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From Guillaume Boué (JIRA) <j...@apache.org>
Subject [jira] [Commented] (MNG-6240) Duplicate components in plugin extension realm when plugin depends on maven-aether-resolver
Date Wed, 14 Jun 2017 18:01:00 GMT

    [ https://issues.apache.org/jira/browse/MNG-6240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16049441#comment-16049441
] 

Guillaume Boué commented on MNG-6240:
-------------------------------------

Fixed in [ra1fe42199565f76007a97f47cd4a848fd9b63482|http://git-wip-us.apache.org/repos/asf/maven/commit/a1fe4219]

> Duplicate components in plugin extension realm when plugin depends on maven-aether-resolver
> -------------------------------------------------------------------------------------------
>
>                 Key: MNG-6240
>                 URL: https://issues.apache.org/jira/browse/MNG-6240
>             Project: Maven
>          Issue Type: Bug
>          Components: Class Loading
>    Affects Versions: 3.5.0
>            Reporter: Guillaume Boué
>            Assignee: Guillaume Boué
>             Fix For: 3.5.1
>
>
> When a plugin extension has a dependency on {{maven-aether-resolver}}, the components
of this artifact are added into the plugin realm even though Maven Core already provides them.
This is a regression introduced by the rename of this module to {{maven-resolver-provider}}
in 3.5.0.
> This rename has kept all the classes of {{maven-aether-resolver}} for compatibility,
therefore the old artifact name also needs to be exported by Maven Core in {{extension.xml}}.
> A visible side-effect of this is MDEPLOY-221, where the two {{MetadataGeneratorFactory}}
components of {{maven-aether-provider}} (which are {{SnapshotMetadataGeneratorFactory}} and
{{VersionsMetadataGeneratorFactory}}) are present twice as Guice bindings, and wrong metadata
information is deployed as a consequence. This is due to the Flex Mojos plugin extension which
depends on {{maven-aether-resolver}} used in the build.



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