Heroku上的Rails应用程序失败:(没有路由匹配[GET]“/”）-Java 学习之路

Rails和Heroku的新手，我正在尝试按照Rails Tutorial中的分步说明部署一个简单的应用程序 . 该应用程序在本地运行正常，并显示默认的Rails启动页面 . 但导航到Heroku中的应用程序URL仍然给我一个 404 Page Not Found ，即使它触及了路径文件或任何控制器等 .

我使用最新的Ruby（1.9.3）和Rails（4.0.0）在Mac 10.6.8上 .

Things I've Tried:

在Rails 3.1.3 on Heroku: (No route matches [GET] "/assets/rails.png")中的答案之后，我为 config/application.rb 添加了代码，用于在生产环境中懒惰地编译资产：

if defined?(Bundler)
  # If you want your assets lazily compiled in production, use this line
  Bundler.require(:default, :assets, Rails.env)
end

在Rails production static files routing error的答案之后，我修改了 production.rb 以确保提供静态资产：

config.serve_static_assets = true

但是我仍然得到404.我还能尝试什么？

Heroku Log:

2013-05-31T16:39:41.675219+00:00 app[web.1]: ActionController::RoutingError (No route matches [GET] "/"):
2013-05-31T16:39:41.675219+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
2013-05-31T16:39:41.675513+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:21:in `call'
2013-05-31T16:39:41.675219+00:00 app[web.1]: F, [2013-05-31T16:32:49.152450 #2] FATAL -- : 
2013-05-31T16:39:41.675513+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/request_id.rb:21:in `call'
2013-05-31T16:39:41.675513+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/methodoverride.rb:21:in `call'
2013-05-31T16:39:41.675513+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:67:in `block in tagged'
2013-05-31T16:39:41.676016+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
2013-05-31T16:39:41.675513+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:25:in `tagged'
2013-05-31T16:39:41.675513+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/static.rb:64:in `call'
2013-05-31T16:39:41.675777+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service'
2013-05-31T16:39:41.675513+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:67:in `tagged'
2013-05-31T16:39:41.675777+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/lock.rb:17:in `call'
2013-05-31T16:39:41.676016+00:00 app[web.1]: F, [2013-05-31T16:32:52.415675 #2] FATAL -- : 
2013-05-31T16:39:41.675513+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/runtime.rb:17:in `call'
2013-05-31T16:39:41.675777+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/content_length.rb:14:in `call'
2013-05-31T16:39:41.675777+00:00 app[web.1]: 
2013-05-31T16:39:41.675777+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/engine.rb:511:in `call'
2013-05-31T16:39:41.675777+00:00 app[web.1]: 
2013-05-31T16:39:41.676016+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:67:in `block in tagged'
2013-05-31T16:39:41.675777+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/application.rb:96:in `call'
2013-05-31T16:39:41.675777+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
2013-05-31T16:39:41.675777+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
2013-05-31T16:39:41.676016+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
2013-05-31T16:39:41.675513+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/cache/strategy/local_cache.rb:83:in `call'
2013-05-31T16:39:41.676016+00:00 app[web.1]: I, [2013-05-31T16:32:52.414612 #2]  INFO -- : Started GET "/" for 67.244.94.162 at 2013-05-31 16:32:52 +0000
2013-05-31T16:39:41.676016+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:21:in `block in call'
2013-05-31T16:39:41.676016+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:38:in `call_app'
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/static.rb:64:in `call'
2013-05-31T16:39:41.676016+00:00 app[web.1]: ActionController::RoutingError (No route matches [GET] "/"):
2013-05-31T16:39:41.676016+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:25:in `tagged'
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/lock.rb:17:in `call'
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/request_id.rb:21:in `call'
2013-05-31T16:39:41.675777+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'
2013-05-31T16:39:41.676016+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:67:in `tagged'
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/application.rb:96:in `call'
2013-05-31T16:39:41.676490+00:00 app[web.1]: 
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/cache/strategy/local_cache.rb:83:in `call'
2013-05-31T16:39:41.676490+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service'
2013-05-31T16:39:41.676490+00:00 app[web.1]: 
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/methodoverride.rb:21:in `call'
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/content_length.rb:14:in `call'
2013-05-31T16:39:41.676490+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/runtime.rb:17:in `call'
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/engine.rb:511:in `call'
2013-05-31T16:39:41.676490+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'
2013-05-31T16:39:41.676490+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
2013-05-31T16:39:41.676253+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:21:in `call'
2013-05-31T16:39:41.676490+00:00 app[web.1]: I, [2013-05-31T16:38:42.543864 #2]  INFO -- : Started GET "/" for 67.244.94.162 at 2013-05-31 16:38:42 +0000
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:21:in `call'
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/runtime.rb:17:in `call'
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:67:in `tagged'
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:38:in `call_app'
2013-05-31T16:39:41.676490+00:00 app[web.1]: ActionController::RoutingError (No route matches [GET] "/"):
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:67:in `block in tagged'
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:25:in `tagged'
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/methodoverride.rb:21:in `call'
2013-05-31T16:39:41.676490+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
2013-05-31T16:39:41.676490+00:00 app[web.1]: F, [2013-05-31T16:38:42.544833 #2] FATAL -- : 
2013-05-31T16:39:41.677196+00:00 app[web.1]: 
2013-05-31T16:39:41.677196+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/cache/strategy/local_cache.rb:83:in `call'
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/content_length.rb:14:in `call'
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
2013-05-31T16:39:41.677196+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:67:in `block in tagged'
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/request_id.rb:21:in `call'
2013-05-31T16:39:41.677196+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
2013-05-31T16:39:41.677665+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:94:in `run'
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/static.rb:64:in `call'
2013-05-31T16:39:41.677196+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:38:in `call_app'
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/methodoverride.rb:21:in `call'
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/engine.rb:511:in `call'
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/lock.rb:17:in `call'
2013-05-31T16:39:41.677196+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:21:in `block in call'
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:21:in `call'
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/engine.rb:511:in `call'
2013-05-31T16:39:41.677665+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/lock.rb:17:in `call'
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/rack/logger.rb:21:in `block in call'
2013-05-31T16:39:41.676725+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/request_id.rb:21:in `call'
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'
2013-05-31T16:39:41.677196+00:00 app[web.1]: 
2013-05-31T16:39:41.677196+00:00 app[web.1]: I, [2013-05-31T16:39:41.674148 #2]  INFO -- : Started GET "/" for 67.244.94.162 at 2013-05-31 16:39:41 +0000
2013-05-31T16:39:41.676969+00:00 heroku[router]: at=info method=GET path=/ host=floating-refuge-5703.herokuapp.com fwd="67.244.94.162" dyno=web.1 connect=0ms service=5ms status=404 bytes=1351
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/application.rb:96:in `call'
2013-05-31T16:39:41.676961+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service'
2013-05-31T16:39:41.677196+00:00 app[web.1]: ActionController::RoutingError (No route matches [GET] "/"):
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/runtime.rb:17:in `call'
2013-05-31T16:39:41.677665+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/content_length.rb:14:in `call'
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:67:in `tagged'
2013-05-31T16:39:41.677665+00:00 app[web.1]: 
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/actionpack-4.0.0.rc1/lib/action_dispatch/middleware/static.rb:64:in `call'
2013-05-31T16:39:41.677665+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/rack-1.5.2/lib/rack/handler/webrick.rb:60:in `service'
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/cache/strategy/local_cache.rb:83:in `call'
2013-05-31T16:39:41.677665+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/httpserver.rb:138:in `service'
2013-05-31T16:39:41.677665+00:00 app[web.1]: 
2013-05-31T16:39:41.677196+00:00 app[web.1]: F, [2013-05-31T16:39:41.675079 #2] FATAL -- : 
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/activesupport-4.0.0.rc1/lib/active_support/tagged_logging.rb:25:in `tagged'
2013-05-31T16:39:41.677432+00:00 app[web.1]:   vendor/bundle/ruby/1.9.1/gems/railties-4.0.0.rc1/lib/rails/application.rb:96:in `call'
2013-05-31T16:39:41.677665+00:00 app[web.1]:   vendor/ruby-1.9.3/lib/ruby/1.9.1/webrick/server.rb:191:in `block in start_thread'

