将Rails应用程序部署到heroku时出错
[英]Error deploying Rails app to heroku
问题描述
I get the following error when trying to access my app on heroku. 
尝试在heroku上访问我的应用程序时出现以下错误。 The app was deployed successfully but I could not access it. 该应用程序已成功部署，但我无法访问它。 When I tried to access the app, the page said "Application error An error occurred in the application and your page could not be served. If you are the application owner, check your logs for details." 当我尝试访问该应用程序时，页面上显示“应用程序错误应用程序中发生错误，无法为您的页面提供服务。如果您是应用程序所有者，请检查日志以获取详细信息。” Here is the heroku logs: 这是heroku日志：
heroku logs
2017-03-21T20:28:21.577989+00:00 app[web.1]: from /app/config.ru:in `<main>'
2017-03-21T20:28:21.578004+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/builder.rb:49:in `eval'
2017-03-21T20:28:21.578005+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/builder.rb:49:in `new_from_string'
2017-03-21T20:28:21.578007+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/builder.rb:40:in `parse_file'
2017-03-21T20:28:21.578008+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/server.rb:318:in `build_app_and_options_from_config'
2017-03-21T20:28:21.578010+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/server.rb:218:in `app'
2017-03-21T20:28:21.749663+00:00 heroku[web.1]: Process exited with status 1
2017-03-21T20:28:21.578012+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/server.rb:59:in `app'
2017-03-21T20:28:21.578026+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/server.rb:353:in `wrapped_app'
2017-03-21T20:28:21.578029+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/server.rb:282:in `start'
2017-03-21T20:28:21.578030+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/server.rb:79:in `start'
2017-03-21T20:28:21.578032+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:90:in `block in serv er'
2017-03-21T20:28:21.578033+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:85:in `tap'
2017-03-21T20:28:21.578035+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:85:in `server'
2017-03-21T20:28:21.578037+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
2017-03-21T20:28:21.578052+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands.rb:18:in `<top (required)>'
2017-03-21T20:28:21.578078+00:00 app[web.1]: from bin/rails:4:in `require'
2017-03-21T20:28:21.578079+00:00 app[web.1]: from bin/rails:4:in `<main>'
2017-03-21T20:28:21.768673+00:00 heroku[web.1]: State changed from starting to c rashed
2017-03-21T20:28:23.139347+00:00 heroku[router]: at=error code=H10 desc="App cra shed" method=GET path="/recipes" host=weather-consult.herokuapp.com request_id=9 801a23f-72b9-4477-8e90-93fba979e78f fwd="83.138.193.223" dyno= connect= service= status=503 bytes= protocol=https
2017-03-21T20:28:23.718785+00:00 heroku[router]: at=error code=H10 desc="App cra shed" method=GET path="/favicon.ico" host=weather-consult.herokuapp.com request_ id=100c960d-b3a1-4374-ae56-52e60b785710 fwd="83.138.193.223" dyno= connect= serv ice= status=503 bytes= protocol=https
2017-03-21T20:28:40.702732+00:00 heroku[web.1]: State changed from crashed to st arting
2017-03-21T20:28:43.480189+00:00 heroku[web.1]: Starting process with command `b in/rails server -p 41364 -e production`
2017-03-21T20:28:48.023383+00:00 app[web.1]: => Rails 5.0.2 application starting in production on http://0.0.0.0:41364
2017-03-21T20:28:48.023384+00:00 app[web.1]: => Run `rails server -h` for more s tartup options
2017-03-21T20:28:48.023369+00:00 app[web.1]: => Booting Puma
2017-03-21T20:28:48.023384+00:00 app[web.1]: Exiting
2017-03-21T20:28:48.023457+00:00 app[web.1]: /app/vendor/bundle/ruby/2.2.0/gems/ activerecord-5.0.2/lib/active_record/connection_adapters/connection_specificatio n.rb:176:in `rescue in spec': Specified 'postgresql' for database adapter, but t he gem is not loaded. Add `gem 'pg'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord). (Gem::LoadError)
2017-03-21T20:28:48.023485+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activerecord-5.0.2/lib/active_record/connection_adapters/connection_spec ification.rb:173:in `spec'
2017-03-21T20:28:48.023486+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activerecord-5.0.2/lib/active_record/connection_handling.rb:53:in `estab lish_connection'
2017-03-21T20:28:48.023487+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activerecord-5.0.2/lib/active_record/railtie.rb:125:in `block (2 levels) in <class:Railtie>'
2017-03-21T20:28:48.023531+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/lazy_load_hooks.rb:49:in `each'
2017-03-21T20:28:48.023532+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/lazy_load_hooks.rb:49:in `run_loa d_hooks'
2017-03-21T20:28:48.023526+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/lazy_load_hooks.rb:43:in `instanc e_eval'
2017-03-21T20:28:48.023527+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/lazy_load_hooks.rb:43:in `execute _hook'
