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https://issues.apache.org/jira/browse/MAPREDUCE-4423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419844#comment-13419844
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Hudson commented on MAPREDUCE-4423:
-----------------------------------
Integrated in Hadoop-Mapreduce-trunk #1143 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1143/])
svn merge --change -1363454 for reverting MAPREDUCE-4423 (Revision 1363935)
Result = FAILURE
tgraves :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1363935
Files :
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/Fetcher.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/task/reduce/TestFetcher.java
> Potential infinite fetching of map output
> -----------------------------------------
>
> Key: MAPREDUCE-4423
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4423
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.3, 2.1.0-alpha, 3.0.0
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Priority: Critical
> Fix For: 0.23.3, 3.0.0, 2.2.0-alpha
>
> Attachments: MR-4423.txt, MR-4423.txt
>
>
> Inside Fetcher.java there are a few cases where an error can happen and the
> corresponding map task is not marked as a fetch failure. One of these is if
> the Shuffle server returns a malformed result.
> MAPREDUCE-3992 makes this case a lot less common, but it is still possible.
> IF the shuffle handler always returns a malformed result, but a OK response
> the Fetcher will never stop trying to fetch those results.
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