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https://issues.apache.org/jira/browse/HADOOP-8904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13478721#comment-13478721
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Daniel Dai commented on HADOOP-8904:
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[~tlipcon] yes, it is for all branches, not just branch-1-win. The patch itself
is for trunk, may need rebase to other branches
[~sureshms] I updated the patch for the format issues
> Hadoop does not close output file / does not call Mapper.cleanup if
> exception in map
> -------------------------------------------------------------------------------------
>
> Key: HADOOP-8904
> URL: https://issues.apache.org/jira/browse/HADOOP-8904
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 1-win
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Attachments: HADOOP-23-2.patch, HADOOP-8904-1.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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