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https://issues.apache.org/jira/browse/MAPREDUCE-5075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13603903#comment-13603903
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Chris Nauroth commented on MAPREDUCE-5075:
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I discovered this while testing on Windows, where file locking is enforced more
strictly. The DistCp tests would fail sporadically due to not being able to
delete the temp files. I have a patch in progress.
> DistCp leaks input file handles
> -------------------------------
>
> Key: MAPREDUCE-5075
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5075
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: distcp
> Affects Versions: 3.0.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
>
> DistCp wraps the {{InputStream}} for each input file it reads in an instance
> of {{ThrottledInputStream}}. This class does not close the wrapped
> {{InputStream}}. {{RetriableFileCopyCommand}} guarantees that the
> {{ThrottledInputStream}} gets closed, but without closing the underlying
> wrapped stream, it still leaks a file handle.
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