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Posted to mapreduce-issues@hadoop.apache.org by "Harsh J (JIRA)" <ji...@apache.org> on 2011/06/12 00:18:00 UTC
[jira] [Updated] (MAPREDUCE-2584) Check for serializers early, and
give out more information regarding missing serializers
[ https://issues.apache.org/jira/browse/MAPREDUCE-2584?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J updated MAPREDUCE-2584:
-------------------------------
Fix Version/s: 0.23.0
Status: Patch Available (was: Open)
Please review patch at https://reviews.apache.org/r/884/
> 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
>
>
> 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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