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https://issues.apache.org/jira/browse/MAPREDUCE-2801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13103092#comment-13103092
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Robert Joseph Evans commented on MAPREDUCE-2801:
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@Mahadev,
What do you mean by the native libraries classpath? I understand the
java.library.path and LD_LIBRARY_PATH for finding the necessary dependencies
for the .so files in java.library.path. I also understand the classpath for
finding java .class files, but I am not sure what is meant by native libraries
classpath.
@Arun,
I believe that "." is already added to "java.library.path" and
"LD_LIBRARY_PATH"
If you look at TestMapReduceChildJVM the first test ensures that
LD_LIBRARY_PATH is equal to nmLdLibraryPath+":"+pwd. And the Second test
ensures that command line contains
-Djava.library.path=WORK_DIR:<HADOOP_LIBRARY_PATH> where WORK_DIR is the
working directory to launch the container in.
> Include the native libs in java.library.path
> ---------------------------------------------
>
> Key: MAPREDUCE-2801
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2801
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Ramya Sunil
> Assignee: Robert Joseph Evans
> Fix For: 0.23.0
>
> Attachments: MR-2801.patch
>
>
> For the child tasks in mrv2, java.library.path is set to just $PWD and the
> native libs are not included. Whereas in 0.20.x, java.library.path for child
> tasks was set to <path to native libs>:$PWD
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