone.com with 8 VMs
> Stacktrace
> com.gemstone.gemfire.test.dunit.RMIException: While invoking 
> com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderOperationsDUnitTest$$Lambda$92/1788087112.run
>  in VM 2 running on Host buildtest.gemstone.com with 8 VMs
>       at com.gemstone.gemfire.test.dunit.VM.invoke(VM.java:370)
>       at com.gemstone.gemfire.test.dunit.VM.invoke(VM.java:313)
>       at com.gemstone.gemfire.test.dunit.VM.invoke(VM.java:267)
>       at 
> com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderOperationsDUnitTest.test_Bug44153_StopOneSender_StartAnotherSender_CheckQueueSize(SerialGatewaySenderOperationsDUnitTest.java:434)
>       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 junit.framework.TestCase.runTest(TestCase.java:176)
>       at junit.framework.TestCase.runBare(TestCase.java:141)
>       at junit.framework.TestResult$1.protect(TestResult.java:122)
>       at junit.framework.TestResult.runProtected(TestResult.java:142)
>       at junit.framework.TestResult.run(TestResult.java:125)
>       at junit.framework.TestCase.run(TestCase.java:129)
>       at junit.framework.TestSuite.runTest(TestSuite.java:252)
>       at junit.framework.TestSuite.run(TestSuite.java:247)
>       at 
> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:86)
>       at 
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.runTestClass(JUnitTestClassExecuter.java:105)
>       at 
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecuter.execute(JUnitTestClassExecuter.java:56)
>       at 
> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassProcessor.processTestClass(JUnitTestClassProcessor.java:64)
>       at 
> org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:50)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
>       at 
> org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
>       at 
> org.gradle.messaging.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:32)
>       at 
> org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
>       at com.sun.proxy.$Proxy2.processTestClass(Unknown Source)
>       at 
> org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:106)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at 
> org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35)
>       at 
> org.gradle.messaging.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
>       at 
> org.gradle.messaging.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:360)
>       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: junit.framework.AssertionFailedError: Event never occurred after 
> 240000 ms: Expected region entries: 100 but actual entries: 90 present region 
> keyset [40, 95, 67, 49, 31, 96, 20, 75, 103, 89, 68, 55, 62, 34, 19, 83, 13, 
> 41, 48, 69, 33, 28, 97, 18, 25, 88, 61, 74, 56, 84, 70, 91, 81, 98, 46, 102, 
> 101, 73, 108, 53, 90, 99, 36, 26, 45, 35, 63, 72, 54, 109, 82, 100, 51, 86, 
> 44, 58, 64, 92, 16, 71, 10, 78, 43, 30, 23, 15, 38, 85, 29, 80, 107, 24, 106, 
> 65, 79, 93, 77, 14, 21, 105, 60, 94, 66, 11, 39, 50, 104, 59, 76, 87]
>       at junit.framework.Assert.fail(Assert.java:57)
>       at junit.framework.TestCase.fail(TestCase.java:227)
>       at 
> com.gemstone.gemfire.test.dunit.DistributedTestCase.waitForCriterion(DistributedTestCase.java:1135)
>       at 
> com.gemstone.gemfire.internal.cache.wan.WANTestBase.validateRegionSize(WANTestBase.java:3691)
>       at 
> com.gemstone.gemfire.internal.cache.wan.serial.SerialGatewaySenderOperationsDUnitTest.lambda$test_Bug44153_StopOneSender_StartAnotherSender_CheckQueueSize$81c80a4a$15(SerialGatewaySenderOperationsDUnitTest.java:434)
>       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:267)
>       at 
> com.gemstone.gemfire.test.dunit.standalone.RemoteDUnitVM.executeMethodOnObject(RemoteDUnitVM.java:84)
>       at sun.reflect.GeneratedMethodAccessor52.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
> Standard Output
> Previously run tests: [WANManagementDUnitTest, TestRemoteClusterDUnitTest, 
> ClusterConfigurationDUnitTest, UpdateVersionDUnitTest, 
> ConcurrentWANPropogation_2_DUnitTest, 
> ConcurrentParallelGatewaySenderOperation_1_DUnitTest, 
> ConcurrentSerialGatewaySenderOperationsOffHeapDUnitTest]
> {noformat}



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