I looked into it myself. It's such a pain in the
that I decided not to go that route.
If you're running a high-performance, high-throughput production server, it's worth considering, but for development servers and production servers that can stand the lower efficiency of the generic Tomcat system, it's more trouble than it's worth to build and install the accelerator.
The secret of how to be miserable is to constantly expect things are going to happen the way that they are "supposed" to happen.
You can have faith, which carries the understanding that you may be disappointed. Then there's being a willfully-blind idiot, which virtually guarantees it.