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Ruby

Austin Klenk
Austin Klenk
4,399 Points

Rails Application Server start error

austins-mbp:MTRV_CLOUD serveradmin$ rails s => Booting WEBrick => Rails 4.0.3 application starting in development on http://0.0.0.0:3000 => Run `rails server -h` for more startup options => Ctrl-C to shutdown server Exiting /Users/serveradmin/Development/MTRV_CLOUD/config/initializers/devise.rb:3:in `<top (required)>': uninitialized constant Devise (NameError) from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/engine.rb:609:in `block (2 levels) in <class:Engine>' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/engine.rb:608:in `each' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/engine.rb:608:in `block in <class:Engine>' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/initializable.rb:30:in `instance_exec' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/initializable.rb:30:in `run' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/initializable.rb:55:in `block in run_initializers' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:226:in `block in tsort_each' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_component' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:418:in `block (2 levels) in each_strongly_connected_component_from' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:427:in `each_strongly_connected_component_from' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:417:in `block in each_strongly_connected_component_from' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/initializable.rb:44:in `each' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/initializable.rb:44:in `tsort_each_child' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:411:in `call' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:411:in `each_strongly_connected_component_from' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:347:in `block in each_strongly_connected_component' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:345:in `each' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:345:in `call' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:345:in `each_strongly_connected_component' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:224:in `tsort_each' from /Users/serveradmin/.rbenv/versions/2.1.0/lib/ruby/2.1.0/tsort.rb:205:in `tsort_each' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/initializable.rb:54:in `run_initializers' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/application.rb:215:in `initialize!' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/railtie/configurable.rb:30:in `method_missing' from /Users/serveradmin/Development/MTRV_CLOUD/config/environment.rb:5:in `<top (required)>' from /Users/serveradmin/Development/MTRV_CLOUD/config.ru:3:in `require' from /Users/serveradmin/Development/MTRV_CLOUD/config.ru:3:in `block in <main>' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize' from /Users/serveradmin/Development/MTRV_CLOUD/config.ru:in `new' from /Users/serveradmin/Development/MTRV_CLOUD/config.ru:in `<main>' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_string' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_options_from_config' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:199:in `app' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/commands/server.rb:48:in `app' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/commands/server.rb:75:in `start' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/commands.rb:76:in `block in <top (required)>' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/commands.rb:71:in `tap' from /Users/serveradmin/.rvm/gems/ruby-2.1.1/gems/railties-4.0.3/lib/rails/commands.rb:71:in `<top (required)>' from bin/rails:4:in `require' from bin/rails:4:in `<main>' austins-mbp:MTRV_CLOUD serveradmin$

Have you made tests for everything on your page and made sure that worked?

1 Answer

Maciej Czuchnowski
Maciej Czuchnowski
36,440 Points

Make sure you:

  • have this line in config/application.rb: Bundler.require

  • have gem 'devise' in your Gemfile

  • run bundle install successfully in your app folder