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Date: Fri, 14 Sep 2012 07:57:08 +1100 (NCT)
From: "Vinod Kumar Vavilapalli (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
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Subject: [jira] [Commented] (YARN-105) DEFAULT_YARN_APPLICATION_CLASSPATH is
 incomplete
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    [ https://issues.apache.org/jira/browse/YARN-105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13455276#comment-13455276 ] 

Vinod Kumar Vavilapalli commented on YARN-105:
----------------------------------------------

No, this is not tied to MAPREDUCE-4421.

bq. Does this means that MR on trunk will be broken until MAPREDUCE-4421?
No, NM exports HADOOP_MAPRED_HOME to all containers by default today, as part of the white-listed environment. You just need to start the NM with proper HADOOP_MAPRED_HOME set. I'll update the docs in the interim to reflect this.
                
> DEFAULT_YARN_APPLICATION_CLASSPATH is incomplete
> ------------------------------------------------
>
>                 Key: YARN-105
>                 URL: https://issues.apache.org/jira/browse/YARN-105
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha
>            Reporter: Bo Wang
>            Assignee: Bo Wang
>             Fix For: 2.0.0-alpha
>
>         Attachments: YARN-105.patch
>
>
> Currently, DEFAULT_YARN_APPLICATION_CLASSPATH only includes following:
> "$HADOOP_CONF_DIR", "$HADOOP_COMMON_HOME/share/hadoop/common/*",
> "$HADOOP_COMMON_HOME/share/hadoop/common/lib/*",
> "$HADOOP_HDFS_HOME/share/hadoop/hdfs/*",
> "$HADOOP_HDFS_HOME/share/hadoop/hdfs/lib/*",
> "$YARN_HOME/share/hadoop/yarn/*",
> "$YARN_HOME/share/hadoop/yarn/lib/*"
> However, $HADOOP_MAPRED_HOME/share/hadoop/mapreduce/* and $HADOOP_MAPRED_HOME/share/hadoop/mapreduce/lib/* are missing. All classes of mapreduce projects can't be found.

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