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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8737) cmake: always use JAVA_HOME to find libjvm.so, jni.h, jni_md.h
Date Wed, 29 Aug 2012 00:06:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13443677#comment-13443677
] 

Allen Wittenauer commented on HADOOP-8737:
------------------------------------------

Colin: The patch hard codes paths that don't exist on some platforms.

Alejandro: The native code does compile on OS X with a few line changes.  
                
> cmake: always use JAVA_HOME to find libjvm.so, jni.h, jni_md.h
> --------------------------------------------------------------
>
>                 Key: HADOOP-8737
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8737
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: native
>    Affects Versions: 2.2.0-alpha
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Minor
>         Attachments: HADOOP-8737.001.patch
>
>
> We should always use the {{libjvm.so}}, {{jni.h}}, and {{jni_md.h}} under {{JAVA_HOME}},
rather than trying to look for them in system paths.  Since we compile with Maven, we know
that we'll have a valid {{JAVA_HOME}} at all times.  There is no point digging in system paths,
and it can lead to host contamination if the user has multiple JVMs installed.

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