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https://issues.apache.org/jira/browse/HADOOP-10129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13832948#comment-13832948
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Uma Maheswara Rao G commented on HADOOP-10129:
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+1
> Distcp may succeed when it fails
> --------------------------------
>
> Key: HADOOP-10129
> URL: https://issues.apache.org/jira/browse/HADOOP-10129
> Project: Hadoop Common
> Issue Type: Bug
> Components: tools/distcp
> Affects Versions: 0.23.0, 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
> Attachments: HADOOP-10129.patch
>
>
> Distcp uses {{IOUtils.cleanup}} to close its output streams w/o previously
> attempting to close the streams. {{IOUtils.cleanup}} will swallow close or
> implicit flush on close exceptions. As a result, distcp may silently skip
> files when a partial file listing is generated, and/or appear to succeed when
> individual copies fail.
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