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Date: Thu, 4 Jun 2009 03:21:08 -0700 (PDT)
From: "Amar Kamat (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-2838) Add HADOOP_LIBRARY_PATH config
 setting so Hadoop will include external directories for jni
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     [ https://issues.apache.org/jira/browse/HADOOP-2838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amar Kamat updated HADOOP-2838:
-------------------------------

    Attachment: HADOOP-2838-v2.2.patch

Attaching a patch incorporating Sharad's comments. Result of test-patch
{code}
 [exec] +1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 6 new or modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec] 
     [exec]     +1 Eclipse classpath. The patch retains Eclipse classpath integrity.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the total number of release audit warnings.
{code}

Changes :
# Improved the test case
# Merged TestMiniMRTaskTempDir with env checks.
Running ant tests now.

> Add HADOOP_LIBRARY_PATH config setting so Hadoop will include external directories for jni
> ------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2838
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2838
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.16.0
>            Reporter: Owen O'Malley
>            Assignee: Amar Kamat
>         Attachments: HADOOP-2838-v1.0.patch, HADOOP-2838-v1.1.patch, HADOOP-2838-v2.2.patch
>
>
> Currently there is no way to configure Hadoop to use external JNI directories. I propose we add a new variable like HADOOP_CLASS_PATH that is added to the JAVA_LIBRARY_PATH before the process is run.

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