session with oracle

Hi....

I've created the session table with 'rake db:sessions:create' and it's ok but when my application start it doesn't work!! -Ruby version 1.8.6 -Rails version 2.0.2

this is my development.log....

e[4;35;1mSQL (0.000000)e[0m e[0mSELECT version FROM schema_infoe[0m Completed in 0.04700 (21 reqs/sec) | Rendering: 0.00000 (0%) | DB: 0.00000 (0%) | 200 OK [http://127.0.0.1/rails/info/properties\]   e[4;36;1mSQL (0.016000)e[0m e[0;1mselect lower(table_name) from user_tablese[0m /!\ FAILSAFE /!\ Fri Apr 04 12:10:43 +0200 2008   Status: 500 Internal Server Error   undefined local variable or method `generated_methods' for #<Class:0x38551d0>     c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/base.rb:1532:in `method_missing'     c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/base.rb:1118:in `reset_column_information'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/session/active_record_store.rb:104:in `setup_sessid_compatibility!'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/session/active_record_store.rb:79:in `find_by_session_id'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/session/active_record_store.rb:284:in `initialize'     c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.0.2/lib/active_record/base.rb:1198:in `silence'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/session/active_record_store.rb:284:in `initialize'     c:/ruby/lib/ruby/1.8/cgi/session.rb:273:in `new'     c:/ruby/lib/ruby/1.8/cgi/session.rb:273:in `initialize_without_cgi_reader'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/cgi_ext/session.rb:39:in `initialize'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/cgi_process.rb:130:in `new'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/cgi_process.rb:130:in `session'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/cgi_process.rb:166:in `stale_session_check!'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/cgi_process.rb:114:in `session'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:1131:in `assign_shortcuts_without_flash'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/flash.rb:167:in `assign_shortcuts'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:518:in `process_without_filters'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/filters.rb:685:in `process_without_session_management_support'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/session_management.rb:123:in `process'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/base.rb:388:in `process'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:171:in `handle_request'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:115:in `dispatch'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:126:in `dispatch_cgi'     c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:9:in `dispatch'     c:/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2-/lib/webrick_server.rb:112:in `handle_dispatch'     c:/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2-/lib/webrick_server.rb:78:in `service'     c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'     c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'     c:/ruby/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'     c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start'     c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'     c:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start'     c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `each'     c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `start'     c:/ruby/lib/ruby/1.8/webrick/server.rb:23:in `start'     c:/ruby/lib/ruby/1.8/webrick/server.rb:82:in `start'     c:/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2-/lib/webrick_server.rb:62:in `dispatch'     c:/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2-/lib/commands/servers/webrick.rb:66     c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'     c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'     c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:496:in `require'     c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in `new_constants_in'     c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:496:in `require'     c:/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2-/lib/commands/server.rb:39     c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'     c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'     ./script/server:3     -e:2:in `load'     -e:2

tks for help

Tiziano