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我一直在我的程序中隨處獲取ActiveRecord :: MissingAttributeError錯誤。我有乘客（30個實例）使用nginx運行。我在開發中沒有這個問題。當我刪除緩存資金時，它在生產中可以正常工作。緩存資金ActiveRecord :: MissingAttributeError
這是錯誤消息：
ActiveRecord::MissingAttributeError (missing attribute: deposit_amount):
lib/econveyance_pro/accounting/bsoa.rb:96:in `collect_deposit'
lib/econveyance_pro/accounting/bsoa.rb:24:in `calculate'
app/controllers/accounting_controller.rb:213:in `calculate_buyer_file_accounting'
app/controllers/accounting_controller.rb:175:in `generate_accounting'
app/controllers/accounting_controller.rb:153:in `generate_accounting_and_save'
lib/econveyance_pro/document_manager.rb:18:in `temporary_tables_xml'
lib/econveyance_pro/document_manager.rb:17:in `each'
lib/econveyance_pro/document_manager.rb:17:in `temporary_tables_xml'
app/controllers/document_manager_controller.rb:40:in `xml'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/rack/request_handler.rb:92:in `process_request'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_request_handler.rb:207:in `main_loop'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/railz/application_spawner.rb:385:in `start_request_handler'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/railz/application_spawner.rb:343:in `handle_spawn_application'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/utils.rb:184:in `safe_fork'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/railz/application_spawner.rb:341:in `handle_spawn_application'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server.rb:352:in `__send__'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server.rb:352:in `main_loop'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server.rb:196:in `start_synchronously'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server.rb:163:in `start'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/railz/application_spawner.rb:209:in `start'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/spawn_manager.rb:262:in `spawn_rails_application'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server_collection.rb:126:in `lookup_or_add'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/spawn_manager.rb:256:in `spawn_rails_application'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server_collection.rb:80:in `synchronize'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/spawn_manager.rb:255:in `spawn_rails_application'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/spawn_manager.rb:154:in `spawn_application'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/spawn_manager.rb:287:in `handle_spawn_application'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server.rb:352:in `__send__'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server.rb:352:in `main_loop'
/opt/ruby/lib/ruby/gems/1.8/gems/passenger-2.2.8/lib/phusion_passenger/abstract_server.rb:196:in `start_synchronously'
DEPOSIT_AMOUNT不會在我的數據庫存在。