[ 
http://issues.apache.org/jira/browse/HADOOP-232?page=comments#action_12412594 ] 

Milind Bhandarkar commented on HADOOP-232:
------------------------------------------

If the CopyFiles class is not put into core hadoop, I think it should not be 
part of the bin/hadoop command as well. Because all the classes invoked from 
bin/hadoop are in core hadoop. We should provide a separate script called 
distcp (which was my original proposal) in a top-level opt (denoting optional) 
directory. The source and class file should go to examples. Comments ?

> jar files sent to task tracker should override existing jar
> -----------------------------------------------------------
>
>          Key: HADOOP-232
>          URL: http://issues.apache.org/jira/browse/HADOOP-232
>      Project: Hadoop
>         Type: Bug

>   Components: mapred
>     Reporter: Yoram Arnon
>     Assignee: Milind Bhandarkar
>     Priority: Minor
>  Attachments: hadoop-232.patch
>
> jar files sent to task tracker are appended to list, rather than prepended to 
> it.
> this results in the original jar getting executed, although a new one was 
> sent  - not the intent.

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