Thanks. JBossAS version is 4.2.2 I don't know what kind of web service NetBeans built (I checked in the properties but I didn't find anything) My application is built in the same way as you described in your post, and if using Glassfish as AS everything works fine. So, I have no clue why it is not possible to deploy the servlet in JBoss :( View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4247762#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...