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https://issues.apache.org/jira/browse/HBASE-14421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14742358#comment-14742358
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stack commented on HBASE-14421:
-------------------------------

Follow-up; fix a random failure HBASE-14421 skirts

> TestFastFail* are flakey
> ------------------------
>
>                 Key: HBASE-14421
>                 URL: https://issues.apache.org/jira/browse/HBASE-14421
>             Project: HBase
>          Issue Type: Sub-task
>          Components: test
>            Reporter: stack
>            Assignee: stack
>         Attachments: 14421.txt
>
>
> Running master test suite on a cluster, too often rig stops with a 
> TestFastFail#testFastFail failure with 'There *should* be at least one 
> Premptive exception...' (emphasis mine). 'should' seems too weak a basis for 
> an assertion. Disable (there are plenty of other assertions on how 
> TestFastFail runs at end of test for it still to be valuable). I also see 
> TestFastFailWithoutTestUtil failing in testPreemptiveFastFailException. Here 
> there is an issue with the latching that needs looking into. For now, rather 
> than fail the test, just dump out a thread dump. Someone can spend time on it 
> later. Meantime, stop it preventing test rig running.
> Also add in a timeout on the TestHCM class... I see this one stuck hanging 
> out ... as a zombie inside a test. A timeout might convert this to a test 
> fail. Trying.



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