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Ruby on Rails 5

Ruby on Rails 5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。

Ruby

Rubyはプログラミング言語のひとつで、オープンソース、オブジェクト指向のプログラミング開発に対応しています。

Vagrant

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2258閲覧

【 Rails localhost:3000に繋ぎたい】ドットインストールで学習中

shimada215

総合スコア12

Ruby on Rails 5

Ruby on Rails 5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。

Ruby

Rubyはプログラミング言語のひとつで、オープンソース、オブジェクト指向のプログラミング開発に対応しています。

Vagrant

Vagrantは、VirtualBox上の仮想マシンを コマンドラインから作成してくれるソフトウェアです。 ビルド環境など容易に構築が可能です。

0グッド

1クリップ

投稿2019/02/13 13:07

編集2019/02/14 02:23

前提・実現したいこと

ドットインストールの【Ruby on Rails 5 入門#02動作確認をしてみよう】
を学習中なのですが、http://192.168.33.10:3000 にアクセスするとエラーになります。
ローカル環境は構築済みです。

https://dotinstall.com/lessons/basic_rails_v3/41802

イメージ説明
イメージ説明

ドットインストールに書かれている対処法を試しましたが駄目でした。

発生している問題・エラーメッセージ

イメージ説明
イメージ説明

[vagrant@localhost myapp]$ rails s Could not find gem 'sqlite3 (~> 1.3.6)' in any of the gem sources listed in your Gemfile. Run `bundle install` to install missing gems.

↓↓↓↓日本語訳
Gemfileにリストされているどのgemソースにもgem 'sqlite3(〜> 1.3.6)'が見つかりませんでした。

##Gemfileの内容

source 'https://rubygems.org' git_source(:github) { |repo| "https://github.com/#{repo}.git" } ruby '2.3.1' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '~> 5.2.2' # Use sqlite3 as the database for Active Record gem 'sqlite3', '~> 1.3.6' # Use Puma as the app server gem 'puma', '~> 3.11' # Use SCSS for stylesheets gem 'sass-rails', '~> 5.0' # Use Uglifier as compressor for JavaScript assets gem 'uglifier', '>= 1.3.0' # See https://github.com/rails/execjs#readme for more supported runtimes # gem 'mini_racer', platforms: :ruby # Use CoffeeScript for .coffee assets and views gem 'coffee-rails', '~> 4.2' # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks gem 'turbolinks', '~> 5' # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder gem 'jbuilder', '~> 2.5' # Use Redis adapter to run Action Cable in production # gem 'redis', '~> 4.0' # Use ActiveModel has_secure_password # gem 'bcrypt', '~> 3.1.7' # Use ActiveStorage variant # gem 'mini_magick', '~> 4.8' # Use Capistrano for deployment # gem 'capistrano-rails', group: :development # Reduces boot times through caching; required in config/boot.rb gem 'bootsnap', '>= 1.1.0', require: false group :development, :test do # Call 'byebug' anywhere in the code to stop execution and get a debugger console gem 'byebug', platforms: [:mri, :mingw, :x64_mingw] end group :development do # Access an interactive console on exception pages or by calling 'console' anywhere in the code. gem 'web-console', '>= 3.3.0' gem 'listen', '>= 3.0.5', '< 3.2' # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring gem 'spring' gem 'spring-watcher-listen', '~> 2.0.0' end group :test do # Adds support for Capybara system testing and selenium driver gem 'capybara', '>= 2.15' gem 'selenium-webdriver' # Easy installation and use of chromedriver to run system tests with Chrome gem 'chromedriver-helper' end # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

