使用Cucumber + Webrat和Button不会给我带来任何连接错误

And I press \"Save\"

No connection could be made because the target machine actively refused it. - connect(2) (Errno::ECONNREFUSED)

C:/Ruby187/lib/ruby/1.8/net/http.rb:560:in `initialize\'
C:/Ruby187/lib/ruby/1.8/net/http.rb:560:in `open\'
C:/Ruby187/lib/ruby/1.8/net/http.rb:560:in `connect\'
C:/Ruby187/lib/ruby/1.8/timeout.rb:53:in `timeout\'
C:/Ruby187/lib/ruby/1.8/timeout.rb:101:in `timeout\'
C:/Ruby187/lib/ruby/1.8/net/http.rb:560:in `connect\'
C:/Ruby187/lib/ruby/1.8/net/http.rb:553:in `do_start\'
C:/Ruby187/lib/ruby/1.8/net/http.rb:542:in `start\'
C:/Ruby187/lib/ruby/1.8/net/http.rb:1035:in `request\'
C:/Ruby187/lib/ruby/1.8/net/http.rb:845:in `post\'
C:/Ruby187/lib/ruby/1.8/benchmark.rb:308:in `realtime\'

- semantic_form_for current_user, :html => { :multipart => true } do |f| .actionbuttonbar
    %p.actionbutton
      = f.submit \'Save\', { :class => \"actionbutton\" }