Also...
a) gem install rails <- did that
b) upgrade RAILS_ENV to 2.2.2 <- u probably mean RAILS_GEM_VERSION =
'2.2.2' unless defined? RAILS_GEM_VERSION ?
c) rake rails:update <- did that
d) check the routes file for correctness <- they are working normally
(i.e. when deploying directly to the DocumentRoot)
e) run your application locally using mongrel <- works