##Gemfile.look

GEM remote: https://rubygems.org/ specs: actioncable (5.2.2) actionpack (= 5.2.2) nio4r (~> 2.0) websocket-driver (>= 0.6.1) actionmailer (5.2.2) actionpack (= 5.2.2) actionview (= 5.2.2) activejob (= 5.2.2) mail (~> 2.5, >= 2.5.4) rails-dom-testing (~> 2.0) actionpack (5.2.2) actionview (= 5.2.2) activesupport (= 5.2.2) rack (~> 2.0) rack-test (>= 0.6.3) rails-dom-testing (~> 2.0) rails-html-sanitizer (~> 1.0, >= 1.0.2) actionview (5.2.2) activesupport (= 5.2.2) builder (~> 3.1) erubi (~> 1.4) rails-dom-testing (~> 2.0) rails-html-sanitizer (~> 1.0, >= 1.0.3) activejob (5.2.2) activesupport (= 5.2.2) globalid (>= 0.3.6) activemodel (5.2.2) activesupport (= 5.2.2) activerecord (5.2.2) activemodel (= 5.2.2) activesupport (= 5.2.2) arel (>= 9.0) activestorage (5.2.2) actionpack (= 5.2.2) activerecord (= 5.2.2) marcel (~> 0.3.1) activesupport (5.2.2) concurrent-ruby (~> 1.0, >= 1.0.2) i18n (>= 0.7, < 2) minitest (~> 5.1) tzinfo (~> 1.1) addressable (2.6.0) public_suffix (>= 2.0.2, < 4.0) archive-zip (0.11.0) io-like (~> 0.3.0) arel (9.0.0) bindex (0.5.0) bootsnap (1.4.0) msgpack (~> 1.0) builder (3.2.3) byebug (10.0.2) capybara (3.13.2) addressable mini_mime (>= 0.1.3) nokogiri (~> 1.8) rack (>= 1.6.0) rack-test (>= 0.6.3) regexp_parser (~> 1.2) xpath (~> 3.2) childprocess (0.9.0) ffi (~> 1.0, >= 1.0.11) chromedriver-helper (2.1.0) archive-zip (~> 0.10) nokogiri (~> 1.8) coffee-rails (4.2.2) coffee-script (>= 2.2.0) railties (>= 4.0.0) coffee-script (2.4.1) coffee-script-source execjs coffee-script-source (1.12.2) concurrent-ruby (1.1.4) crass (1.0.4) erubi (1.8.0) execjs (2.7.0) ffi (1.10.0) globalid (0.4.2) activesupport (>= 4.2.0) i18n (1.5.3) concurrent-ruby (~> 1.0) io-like (0.3.0) jbuilder (2.8.0) activesupport (>= 4.2.0) multi_json (>= 1.2) listen (3.1.5) rb-fsevent (~> 0.9, >= 0.9.4) rb-inotify (~> 0.9, >= 0.9.7) ruby_dep (~> 1.2) loofah (2.2.3) crass (~> 1.0.2) nokogiri (>= 1.5.9) mail (2.7.1) mini_mime (>= 0.1.1) marcel (0.3.3) mimemagic (~> 0.3.2) method_source (0.9.2) mimemagic (0.3.3) mini_mime (1.0.1) mini_portile2 (2.4.0) minitest (5.11.3) msgpack (1.2.6) multi_json (1.13.1) nio4r (2.3.1) nokogiri (1.10.1) mini_portile2 (~> 2.4.0) public_suffix (3.0.3) puma (3.12.0) rack (2.0.6) rack-test (1.1.0) rack (>= 1.0, < 3) rails (5.2.2) actioncable (= 5.2.2) actionmailer (= 5.2.2) actionpack (= 5.2.2) actionview (= 5.2.2) activejob (= 5.2.2) activemodel (= 5.2.2) activerecord (= 5.2.2) activestorage (= 5.2.2) activesupport (= 5.2.2) bundler (>= 1.3.0) railties (= 5.2.2) sprockets-rails (>= 2.0.0) rails-dom-testing (2.0.3) activesupport (>= 4.2.0) nokogiri (>= 1.6) rails-html-sanitizer (1.0.4) loofah (~> 2.2, >= 2.2.2) railties (5.2.2) actionpack (= 5.2.2) activesupport (= 5.2.2) method_source rake (>= 0.8.7) thor (>= 0.19.0, < 2.0) rake (12.3.2) rb-fsevent (0.10.3) rb-inotify (0.10.0) ffi (~> 1.0) regexp_parser (1.3.0) ruby_dep (1.5.0) rubyzip (1.2.2) sass (3.7.3) sass-listen (~> 4.0.0) sass-listen (4.0.0) rb-fsevent (~> 0.9, >= 0.9.4) rb-inotify (~> 0.9, >= 0.9.7) sass-rails (5.0.7) railties (>= 4.0.0, < 6) sass (~> 3.1) sprockets (>= 2.8, < 4.0) sprockets-rails (>= 2.0, < 4.0) tilt (>= 1.1, < 3) selenium-webdriver (3.141.0) childprocess (~> 0.5) rubyzip (~> 1.2, >= 1.2.2) spring (2.0.2) activesupport (>= 4.2) spring-watcher-listen (2.0.1) listen (>= 2.7, < 4.0) spring (>= 1.2, < 3.0) sprockets (3.7.2) concurrent-ruby (~> 1.0) rack (> 1, < 3) sprockets-rails (3.2.1) actionpack (>= 4.0) activesupport (>= 4.0) sprockets (>= 3.0.0) sqlite3 (1.3.13) thor (0.20.3) thread_safe (0.3.6) tilt (2.0.9) turbolinks (5.2.0) turbolinks-source (~> 5.2) turbolinks-source (5.2.0) tzinfo (1.2.5) thread_safe (~> 0.1) uglifier (4.1.20) execjs (>= 0.3.0, < 3) web-console (3.7.0) actionview (>= 5.0) activemodel (>= 5.0) bindex (>= 0.4.0) railties (>= 5.0) websocket-driver (0.7.0) websocket-extensions (>= 0.1.0) websocket-extensions (0.1.3) xpath (3.2.0) nokogiri (~> 1.8) PLATFORMS ruby DEPENDENCIES bootsnap (>= 1.1.0) byebug capybara (>= 2.15) chromedriver-helper coffee-rails (~> 4.2) jbuilder (~> 2.5) listen (>= 3.0.5, < 3.2) puma (~> 3.11) rails (~> 5.2.2) sass-rails (~> 5.0) selenium-webdriver spring spring-watcher-listen (~> 2.0.0) sqlite3 (~> 1.3.6) turbolinks (~> 5) tzinfo-data uglifier (>= 1.3.0) web-console (>= 3.3.0) RUBY VERSION ruby 2.3.1p112 BUNDLED WITH 2.0.1

