<source path='client' /><source path='service' /><source path='dto'>
<exclude name='**/*Test.java' /><exclude name='**/Mock*.java' />
</source>
Maven should not even allow you project to compile if that is the case. Dev mode might still run. Try mvn install .
If that fails you prob have an import/reference to a test in you main src code.
Post results back.