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https://issues.apache.org/jira/browse/MAPREDUCE-2584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102137#comment-13102137
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Hadoop QA commented on MAPREDUCE-2584:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12493922/0.20-security-MAPREDUCE-2584.r5.diff
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
-1 patch. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/688//console
This message is automatically generated.
> Check for serializers early, and give out more information regarding missing
> serializers
> ----------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2584
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2584
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: task
> Affects Versions: 0.20.2
> Reporter: Harsh J
> Assignee: Harsh J
> Labels: serializers, tasks
> Fix For: 0.23.0
>
> Attachments: 0.20-security-MAPREDUCE-2584.r5.diff,
> MAPREDUCE-2584.r2.diff, MAPREDUCE-2584.r3.diff, MAPREDUCE-2584.r4.diff,
> MAPREDUCE-2584.r5.diff
>
>
> As discussed on HADOOP-7328, MapReduce can handle serializers in a much
> better way in case of bad configuration, improper imports (Some odd Text
> class instead of the Writable Text set as key), etc..
> This issue covers the MapReduce parts of the improvements (made to IFile,
> MapOutputBuffer, etc. and possible early-check of serializer availability
> pre-submit) that provide more information than just an NPE as is the current
> case.
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