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Posted to mapreduce-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2010/11/11 01:45:18 UTC

[jira] Updated: (MAPREDUCE-714) JobConf.findContainingJar unescapes unnecessarily on Linux

     [ https://issues.apache.org/jira/browse/MAPREDUCE-714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated MAPREDUCE-714:
----------------------------------

    Attachment: mapreduce-714.txt

Here's a patch including proper unit test.

> JobConf.findContainingJar unescapes unnecessarily on Linux
> ----------------------------------------------------------
>
>                 Key: MAPREDUCE-714
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-714
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Todd Lipcon
>         Attachments: mapreduce-714.txt
>
>
> In JobConf.findContainingJar, the path name is decoded using URLDecoder.decode(...). This was done by Doug in r381794 (commit msg "Un-escape containing jar's path, which is URL-encoded.  This fixes things primarily on Windows, where paths are likely to contain spaces.") Unfortunately, jar paths do not appear to be URL encoded on Linux. If you try to use "hadoop jar" on a jar with a "+" in it, this function decodes it to a space and then the job cannot be submitted.

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