2017-03-21T20:28:48.023534+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activerecord-5.0.2/lib/active_record/base.rb:324:in `<module:ActiveRecor d>'
2017-03-21T20:28:48.023528+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/lazy_load_hooks.rb:50:in `block i n run_load_hooks'
2017-03-21T20:28:48.023535+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activerecord-5.0.2/lib/active_record/base.rb:24:in `<top (required)>'
2017-03-21T20:28:48.023537+00:00 app[web.1]: from /app/app/models/application _record.rb:1:in `<top (required)>'
2017-03-21T20:28:48.023539+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:293:in `require'
2017-03-21T20:28:48.023569+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:37:in `block in l oad_interlock'
2017-03-21T20:28:48.023564+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:293:in `block in require'
2017-03-21T20:28:48.023590+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies/interlock.rb:12:in ` block in loading'
2017-03-21T20:28:48.023565+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:259:in `load_depe ndency'
2017-03-21T20:28:48.023590+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/concurrency/share_lock.rb:150:in `exclusive'
2017-03-21T20:28:48.023566+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:293:in `require'
2017-03-21T20:28:48.023568+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:380:in `block in require_or_load'
2017-03-21T20:28:48.023591+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies/interlock.rb:11:in ` loading'
2017-03-21T20:28:48.023592+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:37:in `load_inter lock'
2017-03-21T20:28:48.023593+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:358:in `require_o r_load'
2017-03-21T20:28:48.023599+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/engine.rb:473:in `each'
2017-03-21T20:28:48.023598+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/engine.rb:475:in `block in eager_load!'
2017-03-21T20:28:48.023600+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/engine.rb:473:in `eager_load!'
2017-03-21T20:28:48.023594+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:336:in `depend_on '
2017-03-21T20:28:48.023594+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/activesupport-5.0.2/lib/active_support/dependencies.rb:252:in `require_d ependency'
2017-03-21T20:28:48.023597+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/engine.rb:475:in `each'
2017-03-21T20:28:48.023595+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/engine.rb:476:in `block (2 levels) in eager_loa d!'
2017-03-21T20:28:48.023602+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/engine.rb:354:in `eager_load!'
2017-03-21T20:28:48.023603+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/application/finisher.rb:59:in `each'
2017-03-21T20:28:48.023605+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/application/finisher.rb:59:in `block in <module :Finisher>'
2017-03-21T20:28:48.023606+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/initializable.rb:30:in `instance_exec'
2017-03-21T20:28:48.023626+00:00 app[web.1]: from /app/vendor/ruby-2.2.6/lib/ ruby/2.2.0/tsort.rb:348:in `block (2 levels) in each_strongly_connected_componen t'
2017-03-21T20:28:48.023608+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/initializable.rb:30:in `run'
2017-03-21T20:28:48.023628+00:00 app[web.1]: from /app/vendor/ruby-2.2.6/lib/ ruby/2.2.0/tsort.rb:429:in `each_strongly_connected_component_from'
2017-03-21T20:28:48.023639+00:00 app[web.1]: from /app/vendor/ruby-2.2.6/lib/ ruby/2.2.0/tsort.rb:347:in `block in each_strongly_connected_component'
2017-03-21T20:28:48.023610+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/initializable.rb:55:in `block in run_initialize rs'
2017-03-21T20:28:48.023612+00:00 app[web.1]: from /app/vendor/ruby-2.2.6/lib/ ruby/2.2.0/tsort.rb:226:in `block in tsort_each'
2017-03-21T20:28:48.023641+00:00 app[web.1]: from /app/vendor/ruby-2.2.6/lib/ ruby/2.2.0/tsort.rb:345:in `each'
2017-03-21T20:28:48.023643+00:00 app[web.1]: from /app/vendor/ruby-2.2.6/lib/ ruby/2.2.0/tsort.rb:345:in `call'
2017-03-21T20:28:48.023649+00:00 app[web.1]: from /app/vendor/ruby-2.2.6/lib/ ruby/2.2.0/tsort.rb:345:in `each_strongly_connected_component'
2017-03-21T20:28:48.023663+00:00 app[web.1]: from /app/config/environment.rb: 5:in `<top (required)>'
2017-03-21T20:28:48.023651+00:00 app[web.1]: from /app/vendor/ruby-2.2.6/lib/ ruby/2.2.0/tsort.rb:224:in `tsort_each'
2017-03-21T20:28:48.023653+00:00 app[web.1]: from /app/vendor/ruby-2.2.6/lib/ ruby/2.2.0/tsort.rb:203:in `tsort_each'
2017-03-21T20:28:48.023665+00:00 app[web.1]: from /app/config.ru:3:in `requir e_relative'
2017-03-21T20:28:48.023655+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/initializable.rb:54:in `run_initializers'
2017-03-21T20:28:48.023671+00:00 app[web.1]: from /app/config.ru:3:in `block in <main>'
2017-03-21T20:28:48.023661+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/application.rb:352:in `initialize!'
