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On May 27, 2011, at 12:56 AM, John <[email protected]> wrote:

> When i start the server "rails s",following error message appears:
> 
> 
> => Booting WEBrick
> => Rails 3.0.7 application starting in development on http://0.0.0.0:3000
> => Call with -d to detach
> => Ctrl-C to shutdown server
> Exiting
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:167:in
>  `default_controller_and_action': missing :controller (ArgumentError)
>       from

You're missing your default controller. Have you deleted controllers from this 
app?

> amrit@ubuntu:~/check$ cd
> amrit@ubuntu:~$ cd demo
> amrit@ubuntu:~/demo$ rails s
> => Booting WEBrick
> => Rails 3.0.7 application starting in development on http://0.0.0.0:3000
> => Call with -d to detach
> => Ctrl-C to shutdown server
> [2011-05-27 01:43:28] INFO  WEBrick 1.3.1
> [2011-05-27 01:43:28] INFO  ruby 1.8.7 (2010-01-10) [i486-linux]
> [2011-05-27 01:43:33] INFO  WEBrick::HTTPServer#start: pid=2101 port=3000
> 
> 

Your check folder does not have a complete rails app in it where as your demo 
folder does. 

B.

> Started GET "/posts" for 127.0.0.1 at Fri May 27 01:43:39 -0400 2011
>   Processing by PostsController#index as HTML
>   Post Load (74.2ms)  SELECT `posts`.* FROM `posts`
> Rendered posts/index.html.erb within layouts/application (25.9ms)
> Completed 200 OK in 177ms (Views: 52.6ms | ActiveRecord: 74.2ms)
> ^Z
> [1]+  Stopped                 rails s
> amrit@ubuntu:~/demo$ clear
> 
> amrit@ubuntu:~/demo$ cd 
> amrit@ubuntu:~$ cd checkk
> bash: cd: checkk: No such file or directory
> amrit@ubuntu:~$ cd check
> amrit@ubuntu:~/check$ rails s
> => Booting WEBrick
> => Rails 3.0.7 application starting in development on http://0.0.0.0:3000
> => Call with -d to detach
> => Ctrl-C to shutdown server
> Exiting
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:167:in
>  `default_controller_and_action': missing :controller (ArgumentError)
>       from 
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:72:in
>  `normalize_options!'
>       from 
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:55:in
>  `initialize'
>       from 
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:272:in
>  `new'
>       from 
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:272:in
>  `match'
>       from 
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:1173:in
>  `match'
>       from 
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/mapper.rb:1360:in
>  `match'
>       from /home/amrit/check/config/routes.rb:8
>       from 
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/route_set.rb:233:in
>  `instance_exec'
>       from 
> /usr/lib/ruby/gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/routing/route_set.rb:233:in
>  `draw'
>       from /home/amrit/check/config/routes.rb:1
>       from 
> /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:235:in
>  `load'
>       from 
> /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:235:in
>  `load'
>       from 
> /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:225:in
>  `load_dependency'
>       from 
> /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:596:in
>  `new_constants_in'
>       from 
> /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:225:in
>  `load_dependency'
>       from 
> /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:235:in
>  `load'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application.rb:127:in 
> `reload_routes!'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application.rb:127:in 
> `each'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application.rb:127:in 
> `reload_routes!'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application.rb:120
>       from 
> /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.7/lib/active_support/file_update_checker.rb:32:in
>  `call'
>       from 
> /usr/lib/ruby/gems/1.8/gems/activesupport-3.0.7/lib/active_support/file_update_checker.rb:32:in
>  `execute_if_updated'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application/finisher.rb:51
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application/finisher.rb:52:in
>  `call'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application/finisher.rb:52
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/initializable.rb:25:in 
> `instance_exec'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/initializable.rb:25:in 
> `run'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/initializable.rb:50:in 
> `run_initializers'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/initializable.rb:49:in 
> `each'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/initializable.rb:49:in 
> `run_initializers'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application.rb:134:in 
> `initialize!'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application.rb:77:in 
> `send'
>       from 
> /usr/lib/ruby/gems/1.8/gems/railties-3.0.7/lib/rails/application.rb:77:in 
> `method_missing'
>       from /home/amrit/check/config/environment.rb:5
>       from /home/amrit/check/config.ru:3:in `require'
>       from /home/amrit/check/config.ru:3
>       from /usr/lib/ruby/gems/1.8/gems/rack-1.2.2/lib/rack/builder.rb:46:in 
> `instance_eval'
>       from /usr/lib/ruby/gems/1.8/gems/rack-1.2.2/lib/rack/builder.rb:46:in 
> `initialize'
>       from /home/amrit/check/config.ru:1:in `new'
>       from /home/amrit/check/config.ru:1
> 
> 
> John
> -- 
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