###前提・実現したいこと
mooovi2というアプリを練習で作っているのですが、devise gemを導入したら、サーバーがたちあがらなくなりました。
具体的にはrails g model userと間違ってしてしまったので
rails destroy model user
として
rails g devise user をしました。
gem deviseのbundle install はできています。
マイグレーションを実行すると、データベースのcreateのファイルができずにadd_columnのファイルができてしまいます。
これ以上自分でやると、余計エラーが増える気がして質問しました。
お力をお貸しください。お願いいたします。
###発生している問題・エラーメッセージ
rails sをすると MacBook-Air-2:mooovi2 mochigome$ rails s => Booting WEBrick => Rails 4.2.5 application starting in development on http://localhost:3000 => Run `rails server -h` for more startup options => Ctrl-C to shutdown server Exiting /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/inflector/methods.rb:261:in `const_get': uninitialized constant User (NameError) from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/inflector/methods.rb:261:in `block in constantize' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/inflector/methods.rb:259:in `each' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/inflector/methods.rb:259:in `inject' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/inflector/methods.rb:259:in `constantize' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise.rb:301:in `get' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise/mapping.rb:81:in `to' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise/mapping.rb:76:in `modules' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise/mapping.rb:93:in `routes' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise/mapping.rb:160:in `default_used_route' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise/mapping.rb:70:in `initialize' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise.rb:331:in `new' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise.rb:331:in `add_mapping' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise/rails/routes.rb:241:in `block in devise_for' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise/rails/routes.rb:240:in `each' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/devise-4.2.0/lib/devise/rails/routes.rb:240:in `devise_for' from /Users/mochigome/projects/TECH_CAMP/mooovi2/config/routes.rb:2:in `block in <top (required)>' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/actionpack-4.2.5/lib/action_dispatch/routing/route_set.rb:434:in `instance_exec' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/actionpack-4.2.5/lib/action_dispatch/routing/route_set.rb:434:in `eval_block' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/actionpack-4.2.5/lib/action_dispatch/routing/route_set.rb:412:in `draw' from /Users/mochigome/projects/TECH_CAMP/mooovi2/config/routes.rb:1:in `<top (required)>' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application/routes_reloader.rb:40:in `block in load_paths' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application/routes_reloader.rb:40:in `each' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application/routes_reloader.rb:40:in `load_paths' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application/routes_reloader.rb:16:in `reload!' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application/routes_reloader.rb:26:in `block in updater' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-4.2.5/lib/active_support/file_update_checker.rb:75:in `execute' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application/routes_reloader.rb:27:in `updater' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application/routes_reloader.rb:7:in `execute_if_updated' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application/finisher.rb:69:in `block in <module:Finisher>' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `instance_exec' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:30:in `run' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:55:in `block in run_initializers' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:228:in `block in tsort_each' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:431:in `each_strongly_connected_component_from' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:349:in `block in each_strongly_connected_component' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `each' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `call' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:347:in `each_strongly_connected_component' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:226:in `tsort_each' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/2.3.0/tsort.rb:205:in `tsort_each' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/initializable.rb:54:in `run_initializers' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/application.rb:352:in `initialize!' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/railtie.rb:194:in `public_send' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/railtie.rb:194:in `method_missing' from /Users/mochigome/projects/TECH_CAMP/mooovi2/config/environment.rb:5:in `<top (required)>' from /Users/mochigome/projects/TECH_CAMP/mooovi2/config.ru:3:in `block in <main>' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.5/lib/rack/builder.rb:55:in `instance_eval' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.5/lib/rack/builder.rb:55:in `initialize' from /Users/mochigome/projects/TECH_CAMP/mooovi2/config.ru:in `new' from /Users/mochigome/projects/TECH_CAMP/mooovi2/config.ru:in `<main>' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.5/lib/rack/builder.rb:49:in `eval' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.5/lib/rack/builder.rb:49:in `new_from_string' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.5/lib/rack/builder.rb:40:in `parse_file' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.5/lib/rack/server.rb:299:in `build_app_and_options_from_config' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.5/lib/rack/server.rb:208:in `app' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:61:in `app' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-1.6.5/lib/rack/server.rb:336:in `wrapped_app' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:139:in `log_to_stdout' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/server.rb:78:in `start' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:80:in `block in server' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `tap' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:75:in `server' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands/commands_tasks.rb:39:in `run_command!' from /Users/mochigome/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-4.2.5/lib/rails/commands.rb:17:in `<top (required)>' from bin/rails:4:in `require' from bin/rails:4:in `<main>' となってしまいます。
###試したこと
http://chen-katze.blogspot.jp/2015/05/rails-server.html
このサイトの解決方法を試したのですが、うまくいきません。
回答2件
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