Maven JAR Plugin 3.0.2 Error: You have to use a classifier to attach supplemental artifacts to the project instead of replacing them

Question

Maven JAR plugin (version 3.0.2) keeps throwing the following error, even for a single invocation of the jar goal:

[ERR

Answer 1

In my case , I have setup the execution's ID as default-jar, then the error gone. e.g.

    default-jar
    package
    
        jar