2017-03-21T20:28:48.023673+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `instance_eval'
2017-03-21T20:28:48.023675+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/builder.rb:55:in `initialize'
2017-03-21T20:28:48.023678+00:00 app[web.1]: from /app/config.ru:in `new'
2017-03-21T20:28:48.023683+00:00 app[web.1]: from /app/config.ru:in `<main>'
2017-03-21T20:28:48.023696+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/server.rb:318:in `build_app_and_options_from_config'
2017-03-21T20:28:48.023697+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/server.rb:218:in `app'
2017-03-21T20:28:48.023685+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/builder.rb:49:in `eval'
2017-03-21T20:28:48.023700+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/server.rb:59:in `app'
2017-03-21T20:28:48.023687+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/builder.rb:49:in `new_from_string'
2017-03-21T20:28:48.023690+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/builder.rb:40:in `parse_file'
2017-03-21T20:28:48.023702+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/server.rb:353:in `wrapped_app'
2017-03-21T20:28:48.023704+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/rack-2.0.1/lib/rack/server.rb:282:in `start'
2017-03-21T20:28:48.023710+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/server.rb:79:in `start'
2017-03-21T20:28:48.023712+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:90:in `block in serv er'
2017-03-21T20:28:48.023714+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:85:in `tap'
2017-03-21T20:28:48.023715+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:85:in `server'
2017-03-21T20:28:48.023724+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands.rb:18:in `<top (required)>'
2017-03-21T20:28:48.023718+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2 .0/gems/railties-5.0.2/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
2017-03-21T20:28:48.023726+00:00 app[web.1]: from bin/rails:4:in `require'
2017-03-21T20:28:48.023732+00:00 app[web.1]: from bin/rails:4:in `<main>'
2017-03-21T20:28:48.114357+00:00 heroku[web.1]: Process exited with status 1
2017-03-21T20:28:48.128920+00:00 heroku[web.1]: State changed from starting to c rashed
2017-03-21T20:28:49.680428+00:00 heroku[router]: at=error code=H10 desc="App cra shed" method=GET path="/recipes" host=weather-consult.herokuapp.com request_id=a 42f1683-8c92-412e-bc36-35bee47fd044 fwd="83.138.193.223" dyno= connect= service= status=503 bytes= protocol=https
2017-03-21T20:28:50.139167+00:00 heroku[router]: at=error code=H10 desc="App cra shed" method=GET path="/favicon.ico" host=weather-consult.herokuapp.com request_ id=70b71bcf-af11-489f-bdee-f3325249f7fe fwd="83.138.193.223" dyno= connect= serv ice= status=503 bytes= protocol=https
3 个解决方案
解决方案1
1 2017-03-22 19:38:31
You must not have pg in your Gemfile which makes me think that you might be missing deployment specific stuff from your gemfile. 您的Gemfile中一定不能包含pg，这使我认为您的gemfile中可能缺少部署特定的内容。 Find the sqlite3 or equivalent development database gem and restructure it like this in your gemfile, which is typically how its done. 在您的gemfile中找到sqlite3或等效的开发数据库gem并进行重组，这通常是这样完成的。 Heroku automagically looks for that :production environment and loads the applicable configs for that. Heroku自动寻找：production环境并加载适用的配置。
group :development do
# Access an IRB console on exception pages or by using <%= console %> anywhere in the code.
gem 'web-console', '>= 3.3.0'
gem 'sqlite3'
end
group :production do
gem 'pg'
gem 'rails_12factor'
gem 'letsencrypt-rails-heroku'
end
You also sometimes get that error when you forget to migrate the database when your schema changes. 当架构更改时忘记迁移数据库时，有时还会收到该错误。 You can do that with heroku run rake db:migrate . 您可以使用heroku run rake db:migrate来做到这一点。
解决方案2
0 2017-03-21 22:17:59
Try to restart dynos. 尝试重新启动测功机。
heroku ps:restart
or try simply heroku restart 或者尝试简单地heroku restart
Description: Devcenter Heroku 说明： Devcenter Heroku
This also can by helpful Heroku deployment error H10 (App crashed) 通过帮助的Heroku部署错误H10（应用程序崩溃），这也可以
解决方案3
0 2017-03-22 05:18:13
You need to update your logs in the question so they are a bit more readable. 您需要更新问题中的日志，以使它们更具可读性。 You need to add pg to your Gemfile as you are using Postgresql. 使用Postgresql时，需要将pg添加到Gemfile中。
The gem is not loaded. Add `gem 'pg'` to your Gemfile (and ensure its version is at the minimum required by ActiveRecord).(Gem::LoadError)
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