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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1917) Clean up duplication of dependent jar files
Date Fri, 13 May 2011 18:01:48 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13033162#comment-13033162
] 

Tsz Wo (Nicholas), SZE commented on HDFS-1917:
----------------------------------------------

+1 patch looks good.

> Clean up duplication of dependent jar files
> -------------------------------------------
>
>                 Key: HDFS-1917
>                 URL: https://issues.apache.org/jira/browse/HDFS-1917
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 0.23.0
>         Environment: Java 6, RHEL 5.5
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>         Attachments: HDFS-1917-1.patch, HDFS-1917.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, hdfs's the third party dependent jar files should be fetch from hadoop-common.
 However, it is currently fetching from hadoop-hdfs/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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