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https://issues.apache.org/jira/browse/HADOOP-8257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon resolved HADOOP-8257.
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Resolution: Fixed
Fix Version/s: Auto Failover (HDFS-3042)
Hadoop Flags: Reviewed
> Auto-HA: TestZKFailoverControllerStress occasionally fails with Mockito error
> -----------------------------------------------------------------------------
>
> Key: HADOOP-8257
> URL: https://issues.apache.org/jira/browse/HADOOP-8257
> Project: Hadoop Common
> Issue Type: Bug
> Components: auto-failover, test
> Affects Versions: Auto Failover (HDFS-3042)
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Trivial
> Fix For: Auto Failover (HDFS-3042)
>
> Attachments: hadoop-8257.txt
>
>
> Once in a while I've seen the following in TestZKFailoverControllerStress:
> Unfinished stubbing detected here: -> at
> org.apache.hadoop.ha.TestZKFailoverControllerStress.testRandomHealthAndDisconnects(TestZKFailoverControllerStress.java:118)
> E.g. thenReturn() may be missing....
> This is because we set up the mock answers _after_ starting the ZKFCs. So if
> the ZKFC calls the mock object while it's in the middle of the setup, this
> exception occurs.
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