The `helloworld-mbean` quickstart project contains 2 subprojects: a `war` archive and a `jboss-sar` archive. You can deploy the WAR, but It is not possible to deploy the SAR.

See https://bugzilla.redhat.com/show_bug.cgi?id=1191485

The source is located here: https://github.com/jboss-developer/jboss-eap-quickstarts/tree/6.4.x-develop/helloworld-mbean