Devise_scope - 找不到設計映射路徑「/」

Could not find devise mapping for path "/". This may happen for two reasons: 1) You forgot to wrap your route inside the scope block. For example: devise_scope :user do get "/some/route" => "some_devise_controller" end 2) You are testing a Devise controller bypassing the router. If so, you can explicitly tell Devise which mapping to use: @request.env["devise.mapping"] = Devise.mappings[:user]

當我嘗試去這裏Devise_scope - 找不到設計映射路徑「/」

http://localhost:3000/

在這裏，我得到這個錯誤是路線

devise_scope :user do 
    get '/users/sign_in' => 'devise/sessions#new', as: :new_user_session 
    post '/users/sign_in' => 'devise/sessions#create', as: :user_session 
    delete '/users/sign_out' => 'devise/sessions#destroy', as: :destroy_user_session 

    post '/users/password' => 'devise/passwords#create', as: :user_password 
    put '/users/password' => 'devise/passwords#update', as: nil 
    patch '/users/password' => 'devise/passwords#update', as: nil 
    authenticated :user do 
     root :to => 'home#index', as: :authenticated_root 
    end 
    unauthenticated :user do 
     root :to => 'devise/sessions#new', as: :unauthenticated_root 
    end 

    end

這組我們不知道爲什麼它突然失敗了。關於我的設置（從內存）詳細信息：我做

bundle install

與捏造，寶石

rails g devise user 

rails generate devise:views

我加入development.rb

config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }

而且這條線，我使用導軌4.2.0.beta1和devise 3.3.0從（git =>'https://github.com/plataformatec/devise.git'，：branch =>'lm-rails-4-2'）拉動

來源

2014-10-02 Mike Bean

我做不知道你是否發現了這個問題的答案了，但我相信這是你所需要的...

它修正了這個錯誤我：stackoverflow question/answer

來源

2015-03-05 17:05:27 Sparkmasterflex

範圍塊試着寫的路線。

devise_scope :user do 
    # write all your routes inside this block 
end

來源

2017-01-09 20:54:24

Devise_scope - 找不到設計映射路徑「/」

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