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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-6605) Add JAVA_HOME detection to hadoop-config
Date Mon, 13 Jun 2011 16:57:51 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13048651#comment-13048651
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Daryn Sharp commented on HADOOP-6605:
-------------------------------------

I'd like to succinctly reassert that it's unexpected behavior, on OS X, for a java app to
not honor the user's preference.  FWIW, I've never had to explicitly define JAVA_HOME for
an app.  For instance, Tomcat doesn't require the user to explicitly define JAVA_HOME to start
the server.

> Add JAVA_HOME detection to hadoop-config
> ----------------------------------------
>
>                 Key: HADOOP-6605
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6605
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Chad Metcalf
>            Assignee: Eli Collins
>            Priority: Minor
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-6605.patch, hadoop-6605-1.patch, hadoop-6605-2.patch, hadoop-6605-3.patch,
hadoop-6605-4.patch
>
>
> The commands that source hadoop-config.sh currently bail with an error if JAVA_HOME is
not set. Let's detect JAVA_HOME (from a list of locations on various OS types) if JAVA_HOME
is not already set by hadoop-env.sh or the environment. This way users don't have to manually
configure it.

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