railsチュートリアル サーバーアクセス出来ない

Question

railsチュートリアル　rails server　でアクセスできない

環境

Rails 5.1.6
Ruby 2.6.3
cloud9

ec2-user:~/environment $ printf "install: --no-document \nupdate:  --no-document\n" >> ~/.gemrc
ec2-user:~/environment $ gem install rails -v 5.1.6
Successfully installed rails-5.1.6
1 gem installed
ec2-user:~/environment $ cd ~/environment
ec2-user:~/environment $ rails _5.1.6_ new hello_app
      create  
      create  README.md
      create  Rakefile
      create  config.ru
      create  .gitignore
      create  Gemfile
         run  git init from "."
Initialized empty Git repository in /home/ec2-user/environment/hello_app/.git/
      create  app
      create  app/assets/config/manifest.js
      create  app/assets/javascripts/application.js
      create  app/assets/javascripts/cable.js
      create  app/assets/stylesheets/application.css
      create  app/channels/application_cable/channel.rb
      create  app/channels/application_cable/connection.rb
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  app/jobs/application_job.rb
      create  app/mailers/application_mailer.rb
      create  app/models/application_record.rb
      create  app/views/layouts/application.html.erb
      create  app/views/layouts/mailer.html.erb
      create  app/views/layouts/mailer.text.erb
      create  app/assets/images/.keep
      create  app/assets/javascripts/channels
      create  app/assets/javascripts/channels/.keep
      create  app/controllers/concerns/.keep
      create  app/models/concerns/.keep
      create  bin
      create  bin/bundle
      create  bin/rails
      create  bin/rake
      create  bin/setup
      create  bin/update
      create  bin/yarn
      create  config
      create  config/routes.rb
      create  config/application.rb
      create  config/environment.rb
      create  config/secrets.yml
      create  config/cable.yml
      create  config/puma.rb
      create  config/spring.rb
      create  config/environments
      create  config/environments/development.rb
      create  config/environments/production.rb
      create  config/environments/test.rb
      create  config/initializers
      create  config/initializers/application_controller_renderer.rb
      create  config/initializers/assets.rb
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/cookies_serializer.rb
      create  config/initializers/cors.rb
      create  config/initializers/filter_parameter_logging.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/new_framework_defaults_5_1.rb
      create  config/initializers/wrap_parameters.rb
      create  config/locales
      create  config/locales/en.yml
      create  config/boot.rb
      create  config/database.yml
      create  db
      create  db/seeds.rb
      create  lib
      create  lib/tasks
      create  lib/tasks/.keep
      create  lib/assets
      create  lib/assets/.keep
      create  log
      create  log/.keep
      create  public
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/apple-touch-icon-precomposed.png
      create  public/apple-touch-icon.png
      create  public/favicon.ico
      create  public/robots.txt
      create  test/fixtures
      create  test/fixtures/.keep
      create  test/fixtures/files
      create  test/fixtures/files/.keep
      create  test/controllers
      create  test/controllers/.keep
      create  test/mailers
      create  test/mailers/.keep
      create  test/models
      create  test/models/.keep
      create  test/helpers
      create  test/helpers/.keep
      create  test/integration
      create  test/integration/.keep
      create  test/test_helper.rb
      create  test/system
      create  test/system/.keep
      create  test/application_system_test_case.rb
      create  tmp
      create  tmp/.keep
      create  tmp/cache
      create  tmp/cache/assets
      create  vendor
      create  vendor/.keep
      create  package.json
      remove  config/initializers/cors.rb
      remove  config/initializers/new_framework_defaults_5_1.rb
         run  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 13.0.1
Using concurrent-ruby 1.1.6
Using i18n 1.8.2
Using minitest 5.14.0
Using thread_safe 0.3.6
Using tzinfo 1.2.6
Using activesupport 5.1.7
Using builder 3.2.4
Using erubi 1.9.0
Using mini_portile2 2.4.0
Using nokogiri 1.10.8
Using rails-dom-testing 2.0.3
Using crass 1.0.6
Using loofah 2.4.0
