[infinispan-issues] [JBoss JIRA] (ISPN-2714) org.infinispan.distexec.mapreduce.TopologyAwareTwoNodesMapReduceTest.testInvokeMapperCancellation test fails randomly

[Anna Manukyan (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12749810#comment-12749810 ] 

Anna Manukyan commented on ISPN-2714:
-------------------------------------

Seems that the issue was just test thing - timing issue. The cancellation of the map reduce task was done with separate thread which probably was getting the priority to work before map reduce task execution start which was causing no task cancellation.
                
> org.infinispan.distexec.mapreduce.TopologyAwareTwoNodesMapReduceTest.testInvokeMapperCancellation test fails randomly
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: ISPN-2714
>                 URL: https://issues.jboss.org/browse/ISPN-2714
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Distributed Execution and Map/Reduce
>    Affects Versions: 5.2.0.CR1
>            Reporter: Anna Manukyan
>            Assignee: Anna Manukyan
>              Labels: testsuite_stability
>
> The test org.infinispan.distexec.mapreduce.TopologyAwareTwoNodesMapReduceTest.testInvokeMapperCancellation fails randomly on all environments.
> The error log is:
> {code}
> Error Message
>  Expected exception java.util.concurrent.CancellationException but got java.lang.AssertionError: Mapper not cancelled, root cause org.jgroups.TimeoutException: timeout sending message to TopologyAwareTwoNodesMapReduceTest-NodeB-22523(test2)
> Stacktrace
> org.testng.TestException: 
> Expected exception java.util.concurrent.CancellationException but got java.lang.AssertionError: Mapper not cancelled, root cause org.jgroups.TimeoutException: timeout sending message to TopologyAwareTwoNodesMapReduceTest-NodeB-22523(test2)
> 	at org.testng.internal.Invoker.handleInvocationResults(Invoker.java:1503)
> 	at org.testng.internal.Invoker.invokeMethod(Invoker.java:764)
> 	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:907)
> 	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1237)
> 	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
> 	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
> 	at org.testng.TestRunner.privateRun(TestRunner.java:767)
> 	at org.testng.TestRunner.run(TestRunner.java:617)
> 	at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
> 	at org.testng.SuiteRunner.access$000(SuiteRunner.java:37)
> 	at org.testng.SuiteRunner$SuiteWorker.run(SuiteRunner.java:368)
> 	at org.testng.internal.thread.ThreadUtil$2.call(ThreadUtil.java:64)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 	at java.lang.Thread.run(Thread.java:722)
> Caused by: java.lang.AssertionError: Mapper not cancelled, root cause org.jgroups.TimeoutException: timeout sending message to TopologyAwareTwoNodesMapReduceTest-NodeB-22523(test2)
> 	at org.infinispan.distexec.mapreduce.SimpleTwoNodesMapReduceTest.testInvokeMapperCancellation(SimpleTwoNodesMapReduceTest.java:106)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:601)
> 	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
> 	at org.testng.internal.Invoker.invokeMethod(Invoker.java:715)
> 	... 15 more
> {code}

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