you linked me to and I got the message.
The Long and Sordid Tale of the Invoker Servlet
In the file conf/web.xml find a section of text that looks like this:
You need to uncomment the servlet-mapping and then restart Tomcat. Your application should work now....
Please do not shoot the fish in this barrel. But you can shoot at this tiny ad:
Two software engineers solve most of the world's problems in one K&R sized bookhttps://coderanch.com/wiki/718759/books/Building-World-Backyard-Paul-Wheaton