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https://issues.apache.org/jira/browse/HADOOP-1493?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Enis Soztutar updated HADOOP-1493:
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Attachment: HADOOP-1493_v1.0.patch
This patch addresses the issue by merging the paths given by
"mapred.child.java.opts" and the TaskTracker's java.library.path
> possible double setting of java.library.path introduced by HADOOP-838
> ---------------------------------------------------------------------
>
> Key: HADOOP-1493
> URL: https://issues.apache.org/jira/browse/HADOOP-1493
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.14.0
> Reporter: Enis Soztutar
> Assignee: Enis Soztutar
> Fix For: 0.14.0
>
> Attachments: HADOOP-1493_v1.0.patch
>
>
> HADOOP-838 introduced setting java.library.path to run the
> {{TaskTracker$Child}} from the TaskTracker's library.path, so that the native
> lib path is passed to the child. However if we also want to set
> -Djava.library.path from the configuration by "mapred.child.java.opts", than
> the child java process is called with two -Djava.library.path properties, and
> java seems to ignore the former, rather than use the two. This situation
> prevents using -Djava.library.path in "mapred.child.java.opts".
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