This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Your have not correctly configured your web.xml for the JSP nor the Servlet.
here is an example of how to setup a JSP file in the DD. In particular, you will need to use a <servlet-mapping> element for mapping them to a url pattern.