別のHerokuエラーH12（リクエストタイムアウト）の問題を知っています。この問題はさまざまな理由で発生しているようです。数日前に、HerokuにRails3.2.2アプリをデプロイしました。ブラウザからアプリにアクセスしようとしたとき。私は得た
Application Error
An error occurred in the application and your page could not be served. Please try again in a few moments.
If you are the application owner, check your logs for details.
だから私はいつものようにインターネットで検索を始めて、何が悪いのかを理解します。次に、herokuログを使用してログファイルを確認する方法を学びます。これがログファイルです。
2012-06-11T03:16:51+00:00 heroku[web.1]: Unidling
2012-06-11T03:16:51+00:00 heroku[web.1]: State changed from down to created
2012-06-11T03:16:51+00:00 heroku[web.1]: State changed from created to starting
2012-06-11T03:16:56+00:00 heroku[web.1]: Starting process with command `bundle exec rails server -p 43527`
2012-06-11T03:17:09+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:5)
2012-06-11T03:17:09+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:5)
2012-06-11T03:17:09+00:00 app[web.1]: DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:5)
2012-06-11T03:17:16+00:00 app[web.1]: [2012-06-11 03:17:16] INFO WEBrick 1.3.1
2012-06-11T03:17:16+00:00 app[web.1]: [2012-06-11 03:17:16] INFO WEBrick::HTTPServer#start: pid=1 port=43527
2012-06-11T03:17:16+00:00 app[web.1]: [2012-06-11 03:17:16] INFO ruby 1.9.2 (2011-07-09) [x86_64-linux]
2012-06-11T03:17:17+00:00 heroku[web.1]: State changed from starting to up
2012-06-11T03:17:19+00:00 app[web.1]: => Booting WEBrick
2012-06-11T03:17:19+00:00 app[web.1]: => Rails 3.2.2 application starting in production on http://0.0.0.0:43527
2012-06-11T03:17:19+00:00 app[web.1]: => Call with -d to detach
2012-06-11T03:17:19+00:00 app[web.1]: => Ctrl-C to shutdown server
2012-06-11T03:17:19+00:00 app[web.1]:
2012-06-11T03:17:19+00:00 app[web.1]:
2012-06-11T03:17:19+00:00 app[web.1]: Started GET "/" for 123.240.186.119 at 2012-06-11 03:17:19 +0000
2012-06-11T03:17:20+00:00 app[web.1]: Processing by StaticPagesController#home as HTML
2012-06-11T03:17:20+00:00 app[web.1]: Rendered static_pages/home.html.erb within layouts/application (40.3ms)
2012-06-11T03:17:49+00:00 heroku[router]: Error H12 (Request timeout) -> GET cold-lightning-6691.herokuapp.com/ dyno=web.1 queue= wait= service=30000ms status=503 bytes=0
ログを確認した後、何が問題なのかよくわかりません。もう一度インターネットで調べました。この問題を引き起こす可能性のあるさまざまな理由があるようです。私のアプリにはおそらくいくつかのバグがあることを知っています。しかし、コードのどの部分が間違っているのかわかりません。
また、ローカルコンピューターでアプリを実行できます。それで、あなたは問題が何であるか、または問題を見つける方法を知っていますか？
アップデート：
gitpushherokuを実行すると
このエラーメッセージが表示されます
Your bundle is complete! It was installed into ./vendor/bundle
Cleaning up the bundler cache.
-----> Writing config/database.yml to read from DATABASE_URL
-----> Preparing app for Rails asset pipeline
Running: rake assets:precompile
rake aborted!
could not connect to server: Connection refused
Is the server running on host "127.0.0.1" and accepting
TCP/IP connections on port 5432?
$ heroku run rake Assets：precompile--traceを実行します
私は得た
Running rake assets:precompile --trace attached to terminal... up, run.1
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/01/04/rails-3-2-0- rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
** Invoke assets:precompile (first_time)
** Execute assets:precompile
/usr/local/bin/ruby /app/vendor/bundle/ruby/1.9.1/bin/rake assets:precompile:all RAILS_ENV=production RAILS_GROUPS=assets --trace
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
DEPRECATION WARNING: You have Rails 2.3-style plugins in vendor/plugins! Support for these plugins will be removed in Rails 4.0. Move them out and bundle them in your Gemfile, or fold them in to your app as lib/myplugin/* and config/initializers/myplugin.rb. See the release notes for more on this: http://weblog.rubyonrails.org/2012/01/04/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/Rakefile:7)
** Invoke assets:precompile:all (first_time)
** Execute assets:precompile:all
** Invoke assets:precompile:primary (first_time)
** Invoke assets:environment (first_time)
** Execute assets:environment
** Invoke environment (first_time)
** Execute environment
** Invoke tmp:cache:clear (first_time)
** Execute tmp:cache:clear
** Execute assets:precompile:primary
rake aborted!
