Question

How can I use Maven 2.2 to generate a JAR with the source code inside it?

Answer 1

Use the <resources> element; nutshell:

<build>
<...>
<resources>
 <resource>
    <directory>${basedir}/src/main/resources</directory>
 </resource>
 <resource>
    <directory>${basedir}/src/main/java</directory>
 </resource>
</resources>
<...>
</build>

Edit: Oh, I thought you meant you wanted a single jar with both normal jar contents and the source.