[jira] [Commented] (YARN-9491) TestApplicationMasterServiceFair>ApplicationMasterServiceTestBase.testUpdateTrackingUrl fails intermittent

["Prabhu Joseph (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-9491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16824051#comment-16824051 ] 

Prabhu Joseph commented on YARN-9491:
-------------------------------------

This issue happens when the {{RMAppImpl#getOriginalTrackingUrl}} is called before {{RMAppAttemptEventType.STATUS_UPDATE}} is handled.  The issue reproduced consistently while running in a for loop of 1000 iterations.

{code}
  @Test
  public void iterateTest() throws Exception {
    for (int i=0; i<1000; i++) {
      System.out.println("I="+i);
      setup();
      testUpdateTrackingUrl1();
    }
  }
{code}

Added {{MockRM.drainEvents}} before the validation. The fix works fine when running in for loop.

> TestApplicationMasterServiceFair>ApplicationMasterServiceTestBase.testUpdateTrackingUrl fails intermittent
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-9491
>                 URL: https://issues.apache.org/jira/browse/YARN-9491
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 3.2.0
>            Reporter: Prabhu Joseph
>            Assignee: Prabhu Joseph
>            Priority: Minor
>         Attachments: YARN-9491-001.patch
>
>
> TestApplicationMasterServiceFair>ApplicationMasterServiceTestBase.testUpdateTrackingUrl fails intermittent.
> {code}
> Error Message
> expected:<[hadoop.apache.org]> but was:<[N/A]>
> Stacktrace
> org.junit.ComparisonFailure: expected:<[hadoop.apache.org]> but was:<[N/A]>
> 	at org.junit.Assert.assertEquals(Assert.java:115)
> 	at org.junit.Assert.assertEquals(Assert.java:144)
> 	at org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterServiceTestBase.testUpdateTrackingUrl(ApplicationMasterServiceTestBase.java:467)
> 	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:498)
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> 	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
> 	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 	at java.lang.Thread.run(Thread.java:748)
> {code}



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