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Posted to dev@oozie.apache.org by "Alejandro Abdelnur (JIRA)" <ji...@apache.org> on 2012/05/11 15:42:50 UTC

[jira] [Commented] (OOZIE-835) XTestCase Minicluster hangs when shutting down with an exception using Hadoop 2

    [ https://issues.apache.org/jira/browse/OOZIE-835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273257#comment-13273257 ] 

Alejandro Abdelnur commented on OOZIE-835:
------------------------------------------

Instead using a shutdownhook, we should use a monitor thread that detects that no testcase is running for X seconds and then triggers a shutdown of the minicluster 
                
> XTestCase Minicluster hangs when shutting down with an exception using Hadoop 2
> -------------------------------------------------------------------------------
>
>                 Key: OOZIE-835
>                 URL: https://issues.apache.org/jira/browse/OOZIE-835
>             Project: Oozie
>          Issue Type: Bug
>          Components: tests
>    Affects Versions: trunk
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>            Priority: Critical
>             Fix For: trunk
>
>
> currently XTestCase uses a JVM shutdownHook to stop the minicluster, the problem is that minicluster uses shutdown hooks as well and a race condition gets things in hung state.

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