I installed this: "JBoss jBPM Process Plugin Designer " jbpm-jpdl-designer-3.0.13.zip But the problem is the same one View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4030272#4030272 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4030272