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Posted to mapreduce-issues@hadoop.apache.org by "Tsuyoshi OZAWA (JIRA)" <ji...@apache.org> on 2015/02/18 05:31:12 UTC

[jira] [Assigned] (MAPREDUCE-6261) NullPointerException if MapOutputBuffer.flush invoked twice

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsuyoshi OZAWA reassigned MAPREDUCE-6261:
-----------------------------------------

    Assignee: Tsuyoshi OZAWA

> NullPointerException if MapOutputBuffer.flush invoked twice
> -----------------------------------------------------------
>
>                 Key: MAPREDUCE-6261
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6261
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.5.0
>            Reporter: Jason Lowe
>            Assignee: Tsuyoshi OZAWA
>         Attachments: MAPREDUCE-6261.1.patch
>
>
> MapOutputBuffer.flush will throw an NPE if it is invoked twice, since it blindly assumes kvbuffer is not null yet sets kvbuffer to null towards the end of the method.



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