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Date: Fri, 27 Jul 2012 20:37:35 +0000 (UTC)
From: "Tom White (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-8278) Make sure components declare correct
 set of dependencies
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     [ https://issues.apache.org/jira/browse/HADOOP-8278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tom White updated HADOOP-8278:
------------------------------

    Attachment: HADOOP-8278.patch

Synced with trunk. The two test failures pass locally. I also checked that I could run a job on a single node install.
                
> Make sure components declare correct set of dependencies
> --------------------------------------------------------
>
>                 Key: HADOOP-8278
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8278
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: build
>            Reporter: Tom White
>            Assignee: Tom White
>         Attachments: HADOOP-8278.patch, HADOOP-8278.patch, HADOOP-8278.patch, HADOOP-8278.patch, HADOOP-8278.patch
>
>
> As mentioned by Scott Carey in https://issues.apache.org/jira/browse/MAPREDUCE-3378?focusedCommentId=13173437&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13173437, we need to make sure that components are declaring the correct set of dependencies. In current trunk there are errors of omission and commission (as reported by 'mvn dependency:analyze'):
> * "Used undeclared dependencies" - these are dependencies that are being met transitively. They should be added explicitly as "compile" or "provided" scope.
> * "Unused declared dependencies" - these are dependencies that are not needed for compilation, although they may be needed at runtime. They certainly should not be "compile" scope - they should either be removed or marked as "runtime" or "test" scope.

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