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Date: Fri, 14 Oct 2011 18:24:12 +0000 (UTC)
From: "Todd Lipcon (Created) (JIRA)" <jira@apache.org>
To: mapreduce-dev@hadoop.apache.org
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Subject: [jira] [Created] (MAPREDUCE-3190) bin/yarn should barf early if
 HADOOP_COMMON_HOME or HADOOP_HDFS_HOME are not set
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bin/yarn should barf early if HADOOP_COMMON_HOME or HADOOP_HDFS_HOME are not set
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                 Key: MAPREDUCE-3190
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3190
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: mrv2
    Affects Versions: 0.23.0
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
         Attachments: mr-3190.txt

Currently, if these env vars are not set when you run bin/yarn, it will crash with various ClassNotFoundExceptions, having added {{/share/hadoop/hdfs}} to the classpath. Rather, we should check for these env vars in the wrapper script and display a reasonable error message.

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