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https://issues.apache.org/jira/browse/MAPREDUCE-4423?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13418524#comment-13418524
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Hadoop QA commented on MAPREDUCE-4423:
--------------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12537218/MR-4423.txt
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 1 new or modified test
files.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 eclipse:eclipse. The patch built with eclipse:eclipse.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2627//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2627//console
This message is automatically generated.
> 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
> 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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