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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
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Vinod Kumar Vavilapalli commented on YARN-105:
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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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