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@YonasBerhe
Created February 1, 2015 22:23
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Rails S command, while building application.
yonas@yonas:~/Documents/code/MCtut/commandsapp$ rails s
=> Booting WEBrick
=> Rails 4.2.0 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.2.0/lib/active_support/inflector/methods.rb:261:in `const_get': uninitialized constant U (NameError)
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.2.0/lib/active_support/inflector/methods.rb:261:in `block in constantize'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.2.0/lib/active_support/inflector/methods.rb:259:in `each'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.2.0/lib/active_support/inflector/methods.rb:259:in `inject'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.2.0/lib/active_support/inflector/methods.rb:259:in `constantize'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise.rb:302:in `get'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise/mapping.rb:80:in `to'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise/mapping.rb:75:in `modules'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise/mapping.rb:92:in `routes'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise/mapping.rb:159:in `default_used_route'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise/mapping.rb:69:in `initialize'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise.rb:336:in `new'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise.rb:336:in `add_mapping'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise/rails/routes.rb:224:in `block in devise_for'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise/rails/routes.rb:223:in `each'
from /usr/local/lib/ruby/gems/2.1.0/gems/devise-3.4.1/lib/devise/rails/routes.rb:223:in `devise_for'
from /home/yonas/Documents/code/MCtut/commandsapp/config/routes.rb:2:in `block in <top (required)>'
from /usr/local/lib/ruby/gems/2.1.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:423:in `instance_exec'
from /usr/local/lib/ruby/gems/2.1.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:423:in `eval_block'
from /usr/local/lib/ruby/gems/2.1.0/gems/actionpack-4.2.0/lib/action_dispatch/routing/route_set.rb:401:in `draw'
from /home/yonas/Documents/code/MCtut/commandsapp/config/routes.rb:1:in `<top (required)>'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/application/routes_reloader.rb:40:in `block in load_paths'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/application/routes_reloader.rb:40:in `each'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/application/routes_reloader.rb:40:in `load_paths'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/application/routes_reloader.rb:16:in `reload!'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/application/routes_reloader.rb:26:in `block in updater'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.2.0/lib/active_support/file_update_checker.rb:75:in `call'
from /usr/local/lib/ruby/gems/2.1.0/gems/activesupport-4.2.0/lib/active_support/file_update_checker.rb:75:in `execute'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/application/routes_reloader.rb:27:in `updater'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/application/routes_reloader.rb:7:in `execute_if_updated'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/application/finisher.rb:69:in `block in <module:Finisher>'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/initializable.rb:30:in `instance_exec'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/initializable.rb:30:in `run'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/initializable.rb:55:in `block in run_initializers'
from /usr/local/lib/ruby/2.1.0/tsort.rb:226:in `block in tsort_each'
from /usr/local/lib/ruby/2.1.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component'
from /usr/local/lib/ruby/2.1.0/tsort.rb:427:in `each_strongly_connected_component_from'
from /usr/local/lib/ruby/2.1.0/tsort.rb:347:in `block in each_strongly_connected_component'
from /usr/local/lib/ruby/2.1.0/tsort.rb:345:in `each'
from /usr/local/lib/ruby/2.1.0/tsort.rb:345:in `call'
from /usr/local/lib/ruby/2.1.0/tsort.rb:345:in `each_strongly_connected_component'
from /usr/local/lib/ruby/2.1.0/tsort.rb:224:in `tsort_each'
from /usr/local/lib/ruby/2.1.0/tsort.rb:205:in `tsort_each'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/initializable.rb:54:in `run_initializers'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/application.rb:352:in `initialize!'
from /home/yonas/Documents/code/MCtut/commandsapp/config/environment.rb:5:in `<top (required)>'
from /home/yonas/Documents/code/MCtut/commandsapp/config.ru:3:in `block in <main>'
from /usr/local/lib/ruby/gems/2.1.0/gems/rack-1.6.0/lib/rack/builder.rb:55:in `instance_eval'
from /usr/local/lib/ruby/gems/2.1.0/gems/rack-1.6.0/lib/rack/builder.rb:55:in `initialize'
from /home/yonas/Documents/code/MCtut/commandsapp/config.ru:in `new'
from /home/yonas/Documents/code/MCtut/commandsapp/config.ru:in `<main>'
from /usr/local/lib/ruby/gems/2.1.0/gems/rack-1.6.0/lib/rack/builder.rb:49:in `eval'
from /usr/local/lib/ruby/gems/2.1.0/gems/rack-1.6.0/lib/rack/builder.rb:49:in `new_from_string'
from /usr/local/lib/ruby/gems/2.1.0/gems/rack-1.6.0/lib/rack/builder.rb:40:in `parse_file'
from /usr/local/lib/ruby/gems/2.1.0/gems/rack-1.6.0/lib/rack/server.rb:299:in `build_app_and_options_from_config'
from /usr/local/lib/ruby/gems/2.1.0/gems/rack-1.6.0/lib/rack/server.rb:208:in `app'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/commands/server.rb:61:in `app'
from /usr/local/lib/ruby/gems/2.1.0/gems/rack-1.6.0/lib/rack/server.rb:336:in `wrapped_app'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/commands/server.rb:139:in `log_to_stdout'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/commands/server.rb:78:in `start'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:80:in `block in server'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:75:in `tap'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:75:in `server'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
from /usr/local/lib/ruby/gems/2.1.0/gems/railties-4.2.0/lib/rails/commands.rb:17:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
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