補足情報(FW/ツールのバージョンなど)

ruby 2. 3. 1
Rails 5.2.2
vagrant 2.2.3
sqlite3 3.6.20

##使用ツール
Windows PowerShell
Putty
Cyberduck
Olacle VN VirtualBox

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kazto

2019/02/14 00:12

Gemfileの内容を質問に追記お願いします。
shimada215

2019/02/14 01:59

以下がGemfileの内容です。 source 'https://rubygems.org' git_source(:github) { |repo| "https://github.com/#{repo}.git" } ruby '2.3.1' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '~> 5.2.2' # Use sqlite3 as the database for Active Record gem 'sqlite3', '~> 1.3.6' # Use Puma as the app server gem 'puma', '~> 3.11' # Use SCSS for stylesheets gem 'sass-rails', '~> 5.0' # Use Uglifier as compressor for JavaScript assets gem 'uglifier', '>= 1.3.0' # See https://github.com/rails/execjs#readme for more supported runtimes # gem 'mini_racer', platforms: :ruby # Use CoffeeScript for .coffee assets and views gem 'coffee-rails', '~> 4.2' # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks gem 'turbolinks', '~> 5' # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder gem 'jbuilder', '~> 2.5' # Use Redis adapter to run Action Cable in production # gem 'redis', '~> 4.0' # Use ActiveModel has_secure_password # gem 'bcrypt', '~> 3.1.7' # Use ActiveStorage variant # gem 'mini_magick', '~> 4.8' # Use Capistrano for deployment # gem 'capistrano-rails', group: :development # Reduces boot times through caching; required in config/boot.rb gem 'bootsnap', '>= 1.1.0', require: false group :development, :test do # Call 'byebug' anywhere in the code to stop execution and get a debugger console gem 'byebug', platforms: [:mri, :mingw, :x64_mingw] end group :development do # Access an interactive console on exception pages or by calling 'console' anywhere in the code. gem 'web-console', '>= 3.3.0' gem 'listen', '>= 3.0.5', '< 3.2' # Spring speeds up development by keeping your application running in the background. Read more: https://github.com/rails/spring gem 'spring' gem 'spring-watcher-listen', '~> 2.0.0' end group :test do # Adds support for Capybara system testing and selenium driver gem 'capybara', '>= 2.15' gem 'selenium-webdriver' # Easy installation and use of chromedriver to run system tests with Chrome gem 'chromedriver-helper' end # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
kazto

