I was lucky enough last week [22 March 2010] to moderate a panel at EclipseCon on the future of application servers. The panelists did a great job, but I thought were far too conservative in their views. I agree with them that many customers want evolutionary change from today to future app servers, but I see requirements driving app servers toward radical change. Inevitably.
The changes I see:
Get more value from servers, get responsive, get agile and flexible