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https://issues.apache.org/jira/browse/HADOOP-4746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12653029#action_12653029
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Doug Cutting commented on HADOOP-4746:
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Might this be done in FileOutputFormat#checkOutputSpecs()? That would better
encapsulate this file-specific operation, and it already throws IOException, so
it wouldn't break compatibility.
> Ideally setInputPath & getInputPath should be methods of JobConf.
No, we'd like to keep all file-specific stuff in FileOutputFormat, since jobs
can take non-file input and output.
> Job output directory should be normalized
> -----------------------------------------
>
> Key: HADOOP-4746
> URL: https://issues.apache.org/jira/browse/HADOOP-4746
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Priority: Blocker
> Fix For: 0.18.3
>
> Attachments: outDir.patch, outDir1.patch, outDir2-br18.patch,
> outDir2.patch
>
>
> JobClient should normalize the output directory by calling
> FileSystem#makeQualified() in order to avoid the problem described in
> HADOOP-4717.
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