未定義的方法`cookie_expiration」的零：NilClass

Question

得到一個無方法錯誤，同時使用間隙進行身份驗證，我試圖用sign_up 間隙（0.11.1） 軌3.0.7 紅寶石1.8.7 創建一個用戶在Windows XP上。

activesupport (3.0.7) lib/active_support/whiny_nil.rb:48:in `method_missing' 
clearance (0.11.1) lib/clearance/authentication.rb:51:in `sign_in' 
clearance (0.11.1) app/controllers/clearance/users_controller.rb:15:in `create' 
actionpack (3.0.7) lib/action_controller/metal/implicit_render.rb:5:in `send_action' 
actionpack (3.0.7) lib/action_controller/metal/implicit_render.rb:5:in `send_action' 
actionpack (3.0.7) lib/abstract_controller/base.rb:150:in `process_action' 
actionpack (3.0.7) lib/action_controller/metal/rendering.rb:11:in `process_action' 
actionpack (3.0.7) lib/abstract_controller/callbacks.rb:18:in `process_action' 
activesupport (3.0.7) lib/active_support/callbacks.rb:443:in `_run__901813995__process_action__524098549__callbacks' 
activesupport (3.0.7) lib/active_support/callbacks.rb:410:in `send' 
activesupport (3.0.7) lib/active_support/callbacks.rb:410:in `_run_process_action_callbacks' 
activesupport (3.0.7) lib/active_support/callbacks.rb:94:in `send' 
activesupport (3.0.7) lib/active_support/callbacks.rb:94:in `run_callbacks' 
actionpack (3.0.7) lib/abstract_controller/callbacks.rb:17:in `process_action' 
actionpack (3.0.7) lib/action_controller/metal/instrumentation.rb:30:in `process_action' 
activesupport (3.0.7) lib/active_support/notifications.rb:52:in `instrument' 
activesupport (3.0.7) lib/active_support/notifications/instrumenter.rb:21:in `instrument' 
activesupport (3.0.7) lib/active_support/notifications.rb:52:in `instrument' 
actionpack (3.0.7) lib/action_controller/metal/instrumentation.rb:29:in `process_action' 
actionpack (3.0.7) lib/action_controller/metal/rescue.rb:17:in `process_action' 
actionpack (3.0.7) lib/abstract_controller/base.rb:119:in `process' 
actionpack (3.0.7) lib/abstract_controller/rendering.rb:41:in `process' 
actionpack (3.0.7) lib/action_controller/metal.rb:138:in `dispatch' 
actionpack (3.0.7) lib/action_controller/metal/rack_delegation.rb:14:in `dispatch' 
actionpack (3.0.7) lib/action_controller/metal.rb:178:in `action' 
actionpack (3.0.7) lib/action_dispatch/routing/route_set.rb:62:in `call' 
actionpack (3.0.7) lib/action_dispatch/routing/route_set.rb:62:in `dispatch' 
actionpack (3.0.7) lib/action_dispatch/routing/route_set.rb:27:in `call' 
rack-mount (0.6.14) lib/rack/mount/route_set.rb:148:in `call' 
rack-mount (0.6.14) lib/rack/mount/code_generation.rb:93:in `recognize' 
rack-mount (0.6.14) lib/rack/mount/code_generation.rb:75:in `optimized_each' 
rack-mount (0.6.14) lib/rack/mount/code_generation.rb:92:in `recognize' 
rack-mount (0.6.14) lib/rack/mount/route_set.rb:139:in `call' 
actionpack (3.0.7) lib/action_dispatch/routing/route_set.rb:493:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/best_standards_support.rb:17:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/head.rb:14:in `call' 
rack (1.2.3) lib/rack/methodoverride.rb:24:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/params_parser.rb:21:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/flash.rb:182:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/session/abstract_store.rb:149:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/cookies.rb:302:in `call' 
activerecord (3.0.7) lib/active_record/query_cache.rb:32:in `call' 
activerecord (3.0.7) lib/active_record/connection_adapters/abstract/query_cache.rb:28:in `cache' 
activerecord (3.0.7) lib/active_record/query_cache.rb:12:in `cache' 
activerecord (3.0.7) lib/active_record/query_cache.rb:31:in `call' 
activerecord (3.0.7) lib/active_record/connection_adapters/abstract/connection_pool.rb:354:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/callbacks.rb:46:in `call' 
activesupport (3.0.7) lib/active_support/callbacks.rb:416:in `_run_call_callbacks' 
actionpack (3.0.7) lib/action_dispatch/middleware/callbacks.rb:44:in `call' 
rack (1.2.3) lib/rack/sendfile.rb:107:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/remote_ip.rb:48:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/show_exceptions.rb:47:in `call' 
railties (3.0.7) lib/rails/rack/logger.rb:13:in `call' 
rack (1.2.3) lib/rack/runtime.rb:17:in `call' 
activesupport (3.0.7) lib/active_support/cache/strategy/local_cache.rb:72:in `call' 
rack (1.2.3) lib/rack/lock.rb:11:in `call' 
rack (1.2.3) lib/rack/lock.rb:11:in `synchronize' 
rack (1.2.3) lib/rack/lock.rb:11:in `call' 
actionpack (3.0.7) lib/action_dispatch/middleware/static.rb:30:in `call' 
railties (3.0.7) lib/rails/application.rb:168:in `call' 
railties (3.0.7) lib/rails/application.rb:77:in `send' 
railties (3.0.7) lib/rails/application.rb:77:in `method_missing' 
railties (3.0.7) lib/rails/rack/log_tailer.rb:14:in `call' 
rack (1.2.3) lib/rack/content_length.rb:13:in `call' 
rack (1.2.3) lib/rack/handler/webrick.rb:52:in `service' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/httpserver.rb:104:in `service' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/httpserver.rb:65:in `run' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/server.rb:173:in `start_thread' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/server.rb:162:in `start' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/server.rb:162:in `start_thread' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/server.rb:95:in `start' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/server.rb:92:in `each' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/server.rb:92:in `start' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/server.rb:23:in `start' 
c:/RailsInstaller/Ruby1.8.7/lib/ruby/1.8/webrick/server.rb:82:in `start' 
rack (1.2.3) lib/rack/handler/webrick.rb:13:in `run' 
rack (1.2.3) lib/rack/server.rb:217:in `start' 
railties (3.0.7) lib/rails/commands/server.rb:65:in `start' 
railties (3.0.7) lib/rails/commands.rb:30 
railties (3.0.7) lib/rails/commands.rb:27:in `tap' 
railties (3.0.7) lib/rails/commands.rb:27 
script/rails:6:in `require' 
script/rails:6 

編輯：程式碼：

class ApplicationController < ActionController::Base 
    include Clearance::Authentication 
    protect_from_forgery 
end 

型號：

class User < ActiveRecord::Base 
    include Clearance::User 
end 

HTML ERB

<h2>Sign in</h2> 

<%= form_for :session, :url => session_path do |form| %> 
    <div class="text_field"> 
    <%= form.label :email %> 
    <%= form.text_field :email, :type => "email" %> 
    </div> 
    <div class="text_field"> 
    <%= form.label :password %> 
    <%= form.password_field :password %> 
    </div> 
    <div class="submit_field"> 
    <%= form.submit "Sign in" %> 
    </div> 
<% end %> 

<ul> 
    <li> 
    <%= link_to "Sign up", sign_up_path %> 
    </li> 
    <li> 
    <%= link_to "Forgot password?", new_password_path %> 
    </li> 
</ul> 

Answer 1

刪除並重新安裝間隙寶石，給了一個服務器重啓。

沒有看到錯誤了。