将Jboss / Seam App移植到更新版本

I have a Web App running using SEAM 2.0.2 on JBoss 4.2. When I tried to run it using Seam 2.1 and JBoss 5, all sorts of problems arised. Is there a porting guide available for this scenario that you're aware of ?I have a Web App running using SEAM 2.0.2 on JB