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Posted to mapreduce-issues@hadoop.apache.org by "Jiahongchao (JIRA)" <ji...@apache.org> on 2015/03/24 11:34:52 UTC

[jira] [Created] (MAPREDUCE-6290) job.setJar not working for jars on hdfs

Jiahongchao created MAPREDUCE-6290:
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             Summary: job.setJar not working for jars on hdfs
                 Key: MAPREDUCE-6290
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6290
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 2.5.0
         Environment: hadoop run on centos 6.4,eclipse run on windows 7
            Reporter: Jiahongchao


when I used job.setJar("hdfs://dev01:9000/root/mrjob-0.0.1.jar") to start MR job on remote hadoop cluster, I got errors saying class not found.
However I noticed comments said "If the job jar is already in fs, we don't need to copy it from local fs", so I think by design setJar method should work for jars that exist on HDFS.




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