2019/02/14 02:44

`bundle install`は実行していますか?
shimada215

2019/02/14 02:52

以下がbundle install実行後の状態です。 [vagrant@localhost myapp]$ bundle install The dependency tzinfo-data (>= 0) will be unused by any of the platforms Bundler is installing for. Bundler is installing for ruby but the dependency is only for x86-mingw32, x86-mswin32, x64-mingw32, java. To add those platforms to the bundle, run `bundle lock --add-platform x86-mingw32 x86-mswin32 x64-mingw32 java`. Fetching gem metadata from https://rubygems.org/......... Fetching gem metadata from https://rubygems.org/. Resolving dependencies......................................................... Using rake 12.3.2 Using concurrent-ruby 1.1.4 Using i18n 1.5.3 Using minitest 5.11.3 Using thread_safe 0.3.6 Using tzinfo 1.2.5 Using activesupport 5.2.2 Using builder 3.2.3 Using erubi 1.8.0 Using mini_portile2 2.4.0 Using nokogiri 1.10.1 Using rails-dom-testing 2.0.3 Using crass 1.0.4 Using loofah 2.2.3 Using rails-html-sanitizer 1.0.4 Using actionview 5.2.2 Using rack 2.0.6 Using rack-test 1.1.0 Using actionpack 5.2.2 Using nio4r 2.3.1 Using websocket-extensions 0.1.3 Using websocket-driver 0.7.0 Using actioncable 5.2.2 Using globalid 0.4.2 Using activejob 5.2.2 Using mini_mime 1.0.1 Using mail 2.7.1 Using actionmailer 5.2.2 Using activemodel 5.2.2 Using arel 9.0.0 Using activerecord 5.2.2 Using mimemagic 0.3.3 Using marcel 0.3.3 Using activestorage 5.2.2 Using public_suffix 3.0.3 Using addressable 2.6.0 Using io-like 0.3.0 Using archive-zip 0.11.0 Using bindex 0.5.0 Using msgpack 1.2.6 Using bootsnap 1.4.0 Using bundler 2.0.1 Using byebug 10.0.2 Using regexp_parser 1.3.0 Using xpath 3.2.0 Using capybara 3.13.2 Using ffi 1.10.0 Using childprocess 0.9.0 Using chromedriver-helper 2.1.0 Using coffee-script-source 1.12.2 Using execjs 2.7.0 Using coffee-script 2.4.1 Using method_source 0.9.2 Using thor 0.20.3 Using railties 5.2.2 Using coffee-rails 4.2.2 Using multi_json 1.13.1 Using jbuilder 2.8.0 Using rb-fsevent 0.10.3 Using rb-inotify 0.10.0 Using ruby_dep 1.5.0 Using listen 3.1.5 Using puma 3.12.0 Using sprockets 3.7.2 Using sprockets-rails 3.2.1 Using rails 5.2.2 Using rubyzip 1.2.2 Using sass-listen 4.0.0 Using sass 3.7.3 Using tilt 2.0.9 Using sass-rails 5.0.7 Using selenium-webdriver 3.141.0 Using spring 2.0.2 Using spring-watcher-listen 2.0.1 Fetching sqlite3 1.3.13 (was 1.4.0) Installing sqlite3 1.3.13 (was 1.4.0) with native extensions Using turbolinks-source 5.2.0 Using turbolinks 5.2.0 Using uglifier 4.1.20 Using web-console 3.7.0 Bundle complete! 18 Gemfile dependencies, 79 gems now installed. Use `bundle info [gemname]` to see where a bundled gem is installed.
guest

