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https://issues.apache.org/jira/browse/YARN-1947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13970097#comment-13970097
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Jian He commented on YARN-1947:
-------------------------------
It's a timing issue between main assertion thread and the master key rolling
thread.
> TestRMDelegationTokens#testRMDTMasterKeyStateOnRollingMasterKey is failing
> intermittently
> -----------------------------------------------------------------------------------------
>
> Key: YARN-1947
> URL: https://issues.apache.org/jira/browse/YARN-1947
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Jian He
> Assignee: Jian He
>
> java.lang.AssertionError: null
> at org.junit.Assert.fail(Assert.java:92)
> at org.junit.Assert.assertTrue(Assert.java:43)
> at org.junit.Assert.assertTrue(Assert.java:54)
> at
> org.apache.hadoop.yarn.server.resourcemanager.security.TestRMDelegationTokens.testRMDTMasterKeyStateOnRollingMasterKey(TestRMDelegationTokens.java:117)
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