This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori 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 -->