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Devise

Deviseとは、Ruby-on-Railsの認証機能を追加するプラグインです。

Ruby on Rails 4

Ruby on Rails4はRubyによって書かれたオープンソースのウェブフレームワークです。 Ruby on Railsは「設定より規約」の原則に従っており、効率的に作業を行うために再開発を行う必要をなくしてくれます。

Q&A

解決済

2回答

1599閲覧

rails s を実行したいです

yu-198

総合スコア4

Devise

Deviseとは、Ruby-on-Railsの認証機能を追加するプラグインです。

Ruby on Rails 4

Ruby on Rails4はRubyによって書かれたオープンソースのウェブフレームワークです。 Ruby on Railsは「設定より規約」の原則に従っており、効率的に作業を行うために再開発を行う必要をなくしてくれます。

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投稿2020/02/03 09:14

編集2020/02/05 05:07

前提・実現したいこと

rails sを実行させたいです。

このエラー文は他のアプリケーションでrails sをしてもなってしまいます。

すごく長いエラー文ですいません
誰か教えてくださるとすごく助かります
よろしくお願い致します。

発生している問題・エラーメッセージ

rails sを実行した際にエラー文が表示されます。

rails sの実行結果 Booting Puma => Rails 5.2.4.1 application starting in development => Run `rails server -h` for more startup options Exiting Traceback (most recent call last): 81: from bin/rails:3:in `<main>' 80: from bin/rails:3:in `load' 79: from /vagrant/mevius/bin/spring:15:in `<top (required)>' 78: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require' 77: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require' 76: from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `<top (required)>' 75: from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/binstub.rb:11:in `load' 74: from /var/lib/gems/2.5.0/gems/spring-2.1.0/bin/spring:49:in `<top (required)>' 73: from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/client.rb:30:in `run' 72: from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/client/command.rb:7:in `call' 71: from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `call' 70: from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/client/rails.rb:28:in `load' 69: from /vagrant/mevius/bin/rails:9:in `<top (required)>' 68: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require' 67: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi' 66: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register' 65: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi' 64: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require' 63: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/commands.rb:18:in `<top (required)>' 62: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/command.rb:46:in `invoke' 61: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/command/base.rb:69:in `perform' 60: from /var/lib/gems/2.5.0/gems/thor-1.0.1/lib/thor.rb:392:in `dispatch' 59: from /var/lib/gems/2.5.0/gems/thor-1.0.1/lib/thor/invocation.rb:127:in `invoke_command' 58: from /var/lib/gems/2.5.0/gems/thor-1.0.1/lib/thor/command.rb:27:in `run' 57: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/commands/server/server_command.rb:142:in `perform' 56: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/commands/server/server_command.rb:142:in `tap' 55: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/commands/server/server_command.rb:147:in `block in perform' 54: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/commands/server/server_command.rb:51:in `start' 53: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/commands/server/server_command.rb:89:in `log_to_stdout' 52: from /var/lib/gems/2.5.0/gems/rack-2.1.2/lib/rack/server.rb:424:in `wrapped_app' 51: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/commands/server/server_command.rb:27:in `app' 50: from /var/lib/gems/2.5.0/gems/rack-2.1.2/lib/rack/server.rb:251:in `app' 49: from /var/lib/gems/2.5.0/gems/rack-2.1.2/lib/rack/server.rb:351:in `build_app_and_options_from_config' 48: from /var/lib/gems/2.5.0/gems/rack-2.1.2/lib/rack/builder.rb:40:in `parse_file' 47: from /var/lib/gems/2.5.0/gems/rack-2.1.2/lib/rack/builder.rb:59:in `load_file' 46: from /var/lib/gems/2.5.0/gems/rack-2.1.2/lib/rack/builder.rb:65:in `new_from_string' 45: from /var/lib/gems/2.5.0/gems/rack-2.1.2/lib/rack/builder.rb:65:in `eval' 44: from config.ru:in `<main>' 43: from config.ru:in `new' 42: from /var/lib/gems/2.5.0/gems/rack-2.1.2/lib/rack/builder.rb:71:in `initialize' 41: from /var/lib/gems/2.5.0/gems/rack-2.1.2/lib/rack/builder.rb:71:in `instance_eval' 40: from config.ru:3:in `block in <main>' 39: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:48:in `require_relative' 38: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require' 37: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi' 36: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register' 35: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi' 34: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require' 33: from /vagrant/mevius/config/environment.rb:5:in `<top (required)>' 32: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/application.rb:361:in `initialize!' 31: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:60:in `run_initializers' 30: from /usr/lib/ruby/2.5.0/tsort.rb:205:in `tsort_each' 29: from /usr/lib/ruby/2.5.0/tsort.rb:226:in `tsort_each' 28: from /usr/lib/ruby/2.5.0/tsort.rb:347:in `each_strongly_connected_component' 27: from /usr/lib/ruby/2.5.0/tsort.rb:347:in `call' 26: from /usr/lib/ruby/2.5.0/tsort.rb:347:in `each' 25: from /usr/lib/ruby/2.5.0/tsort.rb:349:in `block in each_strongly_connected_component' 24: from /usr/lib/ruby/2.5.0/tsort.rb:415:in `each_strongly_connected_component_from' 23: from /usr/lib/ruby/2.5.0/tsort.rb:415:in `call' 22: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:50:in `tsort_each_child' 21: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:50:in `each' 20: from /usr/lib/ruby/2.5.0/tsort.rb:421:in `block in each_strongly_connected_component_from' 19: from /usr/lib/ruby/2.5.0/tsort.rb:431:in `each_strongly_connected_component_from' 18: from /usr/lib/ruby/2.5.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from' 17: from /usr/lib/ruby/2.5.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component' 16: from /usr/lib/ruby/2.5.0/tsort.rb:228:in `block in tsort_each' 15: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:61:in `block in run_initializers' 14: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:32:in `run' 13: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:32:in `instance_exec' 12: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:619:in `block in <class:Engine>' 11: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:619:in `each' 10: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:620:in `block (2 levels) in <class:Engine>' 9: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:662:in `load_config_initializer' 8: from /var/lib/gems/2.5.0/gems/activesupport-5.2.4.1/lib/active_support/notifications.rb:170:in `instrument' 7: from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:663:in `block in load_config_initializer' 6: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:54:in `load' 5: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:54:in `load' 4: from /vagrant/mevius/config/initializers/devise.rb:5:in `<top (required)>' 3: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/active_support.rb:58:in `load_missing_constant' 2: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/active_support.rb:79:in `rescue in load_missing_constant' 1: from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/active_support.rb:8:in `without_bootsnap_cache' /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/active_support.rb:79:in `block in load_missing_constant': uninitialized constant Devise (NameError)