回答1

0

ベストアンサー

Fetching sqlite3 1.3.13 (was 1.4.0)
Installing sqlite3 1.3.13 (was 1.4.0) with native extensions

sqlite3がインストールされましたね。これでrails sするとどうなりますでしょうか。

投稿2019/02/14 03:03

kazto

総合スコア7196

バッドをするには、ログインかつ

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shimada215

2019/02/14 03:09

以下が[rails s]実行後の状態です。 [vagrant@localhost myapp]$ rails s => Booting Puma => Rails 5.2.2 application starting in development => Run `rails server -h` for more startup options Puma starting in single mode... * Version 3.12.0 (ruby 2.3.1-p112), codename: Llamas in Pajamas * Min threads: 5, max threads: 5 * Environment: development * Listening on tcp://0.0.0.0:3000 Exiting /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/binder.rb:272:in `initialize': Address already in use - bind(2) for "0.0.0.0" port 3000 (Errno::EADDRINUSE) from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/binder.rb:272:in `new' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/binder.rb:272:in `add_tcp_listener' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/binder.rb:105:in `block in parse' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/binder.rb:88:in `each' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/binder.rb:88:in `parse' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/runner.rb:151:in `load_and_bind' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/single.rb:96:in `run' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/launcher.rb:184:in `run' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/rack/handler/puma.rb:70:in `run' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-2.0.6/lib/rack/server.rb:297:in `start' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:53:in `start' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:147:in `block in perform' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:142:in `tap' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.2.2/lib/rails/commands/server/server_command.rb:142:in `perform' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/thor-0.20.3/lib/thor/command.rb:27:in `run' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/thor-0.20.3/lib/thor/invocation.rb:126:in `invoke_command' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/thor-0.20.3/lib/thor.rb:387:in `dispatch' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.2.2/lib/rails/command/base.rb:65:in `perform' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.2.2/lib/rails/command.rb:46:in `invoke' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.2.2/lib/rails/commands.rb:18:in `<main>' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bootsnap-1.4.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `require' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bootsnap-1.4.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:21:in `block in require_with_bootsnap_lfi' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bootsnap-1.4.0/lib/bootsnap/load_path_cache/loaded_features_index.rb:83:in `register' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bootsnap-1.4.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:20:in `require_with_bootsnap_lfi' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/bootsnap-1.4.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:29:in `require' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.2.2/lib/active_support/dependencies.rb:291:in `block in require' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.2.2/lib/active_support/dependencies.rb:257:in `load_dependency' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/activesupport-5.2.2/lib/active_support/dependencies.rb:291:in `require' from /home/vagrant/rails_lessons/myapp/bin/rails:9:in `<top (required)>' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.2/lib/spring/client/rails.rb:28:in `load' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.2/lib/spring/client/rails.rb:28:in `call' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.2/lib/spring/client/command.rb:7:in `call' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.2/lib/spring/client.rb:30:in `run' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.2/bin/spring:49:in `<top (required)>' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in `load' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.2/lib/spring/binstub.rb:31:in `<top (required)>' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:68:in `require' from /home/vagrant/rails_lessons/myapp/bin/spring:15:in `<top (required)>' from bin/rails:3:in `load' from bin/rails:3:in `<main>'
kazto

2019/02/14 04:02

> /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.12.0/lib/puma/binder.rb:272:in `initialize': Address already in use - bind(2) for "0.0.0.0" port 3000 (Errno::EADDRINUSE) 別のディレクトリで、`rails s`を実行していたりはしませんか? ポート3000番が別で使用中、というエラーです。
shimada215

2019/02/14 12:20

大変申し訳ございません。 "他にポート3000番を使用しているものを発見する命令"と "使用状態を終了させる命令"を検索してみましたが、わかりませんでした。 お手数をおかけしますが、教えていただけますでしょうか。
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