[jira] [Created] (YARN-4350) TestDistributedShell fails

["Sangjin Lee (JIRA)" <ji...@apache.org>]

Sangjin Lee created YARN-4350:
---------------------------------

             Summary: TestDistributedShell fails
                 Key: YARN-4350
                 URL: https://issues.apache.org/jira/browse/YARN-4350
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: timelineserver
    Affects Versions: YARN-2928
            Reporter: Sangjin Lee


Currently TestDistributedShell does not pass on the feature-YARN-2928 branch. There seem to be 2 distinct issues.

(1) testDSShellWithoutDomainV2* tests fail sporadically
These test fail more often than not if tested by themselves:
{noformat}
testDSShellWithoutDomainV2DefaultFlow(org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell)  Time elapsed: 30.998 sec  <<< FAILURE!
java.lang.AssertionError: Application created event should be published atleast once expected:<1> but was:<0>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:118)
	at org.junit.Assert.assertEquals(Assert.java:555)
	at org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell.checkTimelineV2(TestDistributedShell.java:451)
	at org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell.testDSShell(TestDistributedShell.java:326)
	at org.apache.hadoop.yarn.applications.distributedshell.TestDistributedShell.testDSShellWithoutDomainV2DefaultFlow(TestDistributedShell.java:207)
{noformat}

They start happening after YARN-4129. I suspect this might have to do with some timing issue.

(2) the whole test times out
If you run the whole TestDistributedShell test, it times out without fail. This may or may not have to do with the port change introduced by YARN-2859 (just a hunch).



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