試したこと

uninitialized constant Devise (NameError)とエラー文が出たのでdeviseがうまく入っていないと思い
確認したところdevise (4.7.1)は入っていました。

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回答2

0

>確認したところdevise (4.7.1)は入っていました。
とありますが、何を確認したのでしょうか?

Gemfileに記述し、bundle install し、そのあとrails g devise:install が必要ですが、行いましたか?

投稿2020/02/07 09:03

winterboum

総合スコア23347

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yu-198

2020/02/07 10:13

行いました。 rails g devise installをするとエラーが出てしまいます。 rails g devise:install /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/active_support.rb:79:in `block in load_missing_constant': uninitialized constant Devise (NameError) from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/active_support.rb:8:in `without_bootsnap_cache' from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/active_support.rb:79:in `rescue in load_missing_constant' from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/active_support.rb:58:in `load_missing_constant' from /vagrant/mevius/config/initializers/devise.rb:5:in `<top (required)>' from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:54:in `load' from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:54:in `load' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:663:in `block in load_config_initializer' from /var/lib/gems/2.5.0/gems/activesupport-5.2.4.1/lib/active_support/notifications.rb:170:in `instrument' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:662:in `load_config_initializer' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:620:in `block (2 levels) in <class:Engine>' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:619:in `each' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/engine.rb:619:in `block in <class:Engine>' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:32:in `instance_exec' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:32:in `run' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:61:in `block in run_initializers' from /usr/lib/ruby/2.5.0/tsort.rb:228:in `block in tsort_each' from /usr/lib/ruby/2.5.0/tsort.rb:350:in `block (2 levels) in each_strongly_connected_component' from /usr/lib/ruby/2.5.0/tsort.rb:422:in `block (2 levels) in each_strongly_connected_component_from' from /usr/lib/ruby/2.5.0/tsort.rb:431:in `each_strongly_connected_component_from' from /usr/lib/ruby/2.5.0/tsort.rb:421:in `block in each_strongly_connected_component_from' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:50:in `each' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:50:in `tsort_each_child' from /usr/lib/ruby/2.5.0/tsort.rb:415:in `call' from /usr/lib/ruby/2.5.0/tsort.rb:415:in `each_strongly_connected_component_from' from /usr/lib/ruby/2.5.0/tsort.rb:349:in `block in each_strongly_connected_component' from /usr/lib/ruby/2.5.0/tsort.rb:347:in `each' from /usr/lib/ruby/2.5.0/tsort.rb:347:in `call' from /usr/lib/ruby/2.5.0/tsort.rb:347:in `each_strongly_connected_component' from /usr/lib/ruby/2.5.0/tsort.rb:226:in `tsort_each' from /usr/lib/ruby/2.5.0/tsort.rb:205:in `tsort_each' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/initializable.rb:60:in `run_initializers' from /var/lib/gems/2.5.0/gems/railties-5.2.4.1/lib/rails/application.rb:361:in `initialize!' from /vagrant/mevius/config/environment.rb:5:in `<top (required)>' from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require' from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `block in require_with_bootsnap_lfi' from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register' from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require_with_bootsnap_lfi' from /var/lib/gems/2.5.0/gems/bootsnap-1.4.5/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require' from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/application.rb:106:in `preload' from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/application.rb:157:in `serve' from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/application.rb:145:in `block in run' from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/application.rb:139:in `loop' from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/application.rb:139:in `run' from /var/lib/gems/2.5.0/gems/spring-2.1.0/lib/spring/application/boot.rb:19:in `<top (required)>' from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require' from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require' from -e:1:in `<main>'
winterboum

2020/02/07 10:36

「Gemfileに記述し、bundle install し」 もしたのでしょうか?
yu-198

2020/02/07 10:49

はい、しました!!
winterboum

2020/02/07 10:53

Gemfile見せてください
winterboum

2020/02/07 12:59

見た所私には問題があるようには思えません。お手上げ寸前。 念の為、springを停止してやり直してみてください
guest

0

自己解決

vagrantを入れ直したら直りました。

投稿2020/04/19 08:38

編集2020/04/19 08:39
yu-198

総合スコア4

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