"mputz" wrote : | please try to explicitly set the lock mode on the join: | <join name="join1" lock="UPGRADE"> | and let us know how it works for you. Martin, thanks, this worked. Is this a recommended way of dealing with all joins or is it just a temporary workaround (haven't seen support for it int the designer) ? Petr View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4200096#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...