[jira] [Created] (MNG-7620) Rework how "exportedArtifacts" works

["Christoph Läubrich (Jira)" <ji...@apache.org>]

Christoph Läubrich created MNG-7620:
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             Summary: Rework how "exportedArtifacts" works
                 Key: MNG-7620
                 URL: https://issues.apache.org/jira/browse/MNG-7620
             Project: Maven
          Issue Type: Improvement
            Reporter: Christoph Läubrich


Recently there was a discussion about "exportedArtifacts" and how the work here are the relevant code path:

https://github.com/apache/maven/blob/master/maven-core/src/main/java/org/apache/maven/classrealm/DefaultClassRealmManager.java#L302-L328

https://github.com/apache/maven/blob/master/maven-core/src/main/java/org/apache/maven/classrealm/DefaultClassRealmManager.java#L83-L87

First the documentation is a bit misleading, as it says

{code:java}
Patterns of artifacts provided by maven core and exported via maven api realm
{code}

from some experiments, it seems that any core or project extension can also define "exported" artifacts.

Second is, that this simply adds the URL of an exported artifact and thus always the same *jar* is used to load the class, but still different classrealms can load the class.

What came into my mind is that it actually should have an own realm where such exported artifacts are loaded and this realm is then imported instead of the URL.




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