It's nice that BEA has caught up with something I've been doing to this server for years, and that Smalltalk has been capable of for decades. Note the breathless "first ever" tone:

BEA Systems plans to release a new version of its flagship application server that will allow upgrades on the fly to mission-critical applications, the company said Tuesday. "Upgrades are now on the fly," CEO Alfred Chuang told approximately 2,000 delegates at the company's users' conference in Santa Clara, Calif. "This is the world's first hot-swappable application server in production. Imagine changing the engine of a race car during the race...this is what we are doing.

Hey Alfred - I've been there and done that for years. Congratulations for making it all the way into the mid 80's, technology wise.