【解決方法】`rails generate react:install`実行時にCould not find generator 'react:install'エラーが表示される

問題点

rails generate react:install実行時に**Could not find generator 'react:install'**エラーが発生する

$ rails generate react:install
            or
$ rails g react:install

Could not find generator 'react:install'. Maybe you meant 'test_unit:job' or 'test_unit:model' or 'generator'
Run `rails generate --help` for more options.

解決方法

springを停止させる

$ spring stop

Spring stopped.

再度、rails generate react:installを実行する。

$ rails generate react:install
            or
$ rails g react:install

Running via Spring preloader in process 39975
      create  app/assets/javascripts/components
      create  app/assets/javascripts/components/.gitkeep
      insert  app/assets/javascripts/application.js
      create  app/assets/javascripts/components.js
      create  app/assets/javascripts/server_rendering.js
      create  config/initializers/react_server_rendering.rb

参考

Rails 4 + react-rails gem: Could not find generator 'react:install' - Stack Overflow