I had the same problem, its because you are using an older version of eclipse &/or you have conflicting add-ons.
Just download the full eclipse IDE under the download section of jbpm View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3950156#3950156 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3950156 _______________________________________________ JBoss-user mailing list JBoss-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-user