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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4737) JVM path embedded in fuse binaries
Date Wed, 24 Apr 2013 00:49:17 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HDFS-4737:
---------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0.5-beta
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

I've just committed this to trunk and branch-2.

Thanks a lot for the contribution, Sean, and thanks a lot to Colin as well for the review.
                
> JVM path embedded in fuse binaries
> ----------------------------------
>
>                 Key: HDFS-4737
>                 URL: https://issues.apache.org/jira/browse/HDFS-4737
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.4-alpha
>            Reporter: Sean Mackrory
>            Assignee: Sean Mackrory
>             Fix For: 2.0.5-beta
>
>         Attachments: 0001-HADOOP-9468.-Not-embedding-JVM-library-paths-in-FUSE.patch
>
>
> When the FUSE binaries are built, the paths to libraries in the JVMs is embedded in the
RPATH so that they can be found at run-time. From an Apache Bigtop perspective, this is not
sufficient because the software may be run on a machine configured very differently from the
one on which they were built - so a wrapper sets LD_LIBRARY_PATH according to JAVA_HOME. I
recently saw an issue where the original JVM path existed, causing LD_LIBRARY_PATH to be ignored
in favor of the RPATH, but it was not the JVM intended for running Hadoop (not JAVA_HOME),
and this caused problems.
> I'm told that setting LD_LIBRARY_PATH is standard practice before using the fuse program
anyway, and if that's the case, I think removing the RPATH from the binaries is a good idea.

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