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https://issues.apache.org/jira/browse/YARN-1906?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13962175#comment-13962175
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Jonathan Eagles commented on YARN-1906:
---------------------------------------
Mit, you might consider using waitForState instead of a raw sleep. This will
protected us in the case of a missed race condition, though perhaps will result
in more sleep time overall.
> TestRMRestart#testQueueMetricsOnRMRestart fails intermittently on trunk and
> branch2
> -----------------------------------------------------------------------------------
>
> Key: YARN-1906
> URL: https://issues.apache.org/jira/browse/YARN-1906
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Mit Desai
> Assignee: Mit Desai
> Fix For: 3.0.0, 2.5.0
>
> Attachments: YARN-1906.patch
>
>
> Here is the output of the format
> {noformat}
> testQueueMetricsOnRMRestart(org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart)
> Time elapsed: 9.757 sec <<< FAILURE!
> java.lang.AssertionError: expected:<2> but was:<1>
> at org.junit.Assert.fail(Assert.java:93)
> at org.junit.Assert.failNotEquals(Assert.java:647)
> at org.junit.Assert.assertEquals(Assert.java:128)
> at org.junit.Assert.assertEquals(Assert.java:472)
> at org.junit.Assert.assertEquals(Assert.java:456)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.assertQueueMetrics(TestRMRestart.java:1735)
> at
> org.apache.hadoop.yarn.server.resourcemanager.TestRMRestart.testQueueMetricsOnRMRestart(TestRMRestart.java:1706)
> {noformat}
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