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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2481) YARN should allow defining the location of java
Date Fri, 26 Sep 2014 21:48:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-2481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14150049#comment-14150049

Arun C Murthy commented on YARN-2481:

[~ashahab] YARN already allows the JAVA_HOME to be overridable... take a look at {{ApplicationConstants.Environment.JAVA_HOME}}
and {{YarnConfiguration.DEFAULT_NM_ENV_WHITELIST}} for the code-path.

> YARN should allow defining the location of java
> -----------------------------------------------
>                 Key: YARN-2481
>                 URL: https://issues.apache.org/jira/browse/YARN-2481
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Abin Shahab
> Yarn right now uses the location of the JAVA_HOME on the host to launch containers. This
does not work with Docker containers which have their own filesystem namespace and OS. If
the location of the Java binary of the container to be launched is configurable, yarn can
launch containers that have java in a different location than the host.

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