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From "Ivan A. Veselovsky (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9205) Java7: path to native libraries should be passed to tests via -Djava.library.path rather than env.LD_LIBRARY_PATH
Date Mon, 14 Jan 2013 19:48:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13553038#comment-13553038

Ivan A. Veselovsky commented on HADOOP-9205:

I observed the problem with Oracle's JDK 1.7.0_10.
The tests are not failing, they just use Java implementation instead of the native one, even
if -Pnative profile is enabled.
Links that seem to be relevant there are:
I will investigate if the problem is reproducible with J1.7.0_05.
> Java7: path to native libraries should be passed to tests via -Djava.library.path rather
> -----------------------------------------------------------------------------------------------------------------
>                 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
>         Attachments: HADOOP-9205.patch
> 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
> 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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