"max.andersen(a)jboss.com" wrote : We can't fix issues caused by the closedsourced product named myeclipse. You need to talk with them and if they come back with info on what is causing it and we can do something about it let us know. sorry , i forget write some import infomation. i not use myeclipse, only eclipse 3.4.2 + jboss tools and got that excetion. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4239642#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...