Maven: excluding java files in compilation

Question

I have a folder of java sources which I wish to exclude from the compilation.

My folder is under qa/apitests/src/main/java/api/test/omi.

I added

Answer 1

The top voted answer works fine but it doesn't allow forcing the exclusion when the excluded class/classes is/are being used by not-excluded ones.

Workaround using maven-antrun-plugin:

    org.apache.maven.plugins
    maven-antrun-plugin
    1.8
    
        
            process-classes
            
                run