I haven't tried using the interceptors with ejb-jar.xml files. I have tried them with annotations. Why don't you use annotations for this? Something like: Bean1 in app1.jar containing this: @Stateless | @Interceptors (GlobalInterceptor.class) | public class Bean1 implements MyBean1 { | And a similar one in Bean2 in mylib.jar | @Stateless | @Interceptors (GlobalInterceptor.class) | public class Bean2 implements MyBean2 { View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4146233#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...