This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I added tomcat-util.jar to the class path and that made it work (it contains the codec class)
<!-- We need the Catalina jars for Tomcat -->
<!-- * for other app servers - check the docs -->