ArgumentError in Devise :: RegistrationsController # create без трассировки приложения или параметров

Question

Я нахожу это действительно странным, поэтому я надеюсь, что кто-то может мне помочь. Я использую Завещание, и моя модель определяется пользователь следующим образом:

class User < ActiveRecord::Base 
    devise :database_authenticatable, 
     :registerable, 
     :token_authenticatable, 
     :recoverable, 
     :rememberable, 
     :trackable, 
     :validatable 

     # Setup accessible (or protected) attributes for your model 
     attr_accessible :email, :password, :password_confirmation 
     attr_accessible :authentication_token 
    en 

Когда я пытаюсь подписать новый пользователь, я получаю следующее сообщение об ошибке:

ArgumentError

Это ISN» t очень полезно, потому что он не предоставляет никакой другой информации.

Вот параметры:

{"utf8"=>"✓", 
"authenticity_token"=>"9VwmXYwBHEvdDxuPmyHu6tjcKeM6QoBtz6Y4ipBTtjQ=", 
"user"=>{"email"=>"jeremy@[redacted].ca", 
"password"=>"[FILTERED]", 
"password_confirmation"=>"[FILTERED]"}, 
"commit"=>"Sign up"} 

Ниже трассировки стека, надеюсь, кто-то может иметь смысл его.

