The current downloadable for the hello world portlet is based on 2.4 and the configuration files have changed since 2.2. My recommendation is to use 2.4 since you are just now starting out. If you really want to use 2.2, look in the docs to see how to configure the portlet for 2.2. Also, the 2.4 docs have an example of converting a portlet from 2.2 to 2.4, you could infer the reverse direction. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3971573#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...