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POLoadError in Users::OmniauthCallbacksController#facebook - Rails 4
 

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  1. POLoadError in Users::OmniauthCallbacksController#facebook - Rails 4
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    <p>well, I am trying to code a system that uses facebook login. When I click on the facebook link it goes to facebook page for authentication and on the callback show me this error: Unable to autoload constant Users::OmniauthCallbacksController, expected <em>path</em>/app/controllers/users/omniauth_callbacks_controller.rb to define it. I am using devise gem, omniauth gem, ruby 2 and rails 4.</p> <p>My <strong>user_controller.rb</strong></p> <pre><code>class User::OmniauthCallbacksController &lt; Devise::OmniauthCallbacksController def facebook @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 end end end </code></pre> <p><strong>My user.rb</strong></p> <pre><code>class User &lt; ActiveRecord::Base devise :database_authenticatable, :registerable, :recoverable, :rememberable, :trackable, :validatable, :omniauthable def self.find_for_facebook_oauth(auth, signed_in_resource = nil) user = User.where(:provider =&gt; auth.provider, :uid =&gt; auth.uid).first if user return user else registered_user = User.where(:email =&gt; auth.info.email).first if registered_user return registered_user else 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 end end end </code></pre> <p>On <strong>routes.rb</strong> I have this line:</p> <pre><code>devise_for :users, :controllers =&gt; { :omniauth_callbacks =&gt; 'users/omniauth_callbacks' } </code></pre> <p>The Full Trace is this:</p> <pre><code>activesupport (4.0.0) lib/active_support/dependencies.rb:463:in `load_missing_constant' activesupport (4.0.0) lib/active_support/dependencies.rb:183:in `const_missing' activesupport (4.0.0) lib/active_support/inflector/methods.rb:228:in `const_get' activesupport (4.0.0) lib/active_support/inflector/methods.rb:228:in `block in constantize' activesupport (4.0.0) lib/active_support/inflector/methods.rb:224:in `each' activesupport (4.0.0) lib/active_support/inflector/methods.rb:224:in `inject' activesupport (4.0.0) lib/active_support/inflector/methods.rb:224:in `constantize' activesupport (4.0.0) lib/active_support/dependencies.rb:534:in `get' activesupport (4.0.0) lib/active_support/dependencies.rb:565:in `constantize' actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:76:in `controller_reference' actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:66:in `controller' actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:44:in `call' actionpack (4.0.0) lib/action_dispatch/routing/mapper.rb:44:in `call' actionpack (4.0.0) lib/action_dispatch/journey/router.rb:71:in `block in call' actionpack (4.0.0) lib/action_dispatch/journey/router.rb:59:in `each' actionpack (4.0.0) lib/action_dispatch/journey/router.rb:59:in `call' actionpack (4.0.0) lib/action_dispatch/routing/route_set.rb:655:in `call' omniauth (1.1.4) lib/omniauth/strategy.rb:184:in `call!' omniauth (1.1.4) lib/omniauth/strategy.rb:164:in `call' omniauth (1.1.4) lib/omniauth/strategy.rb:184:in `call!' omniauth (1.1.4) lib/omniauth/strategy.rb:164:in `call' omniauth (1.1.4) lib/omniauth/strategy.rb:401:in `call_app!' omniauth (1.1.4) lib/omniauth/strategy.rb:363:in `callback_phase' omniauth-oauth2 (1.1.1) lib/omniauth/strategies/oauth2.rb:77:in `callback_phase' omniauth (1.1.4) lib/omniauth/strategy.rb:226:in `callback_call' omniauth (1.1.4) lib/omniauth/strategy.rb:182:in `call!' omniauth (1.1.4) lib/omniauth/strategy.rb:164:in `call' warden (1.2.3) lib/warden/manager.rb:35:in `block in call' warden (1.2.3) lib/warden/manager.rb:34:in `catch' warden (1.2.3) lib/warden/manager.rb:34:in `call' rack (1.5.2) lib/rack/etag.rb:23:in `call' rack (1.5.2) lib/rack/conditionalget.rb:25:in `call' rack (1.5.2) lib/rack/head.rb:11:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/params_parser.rb:27:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/flash.rb:241:in `call' rack (1.5.2) lib/rack/session/abstract/id.rb:225:in `context' rack (1.5.2) lib/rack/session/abstract/id.rb:220:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/cookies.rb:486:in `call' activerecord (4.0.0) lib/active_record/query_cache.rb:36:in `call' activerecord (4.0.0) lib/active_record/connection_adapters/abstract/connection_pool.rb:626:in `call' activerecord (4.0.0) lib/active_record/migration.rb:369:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call' activesupport (4.0.0) lib/active_support/callbacks.rb:373:in `_run__878755641__call__callbacks' activesupport (4.0.0) lib/active_support/callbacks.rb:80:in `run_callbacks' actionpack (4.0.0) lib/action_dispatch/middleware/callbacks.rb:27:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/reloader.rb:64:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/remote_ip.rb:76:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call' railties (4.0.0) lib/rails/rack/logger.rb:38:in `call_app' railties (4.0.0) lib/rails/rack/logger.rb:21:in `block in call' activesupport (4.0.0) lib/active_support/tagged_logging.rb:67:in `block in tagged' activesupport (4.0.0) lib/active_support/tagged_logging.rb:25:in `tagged' activesupport (4.0.0) lib/active_support/tagged_logging.rb:67:in `tagged' railties (4.0.0) lib/rails/rack/logger.rb:21:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/request_id.rb:21:in `call' rack (1.5.2) lib/rack/methodoverride.rb:21:in `call' rack (1.5.2) lib/rack/runtime.rb:17:in `call' activesupport (4.0.0) lib/active_support/cache/strategy/local_cache.rb:83:in `call' rack (1.5.2) lib/rack/lock.rb:17:in `call' actionpack (4.0.0) lib/action_dispatch/middleware/static.rb:64:in `call' railties (4.0.0) lib/rails/engine.rb:511:in `call' railties (4.0.0) lib/rails/application.rb:97:in `call' rack (1.5.2) lib/rack/lock.rb:17:in `call' rack (1.5.2) lib/rack/content_length.rb:14:in `call' rack (1.5.2) lib/rack/handler/webrick.rb:60:in `service' C:/Development/Ruby200/lib/ruby/2.0.0/webrick/httpserver.rb:138:in `service' C:/Development/Ruby200/lib/ruby/2.0.0/webrick/httpserver.rb:94:in `run' C:/Development/Ruby200/lib/ruby/2.0.0/webrick/server.rb:295:in `block in start_thread' </code></pre> <p>So that's my problem I hope someone can help me.</p> <p><strong>EDIT:</strong> rather than what I implied to, my callbacks controller is called omniauth_callbacks_controller.rb. 1. As <strong><em>sevenseacat</em></strong> suggested I changed the reference from <strong>users</strong> to <strong>user</strong> on my route file, but the problem still happened. 2. As <strong>*uno_ordinary*</strong> suggested I added <strong>:omniauth_providers => :facebook</strong> on my model but after that I received a new error when starting the server:</p> <pre><code>=&gt; Booting WEBrick =&gt; Rails 4.0.0 application starting in development on http://0.0.0.0:3000 =&gt; Run `rails server -h` for more startup options =&gt; Ctrl-C to shutdown server Exiting C:3:in `rescue in execute_if_updated': Rails::Application::RoutesReloader#execute_if_updated delegated to updater.execute_if_updated, but updater is nil: #&lt;Rails::Application::RoutesReloader:0x4375db8 @paths=["C:/Users/Diogo de Lima/Documents/Development/Ruby on Rails/Rhodnius/config/routes.rb"], @route_sets=[#&lt;ActionDispatch::Routing::RouteSet:0x449da98&gt;]&gt; (RuntimeError) from C:131071:in `execute_if_updated' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/finisher.rb:69:in `block in &lt;module:Finisher&gt;' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `instance_exec' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `run' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:55:in `block in run_initializers' from C:/Development/Ruby200/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each' from C:/Development/Ruby200/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_component' from C:/Development/Ruby200/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from' from C:/Development/Ruby200/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component' from C:/Development/Ruby200/lib/ruby/2.0.0/tsort.rb:180:in `each' from C:/Development/Ruby200/lib/ruby/2.0.0/tsort.rb:180:in `each_strongly_connected_component' from C:/Development/Ruby200/lib/ruby/2.0.0/tsort.rb:148:in `tsort_each' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:54:in `run_initializers' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application.rb:215:in `initialize!' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:30:in `method_missing' from C:/Users/Diogo de Lima/Documents/Development/Ruby on Rails/Rhodnius/config/environment.rb:5:in `&lt;top (required)&gt;' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require' from C:/Users/Diogo de Lima/Documents/Development/Ruby on Rails/Rhodnius/config.ru:3:in `block in &lt;main&gt;' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize' from C:/Users/Diogo de Lima/Documents/Development/Ruby on Rails/Rhodnius/config.ru:in `new' from C:/Users/Diogo de Lima/Documents/Development/Ruby on Rails/Rhodnius/config.ru:in `&lt;main&gt;' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/server.rb:199:in `app' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands/server.rb:48:in `app' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands/server.rb:75:in `start' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:78:in `block in &lt;top (required)&gt;' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap' from C:/Development/Ruby200/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `&lt;top (required)&gt;' from bin/rails:4:in `require' from bin/rails:4:in `&lt;main&gt;' </code></pre>
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