anonymous wrote : Any idea to implement it? | Okay, let me give this a try. anonymous wrote : For my original question, I want to inform end user with a message (webpage) about the upgrading of web application whenever the end user access the web application. | | Does anyone have good idea to accomplish this objective? If we set the error webpage for 404 only in that web application, it won't work when stop/undeploy that web application. If we set the error webpage 404 globally in the whole JBoss, it may lead to wrong message to other application users. | I think this redirection to a custom maintenance page should happen outside the application server, for exactly the reasons you noted above. I guess it could be done by setting up some Apache configurations[1] outside the JBoss AS which will redirect the request to a different URL so that the original request never reaches the JBoss server. [1] I have no clue how this can be done, since i have not looked into such configurations. I might be wrong too, about this being possible with some "Apache configuration" View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4232641#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...