For those getting the above problem (which should actually show the error that 5.0 generics can't be used ) change Tomcat's web.xml to read: <init-param> | <param-name>compilerTargetVM</param-name> | <param-value>1.5</param-value> | </init-param> | <init-param> | <param-name>compilerSourceVM</param-name> | <param-value>1.5</param-value> | </init-param> Under the JSP servlet def. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4058581#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...