"jaikiran" wrote : | The package name org.jboss.aspects.* made me believe that the source resides in the aspects project :-) Turns out the org.jboss.aspects.asynch.* classes come from the EJBTHREE project while builing this jboss-aspect-deployer-jdk50.jar : | Yeah, it use to live in aspects/, but it was broken out since EJB 3 is the main user. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4198458#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...