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Date: Mon, 22 Apr 2013 01:36:14 +0000 (UTC)
From: "Arun C Murthy (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Message-ID: <JIRA.12610942.1349768736057.199875.1366594574093@arcas>
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Subject: [jira] [Updated] (MAPREDUCE-4737)  Hadoop does not close output
 file / does not call Mapper.cleanup if exception in map
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     [ https://issues.apache.org/jira/browse/MAPREDUCE-4737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy updated MAPREDUCE-4737:
-------------------------------------

    Attachment: MAPREDUCE-4737.patch

Updated patch to fix exception handling for old api too, in addition to [~daijy]'s fix.

A unit test is pending.
                
>  Hadoop does not close output file / does not call Mapper.cleanup if exception in map
> -------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4737
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4737
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 1-win
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>         Attachments: HADOOP-23-2.patch, HADOOP-8904-1.patch, MAPREDUCE-4737.patch
>
>
> Find this in Pig unit test TestStore under Windows. There are dangling files because map does not close the file when exception happens in map(). In Windows, Hadoop will not remove a file if it is not closed. This happens in reduce() as well.

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