AWS　Cloud9上で　rails serverが立ち上がらない。

前提・実現したいこと

AWS Cloud9を使用した際、rails serverを行っても、サーバーが立ち上がらない。

発生している問題・エラーメッセージ

ec2-user:~/environment/tweet_app $ rails server
=> Booting Puma
=> Rails 5.0.7.2 application starting in development on http://localhost:8080
=> Run rails server -h for more startup options
Puma starting in single mode...

Version 3.12.1 (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
Started GET "/" for 182.167.32.231 at 2019-05-19 02:43:52 +0000
Cannot render console from 182.167.32.231! Allowed networks: 127.0.0.1, ::1, 127.0.0.0/127.255.255.255

Gem::LoadError (Specified 'sqlite3' for database adapter, but the gem is not loaded. Add gem 'sqlite3' to your Gemfile (and ensure its version is at the minimum required by ActiveRecord).):

activerecord (5.0.7.2) lib/active_record/connection_adapters/connection_specification.rb:176:in rescue in spec' activerecord (5.0.7.2) lib/active_record/connection_adapters/connection_specification.rb:173:in spec'
activerecord (5.0.7.2) lib/active_record/connection_handling.rb:53:in establish_connection' activerecord (5.0.7.2) lib/active_record/railtie.rb:125:in block (2 levels) in class:Railtie'
activesupport (5.0.7.2) lib/active_support/lazy_load_hooks.rb:69:in instance_eval' activesupport (5.0.7.2) lib/active_support/lazy_load_hooks.rb:69:in block in execute_hook'
activesupport (5.0.7.2) lib/active_support/lazy_load_hooks.rb:60:in with_execution_control' activesupport (5.0.7.2) lib/active_support/lazy_load_hooks.rb:65:in execute_hook'
activesupport (5.0.7.2) lib/active_support/lazy_load_hooks.rb:50:in block in run_load_hooks' activesupport (5.0.7.2) lib/active_support/lazy_load_hooks.rb:49:in each'
activesupport (5.0.7.2) lib/active_support/lazy_load_hooks.rb:49:in run_load_hooks' activerecord (5.0.7.2) lib/active_record/base.rb:324:in module:ActiveRecord'
activerecord (5.0.7.2) lib/active_record/base.rb:24:in <top (required)>' activesupport (5.0.7.2) lib/active_support/dependencies.rb:293:in require'
activesupport (5.0.7.2) lib/active_support/dependencies.rb:293:in block in require' activesupport (5.0.7.2) lib/active_support/dependencies.rb:259:in load_dependency'
activesupport (5.0.7.2) lib/active_support/dependencies.rb:293:in require' activerecord (5.0.7.2) lib/active_record/migration.rb:559:in connection'
activerecord (5.0.7.2) lib/active_record/migration.rb:546:in call' actionpack (5.0.7.2) lib/action_dispatch/middleware/callbacks.rb:38:in block in call'
activesupport (5.0.7.2) lib/active_support/callbacks.rb:97:in __run_callbacks__' activesupport (5.0.7.2) lib/active_support/callbacks.rb:750:in _run_call_callbacks'
activesupport (5.0.7.2) lib/active_support/callbacks.rb:90:in run_callbacks' actionpack (5.0.7.2) lib/action_dispatch/middleware/callbacks.rb:36:in call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/executor.rb:12:in call' actionpack (5.0.7.2) lib/action_dispatch/middleware/remote_ip.rb:79:in call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/debug_exceptions.rb:49:in call' web-console (3.7.0) lib/web_console/middleware.rb:135:in call_app'
web-console (3.7.0) lib/web_console/middleware.rb:22:in block in call' web-console (3.7.0) lib/web_console/middleware.rb:20:in catch'
web-console (3.7.0) lib/web_console/middleware.rb:20:in call' actionpack (5.0.7.2) lib/action_dispatch/middleware/show_exceptions.rb:31:in call'
railties (5.0.7.2) lib/rails/rack/logger.rb:36:in call_app' railties (5.0.7.2) lib/rails/rack/logger.rb:24:in block in call'
activesupport (5.0.7.2) lib/active_support/tagged_logging.rb:69:in block in tagged' activesupport (5.0.7.2) lib/active_support/tagged_logging.rb:26:in tagged'
activesupport (5.0.7.2) lib/active_support/tagged_logging.rb:69:in tagged' railties (5.0.7.2) lib/rails/rack/logger.rb:24:in call'
sprockets-rails (3.2.1) lib/sprockets/rails/quiet_assets.rb:13:in call' actionpack (5.0.7.2) lib/action_dispatch/middleware/request_id.rb:24:in call'
rack (2.0.7) lib/rack/method_override.rb:22:in call' rack (2.0.7) lib/rack/runtime.rb:22:in call'
activesupport (5.0.7.2) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in call' actionpack (5.0.7.2) lib/action_dispatch/middleware/executor.rb:12:in call'
actionpack (5.0.7.2) lib/action_dispatch/middleware/static.rb:136:in call' rack (2.0.7) lib/rack/sendfile.rb:111:in call'
railties (5.0.7.2) lib/rails/engine.rb:522:in call' puma (3.12.1) lib/puma/configuration.rb:227:in call'
puma (3.12.1) lib/puma/server.rb:660:in handle_request' puma (3.12.1) lib/puma/server.rb:474:in process_client'
puma (3.12.1) lib/puma/server.rb:334:in block in run' puma (3.12.1) lib/puma/thread_pool.rb:135:in block in spawn_thread'
Rendering /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/actionpack-5.0.7.2/lib/action_dispatch/middleware/templates/rescues/diagnostics.html.erb within rescues/layout
Rendering /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/actionpack-5.0.7.2/lib/action_dispatch/middleware/templates/rescues/_source.html.erb
Rendered /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/actionpack-5.0.7.2/lib/action_dispatch/middleware/templates/rescues/_source.html.erb (1.7ms)
Rendering /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/actionpack-5.0.7.2/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb
Rendered /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/actionpack-5.0.7.2/lib/action_dispatch/middleware/templates/rescues/_trace.html.erb (1.0ms)
Rendering /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/actionpack-5.0.7.2/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb
Rendered /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/actionpack-5.0.7.2/lib/action_dispatch/middleware/templates/rescues/_request_and_response.html.erb (0.6ms)
Rendered /home/ec2-user/.rvm/gems/ruby-2.6.3/gems/actionpack-5.0.7.2/lib/action_dispatch/middleware/templates/rescues/diagnostics.html.erb within rescues/layout (15.6ms)

