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Posted to common-issues@hadoop.apache.org by "Sangjin Lee (JIRA)" <ji...@apache.org> on 2015/06/01 21:21:17 UTC

[jira] [Commented] (HADOOP-12048) many undeclared used dependencies (and declared unused dependencies)

    [ https://issues.apache.org/jira/browse/HADOOP-12048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14567832#comment-14567832 ] 

Sangjin Lee commented on HADOOP-12048:
--------------------------------------

There might be some relevance to HADOOP-11804.

> many undeclared used dependencies (and declared unused dependencies)
> --------------------------------------------------------------------
>
>                 Key: HADOOP-12048
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12048
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 3.0.0
>            Reporter: Sangjin Lee
>
> Currently there are numerous undeclared used dependencies and declared unused dependencies in the hadoop projects.
> Undeclared used dependencies are easier errors to correct, and correcting them will lead to a better management of dependencies (enabling stricter dependency frameworks down the road).
> Declared unused dependencies are harder to resolve, as many may be legitimate runtime dependencies. But fixing them would lead to smaller profiles for hadoop projects.
> We can do a one-time scan of dependency issues and fix them. However, in the long run, it would be nice to be able to enforce those rules via maven plug-in.



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