maven: multi-module project assembly into single jar

Question

I have a multi-module project and want to create a single jar containing the classes of all my modules. Inside my parent POM, I declared the following plugin:

Answer 1

I think you are looking for the Maven Shade Plugin:

http://maven.apache.org/plugins/maven-shade-plugin/index.html

Packages up any number of dependencies into an uber package depenency. This can then be deployed to a repository.