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https://issues.apache.org/jira/browse/HADOOP-10668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14286167#comment-14286167
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Chris Nauroth commented on HADOOP-10668:
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Ming, thank you for the addendum patch. I committed it to trunk and branch-2.
Looking back at the Jenkins output, it appears that there was some error while
trying to identify the subset of test modules to execute, so in reality it
didn't run any tests. I don't know if this is happening often, so we'll have
to watch out for it. The tell-tale sign is the text "patch passed unit tests
in", followed by a blank list instead of the sub-modules.
> TestZKFailoverControllerStress#testExpireBackAndForth occasionally fails
> ------------------------------------------------------------------------
>
> Key: HADOOP-10668
> URL: https://issues.apache.org/jira/browse/HADOOP-10668
> Project: Hadoop Common
> Issue Type: Test
> Components: test
> Reporter: Ted Yu
> Assignee: Ming Ma
> Labels: test
> Fix For: 2.7.0
>
> Attachments: HADOOP-10668-2.patch, HADOOP-10668.patch
>
>
> From
> https://builds.apache.org/job/PreCommit-HADOOP-Build/4018//testReport/org.apache.hadoop.ha/TestZKFailoverControllerStress/testExpireBackAndForth/
> :
> {code}
> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode = NoNode
> at org.apache.zookeeper.server.DataTree.getData(DataTree.java:648)
> at org.apache.zookeeper.server.ZKDatabase.getData(ZKDatabase.java:371)
> at
> org.apache.hadoop.ha.MiniZKFCCluster.expireActiveLockHolder(MiniZKFCCluster.java:199)
> at
> org.apache.hadoop.ha.MiniZKFCCluster.expireAndVerifyFailover(MiniZKFCCluster.java:234)
> at
> org.apache.hadoop.ha.TestZKFailoverControllerStress.testExpireBackAndForth(TestZKFailoverControllerStress.java:84)
> {code}
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