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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8765) LocalDirAllocator.ifExists API is broken and unused
Date Wed, 06 May 2015 03:33:21 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HADOOP-8765:
-------------------------------------
    Labels: BB2015-05-TBR  (was: )

> LocalDirAllocator.ifExists API is broken and unused
> ---------------------------------------------------
>
>                 Key: HADOOP-8765
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8765
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>            Reporter: Hemanth Yamijala
>            Assignee: Hemanth Yamijala
>            Priority: Minor
>              Labels: BB2015-05-TBR
>         Attachments: HADOOP-8765-for-1-0-x.patch, HADOOP-8765.patch
>
>
> LocalDirAllocator.ifExists calls AllocatorPerContext.ifExists, which accesses the localDirsPath
variable that is uninitialised. Hence, any code that uses this API is likely to fail with
a NullPointerException.
> However, this API is currently not used anywhere else in trunk. The earlier usage was
in IsolationRunner, that has since been removed via MAPREDUCE-2606.
> Hence, we could remove this API for trunk, and if required, fix it for the 1.x branch.



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