bcrypt-ruby (3.0.1) lib/bcrypt.rb:160:in `create' 
devise (2.2.3) lib/devise/models/database_authenticatable.rb:110:in `password_digest' 
devise (2.2.3) lib/devise/models/database_authenticatable.rb:37:in `password=' 
activerecord (3.2.12) lib/active_record/attribute_assignment.rb:85:in `block in assign_attributes' 
activerecord (3.2.12) lib/active_record/attribute_assignment.rb:78:in `each' 
activerecord (3.2.12) lib/active_record/attribute_assignment.rb:78:in `assign_attributes' 
activerecord (3.2.12) lib/active_record/base.rb:497:in `initialize' 
devise (2.2.3) lib/devise/models/registerable.rb:20:in `new' 
devise (2.2.3) lib/devise/models/registerable.rb:20:in `new_with_session' 
devise (2.2.3) app/controllers/devise/registrations_controller.rb:87:in `build_resource' 
devise (2.2.3) app/controllers/devise/registrations_controller.rb:13:in `create' 
actionpack (3.2.12) lib/action_controller/metal/implicit_render.rb:4:in `send_action' 
actionpack (3.2.12) lib/abstract_controller/base.rb:167:in `process_action' 
actionpack (3.2.12) lib/action_controller/metal/rendering.rb:10:in `process_action' 
actionpack (3.2.12) lib/abstract_controller/callbacks.rb:18:in `block in process_action' 
activesupport (3.2.12) lib/active_support/callbacks.rb:436:in `_run__2695083164076933069__process_action__522201399773442049__callbacks' 
activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `__run_callback' 
activesupport (3.2.12) lib/active_support/callbacks.rb:385:in `_run_process_action_callbacks' 
activesupport (3.2.12) lib/active_support/callbacks.rb:81:in `run_callbacks' 
actionpack (3.2.12) lib/abstract_controller/callbacks.rb:17:in `process_action' 
actionpack (3.2.12) lib/action_controller/metal/rescue.rb:29:in `process_action' 
actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:30:in `block in process_action' 
activesupport (3.2.12) lib/active_support/notifications.rb:123:in `block in instrument' 
activesupport (3.2.12) lib/active_support/notifications/instrumenter.rb:20:in `instrument' 
activesupport (3.2.12) lib/active_support/notifications.rb:123:in `instrument' 
actionpack (3.2.12) lib/action_controller/metal/instrumentation.rb:29:in `process_action' 
actionpack (3.2.12) lib/action_controller/metal/params_wrapper.rb:207:in `process_action' 
activerecord (3.2.12) lib/active_record/railties/controller_runtime.rb:18:in `process_action' 
actionpack (3.2.12) lib/abstract_controller/base.rb:121:in `process' 
actionpack (3.2.12) lib/abstract_controller/rendering.rb:45:in `process' 
actionpack (3.2.12) lib/action_controller/metal.rb:203:in `dispatch' 
actionpack (3.2.12) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch' 
actionpack (3.2.12) lib/action_controller/metal.rb:246:in `block in action' 
actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:73:in `call' 
actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:73:in `dispatch' 
actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:36:in `call' 
actionpack (3.2.12) lib/action_dispatch/routing/mapper.rb:42:in `call' 
journey (1.0.4) lib/journey/router.rb:68:in `block in call' 
journey (1.0.4) lib/journey/router.rb:56:in `each' 
journey (1.0.4) lib/journey/router.rb:56:in `call' 
actionpack (3.2.12) lib/action_dispatch/routing/route_set.rb:601:in `call' 
warden (1.2.1) lib/warden/manager.rb:35:in `block in call' 
warden (1.2.1) lib/warden/manager.rb:34:in `catch' 
warden (1.2.1) lib/warden/manager.rb:34:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call' 
rack (1.4.5) lib/rack/etag.rb:23:in `call' 
rack (1.4.5) lib/rack/conditionalget.rb:35:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/head.rb:14:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/params_parser.rb:21:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/flash.rb:242:in `call' 
rack (1.4.5) lib/rack/session/abstract/id.rb:210:in `context' 
rack (1.4.5) lib/rack/session/abstract/id.rb:205:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/cookies.rb:341:in `call' 
activerecord (3.2.12) lib/active_record/query_cache.rb:64:in `call' 
activerecord (3.2.12) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call' 
activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `_run__1001537658589897327__call__4072859572188315975__callbacks' 
activesupport (3.2.12) lib/active_support/callbacks.rb:405:in `__run_callback' 
activesupport (3.2.12) lib/active_support/callbacks.rb:385:in `_run_call_callbacks' 
activesupport (3.2.12) lib/active_support/callbacks.rb:81:in `run_callbacks' 
actionpack (3.2.12) lib/action_dispatch/middleware/callbacks.rb:27:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/reloader.rb:65:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/remote_ip.rb:31:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call' 
railties (3.2.12) lib/rails/rack/logger.rb:32:in `call_app' 
railties (3.2.12) lib/rails/rack/logger.rb:16:in `block in call' 
activesupport (3.2.12) lib/active_support/tagged_logging.rb:22:in `tagged' 
railties (3.2.12) lib/rails/rack/logger.rb:16:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/request_id.rb:22:in `call' 
rack (1.4.5) lib/rack/methodoverride.rb:21:in `call' 
rack (1.4.5) lib/rack/runtime.rb:17:in `call' 
activesupport (3.2.12) lib/active_support/cache/strategy/local_cache.rb:72:in `call' 
rack (1.4.5) lib/rack/lock.rb:15:in `call' 
actionpack (3.2.12) lib/action_dispatch/middleware/static.rb:62:in `call' 
railties (3.2.12) lib/rails/engine.rb:479:in `call' 
railties (3.2.12) lib/rails/application.rb:223:in `call' 
railties (3.2.12) lib/rails/railtie/configurable.rb:30:in `method_missing' 

Answer 1

Проблема заключается в том, что значение config.stretches в config/initializers/devise.rb слишком высока (он не может быть выше, чем 31). Измените его на меньшее значение, и все будет работать снова.

Итак, как я понял это? Вот как:

Из трассировки стека, вы можете увидеть, что функция, которая бросает ArgumentError в Bcrypt-рубина:

def create(secret, options = { :cost => BCrypt::Engine::DEFAULT_COST }) 
    raise ArgumentError if options[:cost] > 31 
    Password.new(BCrypt::Engine.hash_secret(secret, BCrypt::Engine.generate_salt(options[:cost]), options[:cost])) 
end 

Итак, проблема заключается в том, что Разрабатывают посылает стоимость выше, чем 31 (это максимально допустимое значение). Давайте посмотрим на вызов Devise (опять же из трассировки стека):

def password_digest(password) 
    ::BCrypt::Password.create("#{password}#{self.class.pepper}", :cost => self.class.stretches).to_s 
end 

И вот как мы находим проблему. :)