I has a verify... error and I got an error of with arguments not compatible to the method. I've looked in the code and it was somehow related to a final field. I'm not sure that the problem I had was related to the fact that there is a reference in the local variable table to the StringBuilder or something else. I just wonder if it could cause a problem... View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4223324#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...