該当のソースコード

rails

試したこと

$ rails new tweet_app
$ cd tweet_app
$ rails server

補足情報（FW/ツールのバージョンなど）

psuke

2019/05/20 12:50

Add gem 'sqlite3' to your Gemfileと表示されています。tweet_appディレクトリにあるGemfileの中身を記載していただけますでしょうか。

Aokichingo

2019/05/21 07:25

こちらです。何卒よろしくお願いします。 source 'https://rubygems.org' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '~> 5.0.0' # Use sqlite3 as the database for Active Record gem 'sqlite3' # Use Puma as the app server gem 'puma', '~> 3.0' # Use SCSS for stylesheets gem 'sass-rails', '~> 5.0' # Use Uglifier as compressor for JavaScript assets gem 'uglifier', '>= 1.3.0' # Use CoffeeScript for .coffee assets and views gem 'coffee-rails', '~> 4.2' # See https://github.com/rails/execjs#readme for more supported runtimes # gem 'therubyracer', platforms: :ruby # Use jquery as the JavaScript library gem 'jquery-rails' # 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', '~> 3.0' # Use ActiveModel has_secure_password # gem 'bcrypt', '~> 3.1.7' # Use Capistrano for deployment # gem 'capistrano-rails', group: :development group :development, :test do # Call 'byebug' anywhere in the code to stop execution and get a debugger console gem 'byebug', platform: :mri end group :development do # Access an IRB console on exception pages or by using <%= console %> anywhere in the code. gem 'web-console' gem 'listen', '~> 3.0.5' # 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 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]