Using rails-html-sanitizer 1.3.0
Using actionview 5.1.7
Using rack 2.2.2
Using rack-test 1.1.0
Using actionpack 5.1.7
Using nio4r 2.5.2
Using websocket-extensions 0.1.4
Using websocket-driver 0.6.5
Using actioncable 5.1.7
Using globalid 0.4.2
Using activejob 5.1.7
Using mini_mime 1.0.2
Using mail 2.7.1
Using actionmailer 5.1.7
Using activemodel 5.1.7
Using arel 8.0.0
Using activerecord 5.1.7
Using public_suffix 4.0.3
Using addressable 2.7.0
Using bindex 0.8.1
Using bundler 1.17.3
Using byebug 11.1.1
Using xpath 3.2.0
Using capybara 2.18.0
Using childprocess 3.0.0
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 1.0.1
Using railties 5.1.7
Using coffee-rails 4.2.2
Using ffi 1.12.2
Using jbuilder 2.10.0
Using rb-fsevent 0.10.3
Using rb-inotify 0.10.1
Using ruby_dep 1.5.0
Using listen 3.1.5
Using puma 3.12.2
Using sprockets 3.7.2
Using sprockets-rails 3.2.1
Using rails 5.1.7
Using rubyzip 2.2.0
Using sass-listen 4.0.0
Using sass 3.7.4
Using tilt 2.0.10
Using sass-rails 5.0.7
Using selenium-webdriver 3.142.7
Using spring 2.1.0
Using spring-watcher-listen 2.0.1
Using sqlite3 1.4.2
Using turbolinks-source 5.2.0
Using turbolinks 5.2.1
Using uglifier 4.2.0
Using web-console 3.7.0
Bundle complete! 16 Gemfile dependencies, 69 gems now installed.
Use `bundle info [gemname]` to see where a bundled gem is installed.
         run  bundle exec spring binstub --all
* bin/rake: Spring inserted
* bin/rails: Spring inserted
ec2-user:~/environment $ cd hello_app/
ec2-user:~/environment/hello_app (master) $ 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`.
Using rake 13.0.1
Using concurrent-ruby 1.1.6
Using i18n 1.8.2
Using minitest 5.14.0
Using thread_safe 0.3.6
Using tzinfo 1.2.6
Using activesupport 5.1.7
Using builder 3.2.4
Using erubi 1.9.0
Using mini_portile2 2.4.0
Using nokogiri 1.10.8
Using rails-dom-testing 2.0.3
Using crass 1.0.6
Using loofah 2.4.0
Using rails-html-sanitizer 1.3.0
Using actionview 5.1.7
Using rack 2.2.2
Using rack-test 1.1.0
Using actionpack 5.1.7
Using nio4r 2.5.2
Using websocket-extensions 0.1.4
Using websocket-driver 0.6.5
Using actioncable 5.1.7
Using globalid 0.4.2
Using activejob 5.1.7
Using mini_mime 1.0.2
Using mail 2.7.1
Using actionmailer 5.1.7
Using activemodel 5.1.7
Using arel 8.0.0
Using activerecord 5.1.7
Using public_suffix 4.0.3
Using addressable 2.7.0
Using bindex 0.8.1
Using bundler 1.17.3
Using byebug 11.1.1
Using xpath 3.2.0
Using capybara 2.18.0
Using childprocess 3.0.0
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 1.0.1
Using railties 5.1.7
Using coffee-rails 4.2.2
Using ffi 1.12.2
Using jbuilder 2.10.0
Using rb-fsevent 0.10.3
Using rb-inotify 0.10.1
Using ruby_dep 1.5.0
Using listen 3.1.5
Using puma 3.12.2
Using sprockets 3.7.2
Using sprockets-rails 3.2.1
Using rails 5.1.7
Using rubyzip 2.2.0
Using sass-listen 4.0.0
Using sass 3.7.4
Using tilt 2.0.10
Using sass-rails 5.0.7
Using selenium-webdriver 3.142.7
Using spring 2.1.0
Using spring-watcher-listen 2.0.1
Using sqlite3 1.4.2
Using turbolinks-source 5.2.0
Using turbolinks 5.2.1
Using uglifier 4.2.0
Using web-console 3.7.0
Bundle complete! 16 Gemfile dependencies, 69 gems now installed.
Use `bundle info [gemname]` to see where a bundled gem is installed.
ec2-user:~/environment/hello_app (master) $ cd ~/environment/hello_app/
ec2-user:~/environment/hello_app (master) $ rails server
=> Booting Puma
=> Rails 5.1.7 application starting in development 
=> Run `rails server -h` for more startup options
Puma starting in single mode...
* Version 3.12.2 (ruby 2.6.3-p62), codename: Llamas in Pajamas
* Min threads: 5, max threads: 5
* Environment: development
* Listening on tcp://localhost:8080
Use Ctrl-C to stop

ここまでRailsチュートリアルの通りにしてきたのですが、

「Preview」→「Preview Running Application」→ブラウザを開くボタン(右下の画面内のボタン)

としてもアクセスできずに困っています。

修正点・改善策等ご教授頂きたいです。

試したこと

$ rails s -b 0.0.0.0　でサーバー立ち上げ
[結果]

Answer 1

Google crhomeの拡張機能の広告ブロックシステムを解除することでブラウザへのアクセス成功！

Answer 2

rails serverではなく　rails s -b 0.0.0.0　で起動してみてください。

Comments

[jasonwick]

回答ありがとうございます。
試してみたのですがダメでした。
VFS connection dose not exsit という表記がでてしまいます...(画像の通り)

[gouf]

こちらの回答の手順を試してみた場合、なにか変化は見られますか?

* [Cloud9 - cloud9のPreviewでVFS connection does not existと表示されてしまいます｜teratail](https://teratail.com/questions/124827 )

[jasonwick]

$ rails s
$ rails s -b $IP -p $PORT
＄rails s -b 0.0.0.0
リンク先記載の方法で停止させてから、上記コマンドそれぞれ試しましたが全滅でした...