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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1975) gridmix shows unnecessary InterruptedException
Date Fri, 13 Aug 2010 09:00:17 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12898137#action_12898137
] 

Ravi Gummadi commented on MAPREDUCE-1975:
-----------------------------------------

Unit tests passed on my local machine.

ant test-patch gave:

     [exec] -1 overall.
     [exec]
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     -1 tests included.  The patch doesn't appear to include any new or modified
tests.
     [exec]                         Please justify why no new tests are needed for this patch.
     [exec]                         Also please list what manual steps were performed to verify
this patch.
     [exec]
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec]
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec]
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.



As I don't see an easy way to add a unit test for this, I did basic manual testing of the
patch on a single node cluster and things seem to be fine.

> gridmix shows unnecessary InterruptedException
> ----------------------------------------------
>
>                 Key: MAPREDUCE-1975
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1975
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/gridmix
>            Reporter: Ravi Gummadi
>            Assignee: Ravi Gummadi
>             Fix For: 0.22.0
>
>         Attachments: 1975.patch
>
>
> The following InterruptedException is seen when gridmix is run and it ran successfully:
> 10/06/24 20:43:03 INFO gridmix.ReplayJobFactory: START REPLAY @ 11331037109
> 10/06/24 20:43:03 ERROR gridmix.Statistics: Statistics interrupt while waiting for polling
null
> java.lang.InterruptedException
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObjec\
> t.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:1899)
>         at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObjec\
> t.await(AbstractQueuedSynchronizer.java:2066)
>         at org.apache.hadoop.mapred.gridmix.Statistics$StatCollector.run(Statis\
> tics.java:190)
> 10/06/24 20:43:03 INFO gridmix.Gridmix: Exiting...

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