https://jira.jboss.org/jira/browse/JBOSGI-138 Currently we have OSGiSystemBundle extends OSGiBundleState which initializes the OSGiBundleState with a null DeploymentUnit All Bundle and BundleContext methods that internally access the DU fail for the system bundle An improved abstraction would be OSGiSystemBundle extends AbstractBundle OSGiBundle extends AbstractBundle View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4251722#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...