Thanks for replying. I tried to upgrade to 1.2.1 by replacing all the .jar files and recompiling it. When I ran it, I got the following exception Class org.jboss.seam.remoting.SeamRemotingServlet not found I looked at 1.2.1 library, there is a new jar jboss-seam-remoting.jar but it didn't have that class. In the 1.1.5, the remoting related classes were in jboss-seam.jar file. Is there something else I need to do so it didn't generate code for the class or I am missing additional .jar file. I tried to find an upgrade instruction for 1.1.5 to 1.2.1 but without much luck, is there one? thanks View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4086828#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...