Compilation fails with the following error.
[ERROR] Failed to execute goal org.codehaus.enunciate:maven-enunciate-plugin:1.28:docs (default) on project connectionmanager.northbound: Execution default of goal org.codehaus.enunciate:maven-enunciate-plugin:1.28:docs failed: A required class was missing while executing org.codehaus.enunciate:maven-enunciate-plugin:1.28:docs: com/sun/mirror/apt/AnnotationProcessorFactory

Found a work around online. But, that didn't help.
https://jira.codehaus.org/browse/ENUNCIATE-603