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From "Suhas Gogate (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3570) Including user specified jar files in the client side classpath path in Hadoop 0.17 streaming
Date Mon, 16 Jun 2008 17:45:44 GMT
Including user specified jar files in the client side classpath path in Hadoop 0.17 streaming
---------------------------------------------------------------------------------------------

                 Key: HADOOP-3570
                 URL: https://issues.apache.org/jira/browse/HADOOP-3570
             Project: Hadoop Core
          Issue Type: Bug
          Components: contrib/streaming
    Affects Versions: 0.17.0
            Reporter: Suhas Gogate


Hadoop 0.17 streaming allows specifying multiple user specific jar files on the command line
along with the hadoop-streaming.jar. These user specific jar files are not automatically 
added on the client side class path when hadoop runs the streaming job

For example, in the following streaming job <user-app.jar> is not automatically included
in client side path before executing the streaming job
 
hadoop  jar -libjars <user-app.jar> $HADOOP_HOME/hadoop-streaming.jar \
        -input </input-data-path> \
        -output </output data path> \
        -inputformat  <Input-format> \
        -outputformat <OutputFormat> \
        -mapper /bin/cat -reducer /bin/cat \
        -additionalconfspec  <xxxx> \
        -jobconf mapred.reduce.tasks=3\

Workaround:
Current work around is to set these user specific jar files in
HADOOP_CLASSPATH environment variable on the client side before running above example.



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