Pj Gen

Sorry to revive this thread but I was also facing the same problem. Solved it but replacing the first part of the web.xml file with the most recent one. I'm currently using tomcat 7. Hope this helps.
<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0" metadata-complete="true">