Thorsten Glaser created MJAVADOC-523:

             Summary: Exclude non-Java JARs from Maven Javadoc plugin processing
                 Key: MJAVADOC-523
             Project: Maven Javadoc Plugin
          Issue Type: Bug
          Components: javadoc
    Affects Versions: 2.8
            Reporter: Thorsten Glaser

I have a multi-module project which builds a couple of JARs and then 
distributed them into two WARs.

However, one of the JARs does not contain any Java code at all, merely 
(maven-filtered) resources. This leads to warnings during the build like these:
[INFO] --- maven-javadoc-plugin:2.8:jar (attach-javadocs) @ foo-services ---
[INFO] The goal 'org.apache.maven.plugins:maven-javadoc-plugin:2.8:javadoc' has 
not been previously called for the module: 
''. Trying to invoke it...

[WARNING] Creating fake javadoc directory to prevent repeated invocations: 
[ERROR] Error fetching link: 
 Ignored it.

Loading source files for package
I found how I can exclude javadoc stuff by package, but not by artifact.

The plugin is currently included ONLY in the parent POM, like this:
While it _is_ run during “compilation” of the resources-only JAR, it 
(obviously) produces no result, thus the warning (as it’s not excluded either).

How can I either make it produce something (i.e. the ability to create a 
valid-looking yet contentless FOO-javadoc.jar that satisfies references by 
reverse dependencies, in a JAR not containing any Java™ code) or, probably 
preferably, exclude the {{foo-rsrcs}} module from being accessed by mjavadoc on 
modules depending on it?

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