[jira] [Commented] (MJAVADOC-707) Plugin won't work if Automatic-Module-Name is used

["Geoffrey De Smet (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MJAVADOC-707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17702781#comment-17702781 ] 

Geoffrey De Smet commented on MJAVADOC-707:
-------------------------------------------

Duplicated by MJAVADOC-747 which contains an isolated reproducer.

> Plugin won't work if Automatic-Module-Name is used
> --------------------------------------------------
>
>                 Key: MJAVADOC-707
>                 URL: https://issues.apache.org/jira/browse/MJAVADOC-707
>             Project: Maven Javadoc Plugin
>          Issue Type: Bug
>    Affects Versions: 3.3.1, 3.3.2, 3.4.0
>            Reporter: Christopher Tubbs
>            Priority: Critical
>
> Using Automatic-Module-Name in a manifest (an intermediate step to help transition to using modules) prevents this plugin from adding the necessary dependencies to the class path, so it can build javadocs.
> maven-compiler-plugin seems to work fine, as does surefire and all the others when Automatic-Module-Name entries appear in a project's jar manifests. However, this plugin, as of 3.3.1, still does not work correctly with these.
> Instead of using the traditional class path, this plugin seems to force treating the project as a module, even though it does not have any module-info.java files, and most of its dependencies have not transitioned to using modules.
> Here's a pull request that demonstrates adding the Automatic-Module-Name to the manifest for a multi-module (Maven module) project, that fails on the javadoc plugin:
> https://github.com/apache/accumulo/pull/2498 ; both javadoc:aggregate and javadoc:jar are known to fail. I did not test with any other mojos.
> Not supporting this feature holds all projects back from being able to transition to modules over time.
> http://branchandbound.net/blog/java/2017/12/automatic-module-name/
> https://docs.oracle.com/javase/9/docs/api/java/lang/module/ModuleFinder.html#automatic-modules



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