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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2014/07/17 17:31:06 UTC

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

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved MAPREDUCE-2444.
-----------------------------------------

    Resolution: Duplicate

This was essentially resolved with the move to Protobuf for the RPC layer.

> 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
>              Labels: hadoop
>
> 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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