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https://issues.apache.org/jira/browse/HADOOP-1795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Frédéric Bertin updated HADOOP-1795:
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Attachment: HADOOP-1795.patch
here it is (fix + test)
> Task.moveTaskOutputs is escaping special characters in output filenames
> -----------------------------------------------------------------------
>
> Key: HADOOP-1795
> URL: https://issues.apache.org/jira/browse/HADOOP-1795
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.14.0
> Reporter: Frédéric Bertin
> Priority: Critical
> Attachments: HADOOP-1795.patch
>
>
> after a migration from 0.10.1 to 0.14.0, jobs can't generate output files
> with special characters in their name, just like '[' or ']' for example,
> because they are escaped during the {{Task.moveTaskOutputs}} process.
> For example, if you try to generate an output file named {{/foo/bar[0]}}, it
> ends up being named {{/foo/bar%5B0%5B}}.
> The culprit is {{Task.getFinalPath()}}, when it does
> {{relativePath.toString()}}, where I think it should do
> {{relativePath.getPath()}}.
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