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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1817) JT and TT should not have to match build versions
Date Wed, 26 May 2010 17:24:40 GMT
JT and TT should not have to match build versions
-------------------------------------------------

                 Key: MAPREDUCE-1817
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1817
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: tasktracker
    Affects Versions: 0.20.2, 0.20.1, 0.20.3, 0.21.0, 0.22.0
            Reporter: Eli Collins
             Fix For: 0.22.0


TaskTracker#offerService checks for a match with the JT VersionInfo#getBuildVersion, and fails
if they are the same version but happen to be built at a different time of day. It seems like
the correct test is VersionInfo#getRevision.  fwiw the NN and DN do not have to match build
versions. 


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