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http://jira.codehaus.org/browse/MNG-4257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=184808#action_184808
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Brian Fox commented on MNG-4257:
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I honestly think this is a bad idea, it's not normal to require the same
dependency twice in your classpath and it shouldn't be allowed / encouraged by
maven.
> Add the possibility to have 2 dependencies with the same groupId:artifactId
> but not the same version
> ----------------------------------------------------------------------------------------------------
>
> Key: MNG-4257
> URL: http://jira.codehaus.org/browse/MNG-4257
> Project: Maven 2
> Issue Type: New Feature
> Reporter: Alexandre Navarro
> Assignee: Brian Fox
>
> Add the possibility to have 2 dependencies with the same groupId:artifactId
> but not the same version.
> For instance, when you have two versions of a jar with a refactoring of a
> package like dozer 4 and 5.
> In my application, I use dozer 5 but I have a dependency which uses dozer 4.
> As maven considers by default all libs are ascendant compatibility, I don't
> have dozer 4 in my classpath and so my depency does not work.
> It can be useful to force not to resolve some conflict.
> I don't think it is possible to do that with maven.
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