This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
Did you change anything in JBoss AS? .war are by default picked up by the war deployer. However, this error message suggests that it's not being recognized by that deployer? Do you have a WEB-INF/web.xml in that .war?