See the eWeek article "Sun Open-Sources More J2EE Tech".
With our Gluecode acquisition last month, clearly we believe that Apache Geronimo ultimately will be the #1 open source web app server, in large part because of the demonstrated strength of the Apache community. A quote from Sun in the article states: "This is just our implementation, our application server, that we are open-sourcing. We're not telling the community what to do. This is a Sun play rather than a community play." I'm not sure in today's world that this will help guarantee success.
Addendum: I want to make it clear that even with the above comment, I think Sun's move to continue to open source these sorts of things is very welcome.[Read More]