Still not working...here is what I have
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4">
<display-name>Web Application</display-name>
<description>
This is version X.X of an application to perform
a wild and wonderful task, based on
servlets and
JSP pages. It was written by Dave Developer
(dave@mycompany.com), who should be contacted for
more information.
</description>
<context-param>
<param-name>webmaster</param-name>
<param-value>
myaddress@mycompany.com</param-value>
</context-param>
<servlet>
<servlet-name>ShowHeadersServlet</servlet-name>
<servlet-class>com.carljenkins.controller.ShowHeadersServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ShowHeadersServlet</servlet-name>
<url-pattern>/ShowHeadersServlet</url-pattern>
</servlet-mapping>
<session-config>
<session-timeout>30</session-timeout> <!-- 30 minutes -->
</session-config>
</web-app>