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https://issues.apache.org/jira/browse/MJAVADOC-618?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Robert Scholte updated MJAVADOC-618:
------------------------------------
    Description: 
If we have a submodule project producing a war archive, {{javadoc:aggregate}} 
fails with the following message:
{noformat}
[WARNING] Only outputDirectories and jars are accepted on the path
 [ERROR] Error while creating javadoc report: Only outputDirectories and jars 
are accepted on the path
 java.lang.IllegalArgumentException: Only outputDirectories and jars are 
accepted on the path
     at org.codehaus.plexus.languages.java.jpms.LocationManager.resolvePath 
(LocationManager.java:333)
     at org.codehaus.plexus.languages.java.jpms.LocationManager.resolvePath 
(LocationManager.java:139)
     at org.apache.maven.plugins.javadoc.AbstractJavadocMojo.addJavadocOptions 
(AbstractJavadocMojo.java:5001)
{noformat}
After some investigations it seems it tries to pass the war package to 
LocationManager.resolvePath.

I've added a quickstart project to reproduce the problem. Just run:

{{mvn package javadoc:aggregate}}

  was:
If we have a submodule project producing a war archive, javadoc:aggregate fails 
with the following message:

[WARNING] Only outputDirectories and jars are accepted on the path
 [ERROR] Error while creating javadoc report: Only outputDirectories and jars 
are accepted on the path
 java.lang.IllegalArgumentException: Only outputDirectories and jars are 
accepted on the path
     at org.codehaus.plexus.languages.java.jpms.LocationManager.resolvePath 
(LocationManager.java:333)
     at org.codehaus.plexus.languages.java.jpms.LocationManager.resolvePath 
(LocationManager.java:139)
     at org.apache.maven.plugins.javadoc.AbstractJavadocMojo.addJavadocOptions 
(AbstractJavadocMojo.java:5001)

After some investigations it seems it tries to pass the war package to 
LocationManager.resolvePath.

I've added a quickstart project to reproduce the problem. Just run:

mvn clean install javadoc:aggregate


> Goal javadoc:aggregate fails with submodules packaged as war
> ------------------------------------------------------------
>
>                 Key: MJAVADOC-618
>                 URL: https://issues.apache.org/jira/browse/MJAVADOC-618
>             Project: Maven Javadoc Plugin
>          Issue Type: Bug
>          Components: javadoc
>    Affects Versions: 3.1.0, 3.1.1
>         Environment: - Java 11 or grater is required.
> - Submodules must be configured to be java modules. I've used 
> 'Automatic-Module-Name' parameters with maven-jar-plugin
>            Reporter: Andrea Del Bene
>            Priority: Major
>         Attachments: maven-modular.zip
>
>
> If we have a submodule project producing a war archive, {{javadoc:aggregate}} 
> fails with the following message:
> {noformat}
> [WARNING] Only outputDirectories and jars are accepted on the path
>  [ERROR] Error while creating javadoc report: Only outputDirectories and jars 
> are accepted on the path
>  java.lang.IllegalArgumentException: Only outputDirectories and jars are 
> accepted on the path
>      at org.codehaus.plexus.languages.java.jpms.LocationManager.resolvePath 
> (LocationManager.java:333)
>      at org.codehaus.plexus.languages.java.jpms.LocationManager.resolvePath 
> (LocationManager.java:139)
>      at 
> org.apache.maven.plugins.javadoc.AbstractJavadocMojo.addJavadocOptions 
> (AbstractJavadocMojo.java:5001)
> {noformat}
> After some investigations it seems it tries to pass the war package to 
> LocationManager.resolvePath.
> I've added a quickstart project to reproduce the problem. Just run:
> {{mvn package javadoc:aggregate}}



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