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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-838) TaskRunner.run() doesn't pass along the 'java.library.path' to the child (task) jvm
Date Wed, 20 Dec 2006 22:50:23 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-838?page=comments#action_12460083 ] 
            
Nigel Daley commented on HADOOP-838:
------------------------------------

+1

With LD_LIBRARY_PATH set to *not* include the hadoop native library, I successfully ran all
the unit tests and saw that the native library was always loaded.

> TaskRunner.run() doesn't pass along the 'java.library.path' to the child (task) jvm
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-838
>                 URL: http://issues.apache.org/jira/browse/HADOOP-838
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.9.2
>            Reporter: Arun C Murthy
>         Assigned To: Arun C Murthy
>         Attachments: HADOOP-838_20061220_1.patch
>
>
> Since TaskRunner.run doesn't pass along java.library.path of the parent (TT) to the child
(task) the native library path (if needed) is missing and hence it cannot load the native
library. The fix is to do a System.getProperty and add it to the child jvm's arguments.

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