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https://issues.apache.org/jira/browse/HDFS-465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14069184#comment-14069184
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Colin Patrick McCabe commented on HDFS-465:
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Yeah.  This was fixed in HDFS-3579.  This JIRA was just a placeholder in case 
people wanted to fix it in branch-1 and earlier.

> in branch-1, libhdfs makes jni lib calls after setting errno in some places
> ---------------------------------------------------------------------------
>
>                 Key: HDFS-465
>                 URL: https://issues.apache.org/jira/browse/HDFS-465
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 1.1.2
>            Reporter: Pete Wyckoff
>            Assignee: Pete Wyckoff
>         Attachments: HADOOP-4636.txt
>
>
> errno can be affected by other lib calls, so should always be set right 
> before return stmt and never before making other library calls.



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