In all book i've read it'write: In EJB, metadata annotations dramatically simplify development and testing of applications, without having to depend on an external XML configuration file. Manning - EJB3 in action Mastering EJB 4th Ed Now if service is in correct form like TestClass why i should use "probably" xml or external tool? Ist' really possible to build a client with only EJB3? Regards View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4059982#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...