Unexpected token: operator (<) (line: 11780, col: 1, pos: 325392)
Error
at new JS_Parse_Error (/tmp/execjs20120611-10-3yiu6e.js:497:22)
at js_error (/tmp/execjs20120611-10-3yiu6e.js:505:15)
at croak (/tmp/execjs20120611-10-3yiu6e.js:954:17)
at token_error (/tmp/execjs20120611-10-3yiu6e.js:961:17)
at unexpected (/tmp/execjs20120611-10-3yiu6e.js:967:17)
at /tmp/execjs20120611-10-3yiu6e.js:1340:17
at maybe_unary (/tmp/execjs20120611-10-3yiu6e.js:1425:27)
at expr_ops (/tmp/execjs20120611-10-3yiu6e.js:1452:32)
at maybe_conditional (/tmp/execjs20120611-10-3yiu6e.js:1456:28)
at maybe_assign (/tmp/execjs20120611-10-3yiu6e.js:1480:28)
(in /app/app/assets/javascripts/application.js)
/app/vendor/bundle/ruby/1.9.1/gems/execjs-1.3.0/lib/execjs/external_runtime.rb:67:in `extract_result'
/app/vendor/bundle/ruby/1.9.1/gems/execjs-1.3.0/lib/execjs/external_runtime.rb:27:in `block in exec'
/app/vendor/bundle/ruby/1.9.1/gems/execjs-1.3.0/lib/execjs/external_runtime.rb:40:in `compile_to_tempfile'
/app/vendor/bundle/ruby/1.9.1/gems/execjs-1.3.0/lib/execjs/external_runtime.rb:26:in `exec'
/app/vendor/bundle/ruby/1.9.1/gems/uglifier-1.2.3/lib/uglifier.rb:101:in `compile'
/app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.2/lib/sprockets/compressors.rb:74:in `compress'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/processing.rb:265:in `block in js_compressor='
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/processor.rb:29:in `call'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/processor.rb:29:in `evaluate'
/app/vendor/bundle/ruby/1.9.1/gems/tilt-1.3.3/lib/tilt/template.rb:76:in `render'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/context.rb:177:in `block in evaluate'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/context.rb:174:in `each'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/context.rb:174:in `evaluate'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/bundled_asset.rb:26:in `initialize'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:244:in `new'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:244:in `build_asset'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/index.rb:89:in `block in build_asset'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/caching.rb:19:in `cache_asset'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/index.rb:88:in `build_asset'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:163:in `find_asset'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/index.rb:56:in `find_asset'
/app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.2/lib/sprockets/static_compiler.rb:20:in `block in compile'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:212:in `block in each_logical_path'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:200:in `block (2 levels) in each_file'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:190:in `each'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:190:in `each_entry'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:198:in `block in each_file'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:197:in `each'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:197:in `each_file'
/app/vendor/bundle/ruby/1.9.1/gems/sprockets-2.1.2/lib/sprockets/base.rb:210:in `each_logical_path'
/app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.2/lib/sprockets/static_compiler.rb:18:in `compile'
/app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.2/lib/sprockets/assets.rake:56:in `internal_precompile'
/app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.2/lib/sprockets/assets.rake:70:in `block (3 levels) in <top (required)>'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/usr/local/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.2/lib/sprockets/assets.rake:60:in `block (3 levels) in <top (required)>'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/usr/local/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:116:in `invoke_task'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block (2 levels) in top_level'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `each'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block in top_level'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:88:in `top_level'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:66:in `block in run'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/bin/rake:33:in `<top (required)>'
/app/vendor/bundle/ruby/1.9.1/bin/rake:19:in `load'
/app/vendor/bundle/ruby/1.9.1/bin/rake:19:in `<main>'
Tasks: TOP => assets:precompile:primary
rake aborted!
Command failed with status (1): [/usr/local/bin/ruby /app/vendor/bundle/rub...]
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/file_utils.rb:53:in `block in create_shell_runner'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/file_utils.rb:45:in `call'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/file_utils.rb:45:in `sh'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/file_utils_ext.rb:39:in `sh'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/file_utils.rb:80:in `ruby'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/file_utils_ext.rb:39:in `ruby'
/app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.2/lib/sprockets/assets.rake:12:in `ruby_rake_task'
/app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.2/lib/sprockets/assets.rake:21:in `invoke_or_reboot_rake_task'
/app/vendor/bundle/ruby/1.9.1/gems/actionpack-3.2.2/lib/sprockets/assets.rake:29:in `block (2 levels) in <top (required)>'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `call'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:205:in `block in execute'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `each'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:200:in `execute'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:158:in `block in invoke_with_call_chain'
/usr/local/lib/ruby/1.9.1/monitor.rb:201:in `mon_synchronize'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:151:in `invoke_with_call_chain'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/task.rb:144:in `invoke'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:116:in `invoke_task'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block (2 levels) in top_level'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `each'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:94:in `block in top_level'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:88:in `top_level'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:66:in `block in run'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:133:in `standard_exception_handling'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/lib/rake/application.rb:63:in `run'
/app/vendor/bundle/ruby/1.9.1/gems/rake-0.9.2.2/bin/rake:33:in `<top (required)>'
/app/vendor/bundle/ruby/1.9.1/bin/rake:19:in `load'
/app/vendor/bundle/ruby/1.9.1/bin/rake:19:in `<main>'
Tasks: TOP => assets:precompile