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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3592) org.apache.hadoop.fs.FileUtil.copy() will leak input streams if the destination can't be opened
Date Mon, 22 Sep 2008 15:20:48 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12633339#action_12633339
] 

Hudson commented on HADOOP-3592:
--------------------------------

Integrated in Hadoop-trunk #611 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/611/])

> org.apache.hadoop.fs.FileUtil.copy() will leak input streams if the destination can't
be opened
> -----------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3592
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3592
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.19.0
>            Reporter: Steve Loughran
>            Assignee: Bill de hOra
>            Priority: Minor
>             Fix For: 0.19.0
>
>         Attachments: HADOOP-3592-200807022209.patch, HADOOP-3592.patch, HADOOP-3592.patch,
HADOOP-3592.patch
>
>
> FileUtil.copy()  relies on IOUtils.copyBytes() to close the incoming streams, which it
does. Normally.
> But if dstFS.create() raises any kind of IOException, then the inputstream "in", which
was created in the line above, will never get closed, and hence be leaked.
>       InputStream in = srcFS.open(src);
>       OutputStream out = dstFS.create(dst, overwrite);
>       IOUtils.copyBytes(in, out, conf, true);
> Some try/catch wrapper around the open operations could close the streams if any exception
gets thrown at that point in the copy process.

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