can run up the server after update to 2.3.2

my rails version was 2.2.2 and I turn 2.3.2 last night with gem update and rake rails:freeze:edge. unfortunately I got a problem when I restart my server.

a error when I script/server

./script/../config/../vendor/rails/railties/lib/rails/plugin.rb:1:in `require': no such file to load -- active_support/core_ext/kernel/reporting (LoadError)   from ./script/../config/../vendor/rails/railties/lib/rails/plugin.rb:1   from ./script/../config/../vendor/rails/railties/lib/rails/plugin/loader.rb:1:in `require'   from ./script/../config/../vendor/rails/railties/lib/rails/plugin/loader.rb:1   from ./script/../config/../vendor/rails/railties/lib/initializer.rb:9:in `require'   from ./script/../config/../vendor/rails/railties/lib/initializer.rb:9   from ./script/../config/boot.rb:45:in `require'   from ./script/../config/boot.rb:45:in `load_initializer'   from ./script/../config/boot.rb:38:in `run'   from ./script/../config/boot.rb:11:in `boot!'   from ./script/../config/boot.rb:110   from script/server:2:in `require'   from script/server:2

and I tried to run rake rails:update, also a problem.

rake aborted! undefined method `mattr_accessor' for ActiveSupport::Dependencies:Module /home/ning/blank/Rakefile:4

Do you have any idea waht's going wrong?