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Posted to common-issues@hadoop.apache.org by "Ivan A. Veselovsky (JIRA)" <ji...@apache.org> on 2013/01/14 13:24:12 UTC

[jira] [Updated] (HADOOP-9205) Java7: path to native libraries should be passed to tests via -Djava.library.path rather than env.LD_LIBRARY_PATH

     [ https://issues.apache.org/jira/browse/HADOOP-9205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan A. Veselovsky updated HADOOP-9205:
---------------------------------------

          Description: 
Currently the path to native libraries is passed to unit tests via environment variable LD_LIBRARTY_PATH. This is okay for Java6, but does not work for Java7, since Java7 ignores this environment variable.

So, to run the tests with native implementation on Java7 one needs to pass the paths to native libs via -Djava.library.path system property rather than the LD_LIBRARY_PATH env variable.

The suggested patch fixes the problem via setting the paths to native libs using both LD_LIBRARY_PATH and -Djava.library.path property. This way the tests work equally on both Java6 and Java7.
    Affects Version/s: 0.23.6
                       2.0.3-alpha
                       3.0.0
    
> Java7: path to native libraries should be passed to tests via -Djava.library.path rather than env.LD_LIBRARY_PATH
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-9205
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9205
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 2.0.3-alpha, 0.23.6
>            Reporter: Ivan A. Veselovsky
>            Assignee: Ivan A. Veselovsky
>
> Currently the path to native libraries is passed to unit tests via environment variable LD_LIBRARTY_PATH. This is okay for Java6, but does not work for Java7, since Java7 ignores this environment variable.
> So, to run the tests with native implementation on Java7 one needs to pass the paths to native libs via -Djava.library.path system property rather than the LD_LIBRARY_PATH env variable.
> The suggested patch fixes the problem via setting the paths to native libs using both LD_LIBRARY_PATH and -Djava.library.path property. This way the tests work equally on both Java6 and Java7.

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