Matt Raible, seasoned presenter and experienced web developer gives a great comparison of various JVM web frameworks in this vJUG session. Interestingly, Matt compares various other stats which many reviews do not, such as interest in the jobs market around each framework. Well, I guess if there’s no interest tomorrow in the framework you’re just writing legacy code!
Matt also refers to the Curious Coders Guide to Java Web Frameworks, by RebelLabs!
Slides are also available on slideshare: