I use http://sparkjava.com http://sparkjava.com in my hobby project. It mostly does what I want, but I had to hack it a bit to be able to stream responses. It's

I use http://sparkjava.com http://sparkjava.com in my hobby project. It mostly does what I want, but I had to hack it a bit to be able to stream responses. It's also crazy fast and about as lightweight as these things get.