Article:
  Deploying Web Applications to Tomcat
Subject:   Output of login.jsp
Date:   2004-01-10 17:40:56
From:   anonymous2
Response to: Output of login.jsp

In the web.xml file in the conf directory you need to uncomment two parts the deal with the invoker (just search for it). The first is a <servlet> block and the second is a <servlet-mapping> block. I don't know why this isn't left uncommented to begin with. Restart tomcat and try again.