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https://issues.apache.org/jira/browse/HADOOP-6453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12795051#action_12795051
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Steve Loughran commented on HADOOP-6453:
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I should add that it's script patches that have the greatest cost/line in Ant;
we dropped support for win9x not because java didn't work on it, but the .BAT
syntax was weaker and we couldn't face debugging it. Windows + Cygwin is
equally trouble, so before any patch goes in we really need to think about how
to test on that platform.
> Hadoop wrapper script shouldn't ignore an existing JAVA_LIBRARY_PATH
> --------------------------------------------------------------------
>
> Key: HADOOP-6453
> URL: https://issues.apache.org/jira/browse/HADOOP-6453
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.20.2, 0.21.0, 0.22.0
> Reporter: Chad Metcalf
> Assignee: Chad Metcalf
> Priority: Minor
> Fix For: 0.20.2, 0.21.0, 0.22.0
>
> Attachments: HADOOP-6453-0.20.patch, HADOOP-6453.trunk.patch
>
>
> Currently the hadoop wrapper script assumes its the only place that uses
> JAVA_LIBRARY_PATH and initializes it to a blank line.
> JAVA_LIBRARY_PATH=''
> This prevents anyone from setting this outside of the hadoop wrapper (say
> hadoop-config.sh) for their own native libraries.
> The fix is pretty simple. Don't initialize it to '' and append the native
> libs like normal.
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