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Posted to mapreduce-issues@hadoop.apache.org by "Akira AJISAKA (JIRA)" <ji...@apache.org> on 2015/07/10 07:08:04 UTC
[jira] [Commented] (MAPREDUCE-6421) Fix Findbugs pre-patch warning
in
org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.reduceNodeLabelExpression
[ https://issues.apache.org/jira/browse/MAPREDUCE-6421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14621730#comment-14621730 ]
Akira AJISAKA commented on MAPREDUCE-6421:
------------------------------------------
A quick fix is to synchronize the following code:
{code}
reduceNodeLabelExpression = conf.get(MRJobConfig.REDUCE_NODE_LABEL_EXP);
{code}
What do you think [~rchiang] and [~brahmareddy]?
> Fix Findbugs pre-patch warning in org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.reduceNodeLabelExpression
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6421
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6421
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.8.0
> Reporter: Ray Chiang
> Assignee: Brahma Reddy Battula
>
> The actual error message is:
> Inconsistent synchronization of org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator.reduceNodeLabelExpression; locked 66% of time
> The full URL for the findbugs is at:
> https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5858/artifact/patchprocess/trunkFindbugsWarningshadoop-mapreduce-client-app.html
> I haven't looked to see if this message is in error or if findbugs is correct.
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