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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2483) Clean up duplication of dependent jar files
Date Fri, 20 May 2011 15:40:47 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13036892#comment-13036892
] 

Hudson commented on MAPREDUCE-2483:
-----------------------------------

Integrated in Hadoop-Mapreduce-trunk #685 (See [https://builds.apache.org/hudson/job/Hadoop-Mapreduce-trunk/685/])
    MAPREDUCE-2483. Remove duplication of jars between Hadoop subprojects
from build artifacts. (Eric Yang via omalley)

omalley : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1125017
Files : 
* /hadoop/mapreduce/trunk/CHANGES.txt
* /hadoop/mapreduce/trunk/ivy.xml
* /hadoop/mapreduce/trunk/src/contrib/mumak/build.xml
* /hadoop/mapreduce/trunk/build.xml


> Clean up duplication of dependent jar files
> -------------------------------------------
>
>                 Key: MAPREDUCE-2483
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2483
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 0.23.0
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-2483.patch
>
>
> For trunk, the build and deployment tree look like this:
> hadoop-common-0.2x.y
> hadoop-hdfs-0.2x.y
> hadoop-mapred-0.2x.y
> Technically, mapred's the third party dependent jar files should be fetch from hadoop-common
and hadoop-hdfs.  However, it is currently fetching from hadoop-mapred/lib only.  It would
be nice to eliminate the need to repeat duplicated jar files at build time.
> There are two options to manage this dependency list, continue to enhance ant build structure
to fetch and filter jar file dependencies using ivy.  On the other hand, it would be a good
opportunity to convert the build structure to maven, and use maven to manage the provided
jar files.

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