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Ruby on Rails

Ruby on Railsは、オープンソースのWebアプリケーションフレームワークです。「同じことを繰り返さない」というRailsの基本理念のもと、他のフレームワークより少ないコードで簡単に開発できるよう設計されています。

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rails s が上手くいかないです。

Yuki0531

総合スコア11

Ruby on Rails

Ruby on Railsは、オープンソースのWebアプリケーションフレームワークです。「同じことを繰り返さない」というRailsの基本理念のもと、他のフレームワークより少ないコードで簡単に開発できるよう設計されています。

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投稿2020/06/16 12:05

編集2020/06/16 13:11

$ bundle exec rails s
をターミナルで実行すると、以下のメッセージが出てきて上手く行きません。。。

Traceback (most recent call last): 46: from bin/rails:4:in `<main>' 45: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require' 44: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency' 43: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `block in require' 42: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require' 41: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi' 40: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register' 39: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi' 38: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require' 37: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/commands.rb:18:in `<main>' 36: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/command.rb:46:in `invoke' 35: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/command/base.rb:65:in `perform' 34: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor.rb:392:in `dispatch' 33: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/invocation.rb:127:in `invoke_command' 32: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/thor-1.0.1/lib/thor/command.rb:27:in `run' 31: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/commands/server/server_command.rb:142:in `perform' 30: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/commands/server/server_command.rb:142:in `tap' 29: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/railties-5.2.3/lib/rails/commands/server/server_command.rb:145:in `block in perform' 28: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require' 27: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency' 26: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `block in require' 25: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require' 24: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi' 23: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register' 22: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi' 21: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require' 20: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/config/application.rb:7:in `<main>' 19: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler.rb:114:in `require' 18: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:65:in `require' 17: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:65:in `each' 16: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:76:in `block in require' 15: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:76:in `each' 14: from /Users/naganoyuki/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/bundler-2.0.2/lib/bundler/runtime.rb:81:in `block (2 levels) in require' 13: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require' 12: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi' 11: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register' 10: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi' 9: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require' 8: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/mysql2-0.5.3/lib/mysql2.rb:36:in `<main>' 7: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `require' 6: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:257:in `load_dependency' 5: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/activesupport-5.2.3/lib/active_support/dependencies.rb:291:in `block in require' 4: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:31:in `require' 3: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:22:in `require_with_bootsnap_lfi' 2: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/loaded_features_index.rb:92:in `register' 1: from /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `block in require_with_bootsnap_lfi' /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/bootsnap-1.4.6/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:23:in `require': dlopen(/Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/mysql2-0.5.3/lib/mysql2/mysql2.bundle, 9): Library not loaded: /usr/local/opt/mysql/lib/libmysqlclient.21.dylib (LoadError) Referenced from: /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/mysql2-0.5.3/lib/mysql2/mysql2.bundle Reason: image not found - /Users/naganoyuki/Desktop/Vessel_Trade_Queen/vendor/bundle/ruby/2.6.0/gems/mysql2-0.5.3/lib/mysql2/mysql2.bundle

以下説明を参考にしたのですが、それでも上手く行きませんでした。。。
https://qiita.com/yamazaki8934/items/48e65850873f3ecbee26

<追記>
Railアプリの作成の際、MYSQLを指定しました。
$ rails new Vessel_Trade_Queen -d mysql

また、rubyとrailsのバージョンは以下です。
ruby 2.6.3p62
Rails 5.2.3

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technocore

2020/06/16 12:41

エラーメッセージよりも、あなたが実施したruby/rails/mysqlの インストール・設定手順、バージョンを書きましょう。 その方が問題点が早く見つかると思います。
Yuki0531

2020/06/16 13:56

アドバイスをありがとうございます! ruby/rails/mysqlのインストール・設定手順、バージョンを追記いたします。
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自己解決

以下ページを参照して解決しました。
https://qiita.com/Yuki0531/items/5fb5531e1f40db92d3d1

投稿2020/06/20 09:42

Yuki0531

総合スコア11

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