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https://issues.apache.org/jira/browse/MRESOLVER-614?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17893426#comment-17893426
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ASF GitHub Bot commented on MRESOLVER-614:
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cstamas commented on PR #595:
URL: https://github.com/apache/maven-resolver/pull/595#issuecomment-2441455762
Related explanation(s):
https://gist.github.com/cstamas/a65f042d14ee8e58c1a6d3c17e3fecaf
> Collector applies depMgt entries coming from a self onto itself
> ---------------------------------------------------------------
>
> Key: MRESOLVER-614
> URL: https://issues.apache.org/jira/browse/MRESOLVER-614
> Project: Maven Resolver
> Issue Type: Bug
> Components: Resolver
> Affects Versions: 2.0.2
> Reporter: Tamas Cservenak
> Assignee: Tamas Cservenak
> Priority: Major
> Fix For: 2.0.3
>
>
> In Maven3 this was not a problem, as Maven3 could add depMgt only on "root
> level".
> In Maven4 with use of new/old transitive Dependency Managers this became a
> problem. The dependency manager first receives depMgt entries for currently
> processed node, and then applies it onto same entry, overriding direct
> dependency versions.
> Example with Maven beta-5: it cannot build Resolver master
> (88a96ac0606d4d2372452a677d9f93c0b55105a4) as bnd-maven-plugin do depend on
> plexus-utils via path of {{bnd-maven-plugin > build-api > plexus-utils}} as
> it explodes due lack of org.plexus.utils.Scanner on classpath. This class was
> introduced in plexus-utils 1.5.8, and build-api do depend on it. But alas,
> build-api parent contains depMgt entry for plexus-utils 1.5.5 and is applied
> onto build-api overriding it's own dependency version.
> Basically current resolver code is NOT prepared for any "transitive
> dependency management" (despite DependencyManagers are there) as node would
> apply it's own depManagement rules onto itself.
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