[jira] Commented: (MAPREDUCE-2052) Fix URL encoding of job history logfiles

["Tom White (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12978139#action_12978139 ] 

Tom White commented on MAPREDUCE-2052:
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I think the problem (on 0.20.0) is that characters in the file path before the final name are not URL encoded. See JobHistory.JobInfo.encodeJobHistoryFilePath().

The fix in https://issues.apache.org/jira/browse/MAPREDUCE-1378 for 0.21.0 onwards (where the code is radically different due to MAPREDUCE-157) is not comprehensive, as noted there. Also, as [noted|https://issues.apache.org/jira/browse/MAPREDUCE-1378?focusedCommentId=12800619&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12800619] by Amar there, the fix is to introduce a helper function like JobHistory.JobInfo.encodeJobHistoryFilePath()  that encodes the whole path, not just the file name.

> Fix URL encoding of job history logfiles
> ----------------------------------------
>
>                 Key: MAPREDUCE-2052
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2052
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.1, 0.20.2
>            Reporter: Patrick Angeles
>         Attachments: mapred-2052-0.20-patch.txt
>
>
> MAPREDUCE-1378 attempts to address this issue but sometimes results in doubly-URL-encoded logFile paths.

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