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https://issues.apache.org/jira/browse/MAPREDUCE-4994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13575340#comment-13575340
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Hitesh Shah commented on MAPREDUCE-4994:
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It makes sense to remove -jt as there is no notion of jobtracker anywhere in 
2.x 
                
> -jt generic command line option does not work
> ---------------------------------------------
>
>                 Key: MAPREDUCE-4994
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4994
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 2.0.2-alpha
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: MAPREDUCE-4994-1.patch, MAPREDUCE-4994.patch
>
>
> hadoop jar myjar.jar MyDriver -fs file:/// -jt local input.txt output/
> should run a job using the local file system and the local job runner. 
> Instead it tries to connect to a jobtracker.
> hadoop jar myjar.jar MyDriver -fs file:/// -jt host:port input.txt output/
> does not use the given host/port
> This appears to be because Cluster#initialize, which loads the 
> ClientProtocol, contains no special handling for mapred.job.tracker.

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