The Beta2 build still shows JBossWeb/2.0.0.GA_CP01 to be used and not 2.0.0.GA_CP04
Either an incorrect version of JBossweb is packaged or the version strings were not updated when building 2.0.0.GA_CP04
12:03:40,031 INFO [StandardService] Starting service jboss.web
12:03:40,031 INFO [StandardEngine] Starting Servlet Engine: JBossWeb/2.0.0.GA_CP01
12:03:40,078 INFO [Catalina] Server startup in 58 ms