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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6671) To use maven for hadoop common builds
Date Mon, 28 Feb 2011 19:51:37 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13000491#comment-13000491
] 

Luke Lu commented on HADOOP-6671:
---------------------------------

Since HADOOP-7106 is moving forward, we should consider converting the all the Hadoop core
projects (common, hdfs, mapreduce) into one single multi-module maven (2+) project. We can
then easily do mvn install on the top-level and test patches across the modules, or work in
the module directory independently. This has many advantages over a bunch of disjoint ant/ivy
projects. Though maven2+ still has its issues, most can be resolved by using the right versions
of plugins. Our recent effort with a major multi-module maven project worked out better than
I expected. The more I worked with both maven (2+) and ant/ivy the more I prefer maven to
ant/ivy (mostly for much less ways to shoot myself in the foot :)

> To use maven for hadoop common builds
> -------------------------------------
>
>                 Key: HADOOP-6671
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6671
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>    Affects Versions: 0.22.0
>            Reporter: Giridharan Kesavan
>         Attachments: build.png
>
>
> We are now able to publish hadoop artifacts to the maven repo successfully [ Hadoop-6382]
> Drawbacks with the current approach:
> * Use ivy for dependency management with ivy.xml
> * Use maven-ant-task for artifact publishing to the maven repository
> * pom files are not generated dynamically 
> To address this I propose we use maven to build hadoop-common, which would help us to
manage dependencies, publish artifacts and have one single xml file(POM) for dependency management
and artifact publishing.
> I would like to have a branch created to work on mavenizing  hadoop common.

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