Ruby on Rails：无法在生产中退出应用程序
我在Heroku上部署了一个应用程序。 一切正常，除了退出。 当我点击链接退出时，我收到此错误：
“您查找的页面不存在。您可能输错了地址或页面可能已移动。如果您是应用程序所有者，请检查日志以获取更多信息。”
对于用户身份validation，我当然使用设计gem，我有多个解决方案在Stack Overflow上徘徊，但它们都没有为我工作。 看看下面的文件。
Heroku日志：
2014-10-04T18:17:49.022165+00:00 app[web.1]: Started GET "/users/sign_out" for 66.65.108.74 at 2014-10-04 18:17:49 +0000 2014-10-04T18:17:49.027680+00:00 app[web.1]: 2014-10-04T18:17:49.027702+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/railties-4.1.5/lib/rails/rack/logger.rb:20:in `block in call' 2014-10-04T18:17:49.027684+00:00 app[web.1]: ActionController::RoutingError (No route matches [GET] "/users/sign_out"): 2014-10-04T18:17:49.027686+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/actionpack-4.1.5/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call' 2014-10-04T18:17:49.027699+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/actionpack-4.1.5/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call' 2014-10-04T18:17:49.027701+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/railties-4.1.5/lib/rails/rack/logger.rb:38:in `call_app' 2014-10-04T18:17:49.027704+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.5/lib/active_support/tagged_logging.rb:68:in `block in tagged' 2014-10-04T18:17:49.027711+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/rack-1.5.2/lib/rack/runtime.rb:17:in `call' 2014-10-04T18:17:49.027706+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.5/lib/active_support/tagged_logging.rb:68:in `tagged' 2014-10-04T18:17:49.027720+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/rack-1.5.2/lib/rack/content_length.rb:14:in `call' 2014-10-04T18:17:49.027719+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/rack-1.5.2/lib/rack/lock.rb:17:in `call' 2014-10-04T18:17:49.027705+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.5/lib/active_support/tagged_logging.rb:26:in `tagged' 2014-10-04T18:17:49.027708+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/railties-4.1.5/lib/rails/rack/logger.rb:20:in `call' 2014-10-04T18:17:49.027713+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/activesupport-4.1.5/lib/active_support/cache/strategy/local_cache_middleware.rb:26:in `call' 2014-10-04T18:17:49.027710+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/rack-1.5.2/lib/rack/methodoverride.rb:21:in `call' 2014-10-04T18:17:49.027715+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/rack-1.5.2/lib/rack/sendfile.rb:112:in `call' 2014-10-04T18:17:49.027724+00:00 app[web.1]: vendor/ruby-2.1.1/lib/ruby/2.1.0/webrick/httpserver.rb:94:in `run' 2014-10-04T18:17:49.027723+00:00 app[web.1]: vendor/ruby-2.1.1/lib/ruby/2.1.0/webrick/httpserver.rb:138:in `service' 2014-10-04T18:17:49.027714+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/actionpack-4.1.5/lib/action_dispatch/middleware/static.rb:64:in `call' 2014-10-04T18:17:49.027718+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/railties-4.1.5/lib/rails/application.rb:144:in `call' 2014-10-04T18:17:49.027717+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/railties-4.1.5/lib/rails/engine.rb:514:in `call' 2014-10-04T18:17:49.027709+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/actionpack-4.1.5/lib/action_dispatch/middleware/request_id.rb:21:in `call' 2014-10-04T18:17:49.027721+00:00 app[web.1]: vendor/bundle/ruby/2.1.0/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service' 2014-10-04T18:17:49.027725+00:00 app[web.1]: vendor/ruby-2.1.1/lib/ruby/2.1.0/webrick/server.rb:295:in `block in start_thread' 2014-10-04T18:17:49.027727+00:00 app[web.1]: 2014-10-04T18:17:49.027726+00:00 app[web.1]: 路线：
Rails.application.routes.draw do root 'listings#index' devise_for :users resources :listings get 'pages/about' get 'pages/contact' end
导航：
编辑：
耙路：
Prefix Verb URI Pattern Controller#Action root GET / listings#index new_user_session GET /users/sign_in(.:format) devise/sessions#new user_session POST /users/sign_in(.:format) devise/sessions#create destroy_user_session DELETE /users/sign_out(.:format) devise/sessions#destroy user_password POST /users/password(.:format) devise/passwords#create new_user_password GET /users/password/new(.:format) devise/passwords#new edit_user_password GET /users/password/edit(.:format) devise/passwords#edit PATCH /users/password(.:format) devise/passwords#update PUT /users/password(.:format) devise/passwords#update cancel_user_registration GET /users/cancel(.:format) devise/registrations#cancel user_registration POST /users(.:format) devise/registrations#create new_user_registration GET /users/sign_up(.:format) devise/registrations#new edit_user_registration GET /users/edit(.:format) devise/registrations#edit PATCH /users(.:format) devise/registrations#update PUT /users(.:format) devise/registrations#update DELETE /users(.:format) devise/registrations#destroy listings GET /listings(.:format) listings#index POST /listings(.:format) listings#create new_listing GET /listings/new(.:format) listings#new edit_listing GET /listings/:id/edit(.:format) listings#edit listing GET /listings/:id(.:format) listings#show PATCH /listings/:id(.:format) listings#update PUT /listings/:id(.:format) listings#update DELETE /listings/:id(.:format) listings#destroy pages_about GET /pages/about(.:format) pages#about pages_contact GET /pages/contact(.:format) pages#contact
它可能与jQuery有关。
在任何其他条目之前，请务必在application.js文件（app / assets / javascripts / application.js）中包含以下行：
//= require jquery //= require jquery_ujs
快速解决方法是更改devise.rb初始化程序（config / initializers / devise.rb）上的signout方法：
config.sign_out_via = :get