Answer to both questions: I don't know.
Haven't looked much at jikes.
In the past there was a big difference, sun's licence
didn't allow to redistribute a jdk (just a jre which
has no compiler).
So people who wanted to distribute JSP's applications
without precompiled pages used jikes. But
- First make shure that you don't have memory leaks on your own.
- Make shure that you store as few data in sessions as possible.
Remember that the sessions stay around for 30 minutes after the
last action in the action. (30 minutes is the default for the
session timeout). This way the
