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Posted to mapreduce-dev@hadoop.apache.org by "Alexey Diomin (JIRA)" <ji...@apache.org> on 2011/04/21 11:27:05 UTC

[jira] [Created] (MAPREDUCE-2444) error connect tasktracker for jobtracker

error connect tasktracker for jobtracker
----------------------------------------

                 Key: MAPREDUCE-2444
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2444
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: tasktracker
    Affects Versions: 0.20.1
            Reporter: Alexey Diomin


In TaskTracker.java on create connection to JobTracker we check compare build version

if(!VersionInfo.getBuildVersion().equals(jobTrackerBV)) 

but

public static String getBuildVersion(){
    return VersionInfo.getVersion() +
    " from " + VersionInfo.getRevision() +
    " by " + VersionInfo.getUser() +
    " source checksum " + VersionInfo.getSrcChecksum();
}

in result identical version/revision/srcChecksum but compiled different users incompatible


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