'args4j' is not part of EAP 6 Repository but OSGI components have a dependency on the component.
Confirm that we ship the two following components, can grep for the following JARs:
jbosgi-spi-3.1.0.Final-redhat-1.pom has a dependency on 'args4j' which is not part of the Repository.
Delete your current local maven repo.
Follow instructions to setup the maven repo that is available as a download through the customer portal.
In JBDev Studio go to JBoss Central and select new Java EE Web Project. Add following dependencies:
Save and the error should show up.