Errors with Rails 2.3.2

Hello everyone!

I've done a RoR project using NetBeans IDE, JRuby 1.6, mysql, Glassfish
V 3 Prelude, ActiveRecord 2.2.2 and Rails 2.2.2 and everything worked.
Now I wanted to upgrade Rail's version to 2.3.2.
I downloanded it (with also ActiveRecord 2.3.2) and installed as a gem.
I've also modify /configuration/environment.rb file inserting the line
RAILS_GEM_VERSION = '2.3.2' unless defined? RAILS_GEM_VERSION instead of
the previous version of Rails gem.
When I try to run my project, these errors appear:

Something ( i don't know what) is trying to refer to
ActionController::AbstractRequest which doesn't exists in 2.3.2. At a
guess, something you've got isn't ready for rails 2.3.2