Q&A
###わからないこと
数分前まで出来ていましたが、突然Railsでサーバーへの接続が出来なくなりました。
$ rails s -b 0.0.0.0 => Booting Puma => Rails 5.0.1 application starting in development on http://0.0.0.0:3000 => Run `rails server -h` for more startup options [22041] Puma starting in cluster mode... [22041] * Version 3.7.0 (ruby 2.3.1-p112), codename: Snowy Sagebrush [22041] * Min threads: 5, max threads: 5 [22041] * Environment: development [22041] * Process workers: 2 [22041] * Preloading application [22041] * Listening on tcp://0.0.0.0:3000 Exiting /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.7.0/lib/puma/binder.rb:269: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-3.7.0/lib/puma/binder.rb:269:in `new' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.7.0/lib/puma/binder.rb:269:in `add_tcp_listener' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.7.0/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-3.7.0/lib/puma/binder.rb:88:in `each' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.7.0/lib/puma/binder.rb:88:in `parse' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.7.0/lib/puma/runner.rb:144:in `load_and_bind' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.7.0/lib/puma/cluster.rb:391:in `run' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.7.0/lib/puma/launcher.rb:171:in `run' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/puma-3.7.0/lib/rack/handler/puma.rb:58:in `run' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rack-2.0.1/lib/rack/server.rb:296:in `start' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/server.rb:79:in `start' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:90:in `block in server' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:85:in `tap' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:85:in `server' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands/commands_tasks.rb:49:in `run_command!' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/railties-5.0.1/lib/rails/commands.rb:18:in `<top (required)>' from /home/vagrant/workspace/myblog/bin/rails:9:in `require' from /home/vagrant/workspace/myblog/bin/rails:9:in `<top (required)>' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.1/lib/spring/client/rails.rb:28:in `load' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.1/lib/spring/client/rails.rb:28:in `call' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.1/lib/spring/client/command.rb:7:in `call' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.1/lib/spring/client.rb:30:in `run' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.1/bin/spring:49:in `<top (required)>' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.1/lib/spring/binstub.rb:31:in `load' from /home/vagrant/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/spring-2.0.1/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/workspace/myblog/bin/spring:15:in `<top (required)>' from bin/rails:3:in `load' from bin/rails:3:in `<main>'
調べてみて、同じエラーかどうかは分かりませんが似たようなエラーを見つけました。
https://teratail.com/questions/66336
http://qiita.com/penguin_dream/items/323bd48b08b68805b13e
全く違うエラーかも知れません。
Ruby on Rails チュートリアルの勉強中でした。
このエラーは初めてです。
教えて頂ければうれしいです。
###追記
プロセスをkillしたら出来ました！
ですが、サーバを起動したときに出てくるコードが前と変わっていますが影響はないでしょうか？
$ rails s -b 0.0.0.0 => Booting Puma => Rails 5.0.1 application starting in development on http://0.0.0.0:3000 => Run `rails server -h` for more startup options [23338] Puma starting in cluster mode... [23338] * Version 3.7.0 (ruby 2.3.1-p112), codename: Snowy Sagebrush [23338] * Min threads: 5, max threads: 5 [23338] * Environment: development [23338] * Process workers: 2 [23338] * Preloading application [23338] * Listening on tcp://0.0.0.0:3000 [23338] Use Ctrl-C to stop [23338] - Worker 0 (pid: 23374) booted, phase: 0 [23338] - Worker 1 (pid: 23376) booted, phase: 0 Started GET "/" for 192.168.33.1 at 2017-03-05 12:21:07 +0900 Cannot render console from 192.168.33.1! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255 ActiveRecord::SchemaMigration Load (0.1ms) SELECT "schema_migrations".* FROM "schema_migrations" Processing by StaticPagesController#home as HTML Rendering static_pages/home.html.erb within layouts/application Rendered static_pages/home.html.erb within layouts/application (367.6ms) Rendered layouts/_head.html.erb (122.4ms) Rendered layouts/_shim.html.erb (0.2ms) Rendered layouts/_header.html.erb (4.7ms) Rendered layouts/_footer.html.erb (0.7ms) Completed 200 OK in 529ms (Views: 509.9ms | ActiveRecord: 0.0ms)
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