Hello I''m having some issues with MySQL losing it''s connection, or undefined class User on Windows XP. I use Login and UserEngine. Rails 1.0/1.1, MySQL 4. MySQL problem (one of them): Mysql::Error: Lost connection to MySQL server during query: UPDATE sessions SET `data` = ''BAh7CiINcHJldl91cmkiCi90ZWFtOg1sYW5ndWFnZSIKcGwtUEwiDnJldHVy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\nbmdzVG9NYW55QXNzb2NpYXRpb24LOhBAcmVmbGVjdGlvbm86NEFjdGl2ZV Jl\nY29yZDo6UmVmbGVjdGlvbjo6QXNzb2NpYXRpb25SZWZsZWN0aW9uDjoNQG9w\ndGlvbnN7BjoPam9pbl90YWJsZSIQdXNlcnNfcm9sZXM6FkBwcmltYXJ5X2tl\neV9uYW1lIgx1c2VyX2lkOhhAdGhyb3VnaF9yZWZsZWN0aW9uRjoLQG1hY3Jv\nOhxoYXNfYW5kX2JlbG9uZ3NfdG9fbWFueTodQGFzc29jaWF0aW9uX2ZvcmVp\nZ25fa2V5Igxyb2xlX2lkOhBAY2xhc3NfbmFtZSIJUm9sZToLQGtsYXNzYwlS\nb2xlOgpAbmFtZToKcm9sZXM6E0BhY3RpdmVfcmVjb3JkYwlVc2VyOgxAdGFy\nZ2V0WwdvOglSb2xlBjsJewwiCW5hbWUiCkFkbWluIg9vbW5pcG90ZW50IgYx\nIgxyb2xlX2lkIgYyIgdpZCIGMiIQZGVzY3JpcHRpb24iOFRoZSBzeXN0ZW0g\nYWRtaW5pc3RyYXRvciwgd2l0aCBSRUFMIFVMVElNQVRFIFBPV0VSLiIMdXNl\ncl9pZCIGMSIQc3lzdGVtX3JvbGUiBjFvOx0GOwl7DEA9IglVc2VyQD8iBjBA\nQSIGM0BDIgYzQEUiLVRoZSBkZWZhdWx0IHJvbGUgZm9yIGFsbCBsb2dnZWQt\naW4gdXNlcnNARyIGMUBJIgYxOgtAb3duZXJACjoOQGpvaW5fc3FsIj1JTk5F\nUiBKT0lOIHVzZXJzX3JvbGVzIE9OIHJvbGVzLmlkID0gdXNlcnNfcm9sZXMu\ncm9sZV9pZDoMQGxvYWRlZFQ6EEBmaW5kZXJfc3FsIh11c2Vyc19yb2xlcy51\nc2VyX2lkID0gMSA6DEBlcnJvcnNvOhlBY3RpdmVSZWNvcmQ6OkVycm9ycwc6\nCkBiYXNlQAo7InsAIgpmbGFzaElDOidBY3Rpb25Db250cm9sbGVyOjpG bGFz\naDo6Rmxhc2hIYXNoewAGOgpAdXNlZHsA\n'', `session_id` = ''5c2069031b5a093352540af5026f5367'', `updated_at` = ''2006-03-28 16:01:21'' WHERE id = 963 Undefined class problem: ArgumentError in <controller not set>#<action not set> undefined class/module User RAILS_ROOT: ./script/../config/.. Application Trace | Framework Trace | Full Trace C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:81:in `dump'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:81:in `marshal'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:133:in `marshal_data!'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/callbacks.rb:333:in `callback'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/callbacks.rb:330:in `callback'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/callbacks.rb:248:in `create_or_update'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/base.rb:1388:in `save_without_validation'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/validations.rb:724:in `save_without_transactions'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:126:in `save'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/connection_adapters/abstract/database_statements.rb:51:in `transaction'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:91:in `transaction'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:118:in `transaction'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:126:in `save'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:307:in `update'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/base.rb:794:in `silence'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:307:in `update'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:314:in `close'' C:/ruby/lib/ruby/1.8/cgi/session.rb:166:in `callback'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:121:in `segment_name'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:103:in `next_segment'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:160:in `finish'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:137:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:132:in `continue'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:99:in `move_forward'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:92:in `if_next_matches'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:79:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:136:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:132:in `continue'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:161:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:177:in `assign_result'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:99:in `move_forward'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:177:in `assign_result'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:161:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:155:in `recognition_check'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:155:in `recognition_check'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:160:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:136:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:132:in `continue'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:99:in `move_forward'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:92:in `if_next_matches'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:79:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:136:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:346:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:498:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:602:in `each'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:496:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:495:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:597:in `draw'' #{RAILS_ROOT}/config/routes.rb:1 -e:3 C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:81:in `dump'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:81:in `marshal'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:133:in `marshal_data!'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/callbacks.rb:333:in `callback'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/callbacks.rb:330:in `callback'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/callbacks.rb:248:in `create_or_update'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/base.rb:1388:in `save_without_validation'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/validations.rb:724:in `save_without_transactions'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:126:in `save'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/connection_adapters/abstract/database_statements.rb:51:in `transaction'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:91:in `transaction'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:118:in `transaction'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:126:in `save'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:307:in `update'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/base.rb:794:in `silence'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:307:in `update'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:314:in `close'' C:/ruby/lib/ruby/1.8/cgi/session.rb:166:in `callback'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:121:in `segment_name'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:103:in `next_segment'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:160:in `finish'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:137:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:132:in `continue'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:99:in `move_forward'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:92:in `if_next_matches'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:79:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:136:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:132:in `continue'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:161:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:177:in `assign_result'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:99:in `move_forward'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:177:in `assign_result'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:161:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:155:in `recognition_check'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:155:in `recognition_check'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:160:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:136:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:132:in `continue'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:99:in `move_forward'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:92:in `if_next_matches'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:79:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:136:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:346:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:498:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:602:in `each'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:496:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:495:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:597:in `draw'' C:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.0/lib/active_support/dependencies.rb:129:in `load'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:574:in `reload'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/dispatcher.rb:67:in `prepare_application'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/dispatcher.rb:37:in `dispatch'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/webrick_server.rb:115:in `handle_dispatch'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/webrick_server.rb:81: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_thread'' C:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start'' 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-1.1.0/lib/webrick_server.rb:67:in `dispatch'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/commands/servers/webrick.rb:59 C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in `require'' C:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.0/lib/active_support/dependencies.rb:136:in `require'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/commands/server.rb:30 C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in `require'' C:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.0/lib/active_support/dependencies.rb:136:in `require'' ./script/server:3 C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:81:in `dump'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:81:in `marshal'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:133:in `marshal_data!'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/callbacks.rb:333:in `callback'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/callbacks.rb:330:in `callback'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/callbacks.rb:248:in `create_or_update'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/base.rb:1388:in `save_without_validation'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/validations.rb:724:in `save_without_transactions'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:126:in `save'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/connection_adapters/abstract/database_statements.rb:51:in `transaction'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:91:in `transaction'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:118:in `transaction'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/transactions.rb:126:in `save'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:307:in `update'' C:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.14.0/lib/active_record/base.rb:794:in `silence'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:307:in `update'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/session/active_record_store.rb:314:in `close'' C:/ruby/lib/ruby/1.8/cgi/session.rb:166:in `callback'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:121:in `segment_name'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:103:in `next_segment'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:160:in `finish'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:137:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:132:in `continue'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:99:in `move_forward'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:92:in `if_next_matches'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:79:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:136:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:132:in `continue'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:161:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:177:in `assign_result'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:99:in `move_forward'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:177:in `assign_result'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:161:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:155:in `recognition_check'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:155:in `recognition_check'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:160:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:136:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:132:in `continue'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:99:in `move_forward'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:80:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:92:in `if_next_matches'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:79:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:136:in `go'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:346:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:498:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:602:in `each'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:496:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:19:in `indent'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/code_generation.rb:46:in `method_missing'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:495:in `write_recognition'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:597:in `draw'' #{RAILS_ROOT}/config/routes.rb:1 C:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.0/lib/active_support/dependencies.rb:129:in `load'' C:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.12.0/lib/action_controller/routing.rb:574:in `reload'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/dispatcher.rb:67:in `prepare_application'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/dispatcher.rb:37:in `dispatch'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/webrick_server.rb:115:in `handle_dispatch'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/webrick_server.rb:81: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_thread'' C:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start'' 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-1.1.0/lib/webrick_server.rb:67:in `dispatch'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/commands/servers/webrick.rb:59 C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in `require'' C:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.0/lib/active_support/dependencies.rb:136:in `require'' C:/ruby/lib/ruby/gems/1.8/gems/rails-1.1.0/lib/commands/server.rb:30 C:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in `require'' C:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.3.0/lib/active_support/dependencies.rb:136:in `require'' ./script/server:3 -e:3 This error occured while loading the following files: ./script/../config/../config/routes.rb Request Parameters: None Show session dump --- prev_uri: /team return-to: :language: pl-PL :user: &id001 !ruby/object:User attributes: salt: fef6ce5494878b844ca41c4b4cd81f0b871d290f updated_at: 2006-03-28 16:00:48 +02:00 delete_after: role: security_token: 9c261088a0d4ce817222503bf499c3106c787a7e id: "1" firstname: "Rafa\xC5\x82" lastname: Grabowski description: "" token_expiry: 2006-02-05 19:55:09 deleted: "0" phone: "603110654" verified: "1" login: rgrabowski salted_password: b7f71599ed50ae37c47136f1c35a2e62d42ac05f logged_in_at: 2006-03-28 16:00:48 +02:00 parent_id: position: IT Serivce Manager email: rgrabowski@exorigo.pl created_at: 2006-01-28 22:40:11 errors: !ruby/object:ActiveRecord::Errors base: *id001 errors: {} new_password: false new_record_before_save: roles: - !ruby/object:Role attributes: name: Admin role_id: "2" omnipotent: "1" id: "2" description: The system administrator, with REAL ULTIMATE POWER. user_id: "1" system_role: "1" - !ruby/object:Role attributes: name: User role_id: "3" omnipotent: "0" id: "3" description: The default role for all logged-in users user_id: "1" system_role: "1" flash: !map:ActionController::Flash::FlashHash {} Response Headers: {"cookie"=>[], "Cache-Control"=>"no-cache"} May I ask for help? It is a bit annoying. After refreshing same page few times the problem disappears. I use Webrick in development mode.