[jira] [Created] (MCOMPILER-461) Compile fails when class references a class generated by an annotation processor and module-info.java is present

["Ralph Goers (Jira)" <ji...@apache.org>]

Ralph Goers created MCOMPILER-461:
-------------------------------------

             Summary: Compile fails when class references a class generated by an annotation processor and module-info.java is present
                 Key: MCOMPILER-461
                 URL: https://issues.apache.org/jira/browse/MCOMPILER-461
             Project: Maven Compiler Plugin
          Issue Type: Bug
    Affects Versions: 3.8.1
         Environment: MacOS 10.15.7. 
Maven home: /opt/maven/maven
Java version: 11.0.10, vendor: Amazon.com Inc., runtime: /Library/Java/JavaVirtualMachines/amazon-corretto-11.jdk/Contents/Home
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.15.7", arch: "x86_64", family: "mac"
            Reporter: Ralph Goers


While trying to convert Log4j-core to a JPMS module I have run into an issue where I have a class that references a class that is generated by Log4j's annotation processor and that class gets an error saying the referenced class cannot be found. However, after the compile fails I can see that the file was generated.

To reproduce:
git clone [https://github.com/apache/logging-log4j2.git
]cd logging-log4j2
git checkout module-compile-fails
mvn clean install

The compile will fail in log4j-core. Some appear to be errors in javac for which I have opened an issue with openjdk. But if I do "mvn -X clean install" and copy the compile command line and prepend it with javac when it runs I no longer see


[ERROR] /Users/rgoers/projects/apache/logging/log4j/logging-log4j2/log4j-core/src/main/java/org/apache/logging/log4j/core/osgi/Activator.java:[29,44] error: cannot find symbol symbol: class Log4jPlugins location: package org.apache.logging.log4j.core.plugins 

which indicates that Maven is somehow causing that.



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