Don't bother. It is many times larger and slower than any of the frameworks listed. Their code is also broken in "interesting" ways and there are lots of undo

Don't bother. It is many times larger and slower than any of the frameworks listed. Their code is also broken in "interesting" ways and there are lots of undocumented and semi-documented gotchas. It got enterprise traction because they were early to the game and promised MVC. They were pretty good for a while, but the other frameworks have passed them by.