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https://issues.apache.org/jira/browse/YARN-4566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15171828#comment-15171828
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Takashi Ohnishi commented on YARN-4566:
---------------------------------------
Thank you [~rohithsharma] for reviewing and committing !!
> TestMiniYarnClusterNodeUtilization sometimes fails on trunk
> -----------------------------------------------------------
>
> Key: YARN-4566
> URL: https://issues.apache.org/jira/browse/YARN-4566
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: test
> Reporter: Takashi Ohnishi
> Assignee: Takashi Ohnishi
> Fix For: 2.9.0
>
> Attachments: YARN-4566.1.patch
>
>
> TestMiniYarnClusterNodeUtilization often fails with NPE.
> {code}
> testUpdateNodeUtilization(org.apache.hadoop.yarn.server.TestMiniYarnClusterNodeUtilization)
> Time elapsed: 3.752 sec <<< ERROR!
> java.lang.NullPointerException: null
> at
> org.apache.hadoop.yarn.server.TestMiniYarnClusterNodeUtilization.verifySimulatedUtilization(TestMiniYarnClusterNodeUtilization.java:217)
> at
> org.apache.hadoop.yarn.server.TestMiniYarnClusterNodeUtilization.testUpdateNodeUtilization(TestMiniYarnClusterNodeUtilization.java:116)
> {code}
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