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https://issues.apache.org/jira/browse/OOZIE-835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273519#comment-13273519
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[email protected] commented on OOZIE-835:
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trunk/core/src/test/java/org/apache/oozie/test/XTestCase.java
<https://reviews.apache.org/r/5093/#comment17145>

    can we create a variable for 10 second ? use variable in place of 
hard-coded number here.
    


- Mohammad


On 2012-05-11 13:43:19, Alejandro Abdelnur wrote:
bq.  
bq.  -----------------------------------------------------------
bq.  This is an automatically generated e-mail. To reply, visit:
bq.  https://reviews.apache.org/r/5093/
bq.  -----------------------------------------------------------
bq.  
bq.  (Updated 2012-05-11 13:43:19)
bq.  
bq.  
bq.  Review request for oozie.
bq.  
bq.  
bq.  Summary
bq.  -------
bq.  
bq.  Instead using a shutdownhook, the patch uses a monitor thread that detects 
that no testcase is running for X seconds and then triggers a shutdown of the 
minicluster
bq.  
bq.  
bq.  This addresses bug OOZIE-835.
bq.      https://issues.apache.org/jira/browse/OOZIE-835
bq.  
bq.  
bq.  Diffs
bq.  -----
bq.  
bq.    trunk/core/src/test/java/org/apache/oozie/test/XTestCase.java 1337157 
bq.  
bq.  Diff: https://reviews.apache.org/r/5093/diff
bq.  
bq.  
bq.  Testing
bq.  -------
bq.  
bq.  run all testcases with hadoop 1 and hadoop 2 and test JVM shutdown properly
bq.  
bq.  
bq.  Thanks,
bq.  
bq.  Alejandro
bq.  
bq.


                
> 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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