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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2015/11/04 01:24:27 UTC

[jira] [Commented] (HBASE-14422) Fix TestFastFailWithoutTestUtil

    [ https://issues.apache.org/jira/browse/HBASE-14422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14988564#comment-14988564 ] 

stack commented on HBASE-14422:
-------------------------------

HBASE-14754 removed this test because a new test started to go all flakey. To fix, will need to revert the remove done at e4bf77e2de54ab6ea17b95dc116af9abf24a332d

> Fix TestFastFailWithoutTestUtil
> -------------------------------
>
>                 Key: HBASE-14422
>                 URL: https://issues.apache.org/jira/browse/HBASE-14422
>             Project: HBase
>          Issue Type: Task
>          Components: test
>            Reporter: stack
>            Priority: Minor
>              Labels: beginner
>
> TestFastFailWithoutTestUtil has a unit test that does testInterceptorIntercept50Times Usually it passes but on occasion, the latching between thread 1 and thread 2 goes awry and the test hangs and the test hangs out. Depends on the hardware but it seems to happen about one in four runs here on an internal rig.
> HBASE-14421 changed the wait-on-latch to timeout and do a thread dump and just let the test keep going.
> This issue is about digging in on figuring why the hang up on latches and then fixing it so the test doesn't have to have the latch timeout. Hopefully the threaddump helps.
> This one could be hard to fix since it not easy to reproduce. Marking it beginner anyways.



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