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夥計們我按照步驟上傳我的網站到Heroku，但我無法打開我的網站。任何想法？這是我的日誌。應用程序錯誤。 Heroku部署
我得到這個錯誤
應用程序錯誤 應用程序中發生錯誤，您的網頁無法送達。請稍後重試。
如果您是應用程序所有者，請查看您的日誌以瞭解詳細信息。
2016-10-01T10:06:36.169967+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'
2016-10-01T10:06:36.169968+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:90:in `block in server'
2016-10-01T10:06:36.169968+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/server.rb:79:in `start'
2016-10-01T10:06:36.169971+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:85:in `tap'
2016-10-01T10:06:36.169971+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:85:in `server'
2016-10-01T10:06:36.169972+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/commands/commands_tasks.rb:49:in `run_command!'
2016-10-01T10:06:36.169974+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/commands.rb:18:in `<top (required)>'
2016-10-01T10:06:36.169975+00:00 app[web.1]: from bin/rails:4:in `require'
2016-10-01T10:06:36.169975+00:00 app[web.1]: from bin/rails:4:in `<main>'
2016-10-01T10:06:36.275138+00:00 heroku[web.1]: State changed from starting to crashed
2016-10-01T10:06:36.266024+00:00 heroku[web.1]: Process exited with status 1
2016-10-01T10:07:43.959981+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=safe-basin-19893.herokuapp.com request_id=fb12e47e-dc0d-4729-90db-f89
24f36cf6c fwd="60.242.10.208" dyno= connect= service= status=503 bytes=
2016-10-01T10:07:46.067395+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=safe-basin-19893.herokuapp.com request_id=651ac812-85be-4b
da-8f59-6d8f3498ddc3 fwd="60.242.10.208" dyno= connect= service= status=503 bytes=
2016-10-01T10:07:51.057066+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=safe-basin-19893.herokuapp.com request_id=0f410cc8-9fdc-45f1-8b25-723
9ff81a061 fwd="60.242.10.208" dyno= connect= service= status=503 bytes=
2016-10-01T10:07:51.841094+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=safe-basin-19893.herokuapp.com request_id=e5b2aadd-7102-4b
93-b1e9-fed57ffeff6d fwd="60.242.10.208" dyno= connect= service= status=503 bytes=
2016-10-01T10:08:24.115723+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=safe-basin-19893.herokuapp.com request_id=0dde22ce-9c0d-4ca4-bcc5-7aa
0b968d952 fwd="60.242.10.208" dyno= connect= service= status=503 bytes=
2016-10-01T10:08:25.240382+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=safe-basin-19893.herokuapp.com request_id=1fc43b60-4eb6-41
2d-9aec-d889b5f0d8b8 fwd="60.242.10.208" dyno= connect= service= status=503 bytes=
2016-10-01T10:09:32.710032+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=safe-basin-19893.herokuapp.com request_id=29d89e0a-bc13-4670-99c9-fbe
c2f02c106 fwd="60.242.10.208" dyno= connect= service= status=503 bytes=
2016-10-01T10:09:33.810413+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=safe-basin-19893.herokuapp.com request_id=3127fe25-4f81-4e
56-96eb-4cbb4f5470a5 fwd="60.242.10.208" dyno= connect= service= status=503 bytes=
2016-10-01T10:14:53.103026+00:00 heroku[web.1]: State changed from crashed to starting
2016-10-01T10:14:56.111168+00:00 heroku[web.1]: Starting process with command `bin/rails server -p 14306 -e production`
2016-10-01T10:14:59.498769+00:00 app[web.1]: => Booting Puma
2016-10-01T10:14:59.498833+00:00 app[web.1]: => Rails 5.0.0.1 application starting in production on http://0.0.0.0:14306
2016-10-01T10:14:59.498860+00:00 app[web.1]: => Run `rails server -h` for more startup options
2016-10-01T10:15:00.116483+00:00 app[web.1]: /app/app/controllers/visitor_permits_controller.rb:18: warning: else without rescue is useless
2016-10-01T10:15:00.800902+00:00 app[web.1]: Exiting
2016-10-01T10:15:00.801090+00:00 app[web.1]: /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require': No such file to load -- t
est_helper (LoadError)
2016-10-01T10:15:00.801104+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
2016-10-01T10:15:00.801117+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
2016-10-01T10:15:00.801128+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
2016-10-01T10:15:00.801140+00:00 app[web.1]: from /app/app/models/user_test.rb:1:in `<top (required)>'
2016-10-01T10:15:00.801151+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
2016-10-01T10:15:00.801163+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `block in require'
2016-10-01T10:15:00.801174+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:259:in `load_dependency'
2016-10-01T10:15:00.801186+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:293:in `require'
2016-10-01T10:15:00.801204+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:380:in `block in require_or_load'
2016-10-01T10:15:00.801216+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:37:in `block in load_interlock'
2016-10-01T10:15:00.801228+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies/interlock.rb:12:in `block in loading'
2016-10-01T10:15:00.801240+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/concurrency/share_lock.rb:117:in `exclusive'
2016-10-01T10:15:00.801256+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies/interlock.rb:11:in `loading'
2016-10-01T10:15:00.801268+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:37:in `load_interlock'
2016-10-01T10:15:00.801280+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:358:in `require_or_load'
2016-10-01T10:15:00.801291+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:336:in `depend_on'
2016-10-01T10:15:00.801306+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/activesupport-5.0.0.1/lib/active_support/dependencies.rb:252:in `require_dependency'
2016-10-01T10:15:00.801317+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/engine.rb:476:in `block (2 levels) in eager_load!'
2016-10-01T10:15:00.801329+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/engine.rb:475:in `each'
2016-10-01T10:15:00.801340+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/engine.rb:475:in `block in eager_load!'
2016-10-01T10:15:00.801352+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/engine.rb:473:in `each'
2016-10-01T10:15:00.801363+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/engine.rb:473:in `eager_load!'
2016-10-01T10:15:00.801374+00:00 app[web.1]: from /app/vendor/bundle/ruby/2.2.0/gems/railties-5.0.0.1/lib/rails/engine.rb:354:in `eager_load!'
2016-10-01T10:15:00.801385+00:00 app[web.1]: from