title: I can't launch my Rails server
body: <p>I can't launch my rails server. I googled a lot and i found no solution. I use windows 7. This is the problem:</p>
  
  <p>rails s</p>
  
  <pre><code>&gt; Booting WEBrick
  =&gt; Rails 3.0.5 application starting in development on http://0.0.0.0:3000
  =&gt; Call with -d to detach
  =&gt; Ctrl-C to shutdown server
  Exiting
  C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/application.rb:112:
  in `routes': no such file to load -- action_dispatch/routing/route_set (LoadErro
  r)
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.5/lib/action_con
  troller/railtie.rb:62:in `block in &lt;class:Railtie&gt;'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/initia
  lizable.rb:25:in `instance_exec'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/initia
  lizable.rb:25:in `run'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/initia
  lizable.rb:50:in `block in run_initializers'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/initia
  lizable.rb:49:in `each'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/initia
  lizable.rb:49:in `run_initializers'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/applic
  ation.rb:134:in `initialize!'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/applic
  ation.rb:77:in `method_missing'
          from D:/Facultate/Anul II/Sem 2/TW/RailsServiceTW/config/environment.rb:
  5:in `&lt;top (required)&gt;'
          from D:/Facultate/Anul II/Sem 2/TW/RailsServiceTW/config.ru:3:in `requir
  e'
          from D:/Facultate/Anul II/Sem 2/TW/RailsServiceTW/config.ru:3:in `block
  in &lt;main&gt;'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.2/lib/rack/builder.rb:
  46:in `instance_eval'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.2/lib/rack/builder.rb:
  46:in `initialize'
          from D:/Facultate/Anul II/Sem 2/TW/RailsServiceTW/config.ru:1:in `new'
          from D:/Facultate/Anul II/Sem 2/TW/RailsServiceTW/config.ru:1:in `&lt;main&gt;
  '
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.2/lib/rack/builder.rb:
  35:in `eval'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.2/lib/rack/builder.rb:
  35:in `parse_file'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.2/lib/rack/server.rb:1
  62:in `app'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.2/lib/rack/server.rb:2
  48:in `wrapped_app'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.2/lib/rack/server.rb:2
  13:in `start'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/comman
  ds/server.rb:65:in `start'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/comman
  ds.rb:30:in `block in &lt;top (required)&gt;'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/comman
  ds.rb:27:in `tap'
          from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.5/lib/rails/comman
  ds.rb:27:in `&lt;top (required)&gt;'
          from script/rails:6:in `require'
          from script/rails:6:in `&lt;main&gt;'
  </code></pre>