3.1
Overview
uPortal 3.1 continues with the refactoring initiated for 3.0 and adds new features such as database statistic logging and administrative identity swapper tools.
Requirements
JDK 1.5 or later and will compile and run under JDK6.
Servlet API 2.5
Release Notes
Hangups – Changes in 3.1 that might trip you up
uPortal requires Servlet API 2.5 to run. Tomcat 6.0 is the first version of Tomcat to support Servlet 2.5