I just tested the PortletFactory that was shipped with the Portal 6.1. This PortletFactory is the tool to build portlet for the WAS 6.1 Portal.
It's based on a plugin that can be installed on RAD/existing Eclipse and is shipped with an Eclipse if we don't want to include it in an existing IDE installation. It's running on an IBM WAS CE (Community Edition), an open source version of WAS.
I successfully installed the PortletFactory, but when I try to run the WAS CE, it appears run on a 1.4.2 JDK. I check it and it can run on a SUN 1.4.2 JDK or an IBM 5 JDK. Then I tried to install an IBM JDK 5 to run WAS CE on Java 5. Unfortunnatly, IBM JDK 5 IS LIMITED TO IBM COMPUTER ONLY!!! (it checks the Bios).
Portlet Factory seems great since it offers some flexibility about portlet deployment. Indeed, I can compile a portlet so it's deployed as JSR286 or WSRP2 or Ajax.
The problem is that we want to develop with Eclipse against J5.