Hello, I m using Jboss4.2 with eclipse jee 3.3.2 version, when I try to run my web application I get this error: could not publish to the server java.lang.NullPointerException I searched a lot about this issue in the net, but I didnt find any information to how resolve my problem. Note that i can access my jboss http:/localhost:8080/ when i start it, but i dont know what wrong. thanks in advance. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4141650#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...