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https://issues.apache.org/jira/browse/MAPREDUCE-963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12753256#action_12753256
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Chris Douglas commented on MAPREDUCE-963:
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Sorry to be late to this issue, but mapred.FileAlreadyExistsException should
extend fs.FileAlreadyExistsException, so 0.21 FAEExceptions won't pass through
catches written against earlier versions.
> mapred's FileAlreadyExistsException should be deprecated in favor of
> hadoop-common's one.
> -----------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-963
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-963
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.21.0
> Reporter: Boris Shkolnik
> Assignee: Boris Shkolnik
> Fix For: 0.21.0
>
> Attachments: MAPREDUCE-963.patch, MAPREDUCE-963.patch
>
>
> We should use org.apache.hadoop.fs.FileAlreadyExistsException instead of
> org.apache.hadoop.mapred.FileAlreadyExistsException.
> Mapred's one should be deprecated.
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