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PORouting Error uninitialized constant Users
 

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  1. PORouting Error uninitialized constant Users
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    <p>I am a rails newbie... I am trying to set up Sign in with facebook for a demo app. I am using OmniAuth and following this tutorial </p> <p><a href="https://github.com/plataformatec/devise/wiki/OmniAuth:-Overview">https://github.com/plataformatec/devise/wiki/OmniAuth:-Overview</a></p> <p>I get this error when redirecting to fB:</p> <pre><code> Routing Error: uninitialized constant Users Try running rake routes for more information on available routes. </code></pre> <p><strong>Environment</strong></p> <pre><code>Windows 7 Rails version :3.2.9.rc2 omniauth-1.1.1 devise-2.1.2 </code></pre> <p>My routes.rb looks like this:</p> <pre><code> root :to =&gt; 'static_pages#home' resources :users get "static_pages/home" match '/auth/facebook' =&gt; 'omniauth#passthru' match '/users/auth/facebook' =&gt; 'users/omniauth_callbacks#passthru' devise_for :users, :controllers =&gt; { :omniauth_callbacks =&gt; "users/omniauth_callbacks" } , :strategy_class =&gt; OmniAuth::Strategies::Facebook </code></pre> <p>devise.rb contains:</p> <pre><code>require 'devise/orm/active_record' require 'omniauth-facebook' config.omniauth_path_prefix = "/users/auth" config.omniauth :facebook, "ABC", "XYZ",{:client_options =&gt; { :ssl =&gt; { :verify =&gt; false } }} </code></pre> <p>And OmniAuthController contains: i.e. app/controllers/omniauth_callbacks_controller.rb</p> <pre><code>class Users::OmniauthCallbacksController &lt; Devise::OmniauthCallbacksController def facebook # You need to implement the method below in your model (e.g. app/models/user.rb) @user = User.find_for_facebook_oauth(request.env["omniauth.auth"], current_user) if @user.persisted? sign_in_and_redirect @user, :event =&gt; :authentication #this will throw if @user is not activated set_flash_message(:notice, :success, :kind =&gt; "Facebook") if is_navigational_format? else session["devise.facebook_data"] = request.env["omniauth.auth"] #redirect_to new_user_registration_url redirect_to "static_pages_home" end end def passthru render :file =&gt; "#{Rails.root}/public/404.html", :status =&gt; 404, :layout =&gt; false # Or alternatively, # raise ActionController::RoutingError.new('Not Found') end end </code></pre> <p>The model User.rb contains:</p> <pre><code>class User &lt; ActiveRecord::Base # Include default devise modules. Others available are: # :token_authenticatable, :confirmable, # :lockable, :timeoutable and :omniauthable devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable, :validatable # Setup accessible (or protected) attributes for your model attr_accessible :email, :password, :password_confirmation, :remember_me attr_accessible :date_of_birth, :firstName, :lastName, :mailId, :phone, :provider, :uid devise :omniauthable protected def self.find_for_facebook_oauth(auth, signed_in_resource=nil) user = User.find(:provider =&gt; auth.provider, :uid =&gt; auth.uid).first unless user user = User.create(name:auth.extra.raw_info.name, provider:auth.provider, uid:auth.uid, email:auth.info.email, password:Devise.friendly_token[0,20] ) end user end def self.new_with_session(params, session) super.tap do |user| if data = session["devise.facebook_data"] &amp;&amp; session["devise.facebook_data"]["extra"]["raw_info"] user.email = data["email"] if user.email.blank? end end end end </code></pre> <p>Trace:</p> <p>Started GET "/users/auth/facebook" for 127.0.0.1 at 2012-11-23 22:39:32 -0800 (facebook) Callback phase initiated.</p> <p>Started GET "/users/auth/facebook/callback?</p> <pre><code>state=XYZ&amp;code=ABC" for 127.0.0.1 at 2012-11-23 22:39:33 -0800 ActionController::RoutingError (uninitialized constant Users): activesupport (3.2.9.rc2) lib/active_support/inflector/methods.rb:230:in `block in constantize' activesupport (3.2.9.rc2) lib/active_support/inflector/methods.rb:229:in `each' activesupport (3.2.9.rc2) lib/active_support/inflector/methods.rb:229:in `constantize' actionpack (3.2.9.rc2) lib/action_dispatch/routing/route_set.rb:69:in `controller_reference' actionpack (3.2.9.rc2) lib/action_dispatch/routing/route_set.rb:54:in `controller' actionpack (3.2.9.rc2) lib/action_dispatch/routing/route_set.rb:32:in `call' actionpack (3.2.9.rc2) 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 (3.2.9.rc2) lib/action_dispatch/routing/route_set.rb:600:in `call' omniauth (1.1.1) lib/omniauth/strategy.rb:394:in `call_app!' omniauth (1.1.1) lib/omniauth/strategy.rb:356:in `callback_phase' omniauth-oauth2 (1.1.1) lib/omniauth/strategies/oauth2.rb:77:in `callback_phase' omniauth (1.1.1) lib/omniauth/strategy.rb:219:in `callback_call' omniauth (1.1.1) lib/omniauth/strategy.rb:175:in `call!' omniauth (1.1.1) lib/omniauth/strategy.rb:157: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 (3.2.9.rc2) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call' rack (1.4.1) lib/rack/etag.rb:23:in `call' rack (1.4.1) lib/rack/conditionalget.rb:25:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/head.rb:14:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/params_parser.rb:21:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/flash.rb:242:in `call' rack (1.4.1) lib/rack/session/abstract/id.rb:205:in `context' rack (1.4.1) lib/rack/session/abstract/id.rb:200:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/cookies.rb:341:in `call' activerecord (3.2.9.rc2) lib/active_record/query_cache.rb:64:in `call' activerecord (3.2.9.rc2) lib/active_record/connection_adapters/abstract/connection_pool.rb:479:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/callbacks.rb:28:in `block in call' activesupport (3.2.9.rc2) lib/active_support/callbacks.rb:405:in `_run__959081092__call__942932381__callbacks' activesupport (3.2.9.rc2) lib/active_support/callbacks.rb:405:in `__run_callback' activesupport (3.2.9.rc2) lib/active_support/callbacks.rb:385:in `_run_call_callbacks' activesupport (3.2.9.rc2) lib/active_support/callbacks.rb:81:in `run_callbacks' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/callbacks.rb:27:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/reloader.rb:65:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/remote_ip.rb:31:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/debug_exceptions.rb:16:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call' railties (3.2.9.rc2) lib/rails/rack/logger.rb:32:in `call_app' railties (3.2.9.rc2) lib/rails/rack/logger.rb:16:in `block in call' activesupport (3.2.9.rc2) lib/active_support/tagged_logging.rb:22:in `tagged' railties (3.2.9.rc2) lib/rails/rack/logger.rb:16:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/request_id.rb:22:in `call' rack (1.4.1) lib/rack/methodoverride.rb:21:in `call' rack (1.4.1) lib/rack/runtime.rb:17:in `call' activesupport (3.2.9.rc2) lib/active_support/cache/strategy/local_cache.rb:72:in `call' rack (1.4.1) lib/rack/lock.rb:15:in `call' actionpack (3.2.9.rc2) lib/action_dispatch/middleware/static.rb:62:in `call' railties (3.2.9.rc2) lib/rails/engine.rb:479:in `call' railties (3.2.9.rc2) lib/rails/application.rb:223:in `call' rack (1.4.1) lib/rack/content_length.rb:14:in `call' railties (3.2.9.rc2) lib/rails/rack/log_tailer.rb:17:in `call' rack (1.4.1) lib/rack/handler/webrick.rb:59:in `service' c:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service' c:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run' c:/RailsInstaller/Ruby1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread' Rendered c:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-3.2.9.rc2/lib/action_dispatch/middleware/templates/rescues/ ing_error.erb within rescues/layout (0.0ms) </code></pre>
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    1. This table or related slice is empty.
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    1. USamit modi
    1. USamit modi
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    1. This table or related slice is empty.
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      1. PORouting Error uninitialized constant Users
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    2. VO
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    1. COCan you provide the trace?
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      1. USuday
    2. COThis is an exact duplicate of [this question](http://stackoverflow.com/questions/6912542/routingerror-uninitialized-constatnt). Try searching for your error next time :) If you want your controller named `Users::OmniauthCallbacksController` then it needs to be in `app/controllers/users/omniauth_callbacks_controller.rb`. If you don't want nested folders for your controllers then simply name your controller `class OmniauthCallbacksController < Devise::OmniauthCallbacksController`
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      1. USAshitaka
    3. CO@uDaY: I have added the trace...
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