1 回答

17
首先是Rails4应用程序no longer serve public/index.html，或app / assets / rails.png，因为这些文件现在由rails gem本身处理，因此您可以安全地忽略与它们相关的所有谈话 .

其次，我建议你 ignore 在你链接的question给出的建议，因为's not at all relevant for rails4. You will not need to procompile your assets if you'使用heroku . 当您将应用推送给他们时，他们会为您做到这一点 . 你可能有必要删除你在运行 rake assets:precompile 时创建的public / assets文件夹，因为它会妨碍你

第三，删除你添加到config / application.rb的代码，因为有no assets group in Rails 4

第四，heroku用于注入一个插件，用于将静态资源提供到您的应用程序中，但现在您需要通过在Gemfile中添加以下内容来实现do that yourself：
```
gem 'rails_log_stdout',           github: 'heroku/rails_log_stdout'
gem 'rails3_serve_static_assets', github: 'heroku/rails3_serve_static_assets'
```
第五，您正在使用Webrick服务器 . Heroku建议你switch to Unicorn .

最后，不要担心Heroku上没有显示默认的Rails登陆页面 . 它可能是他们系统中的一个错误，它发生在我身上，它会发生在下一个人身上，如果Matz也尝试过，它很可能会发生在Matz身上 . 这没什么大不了的 . 继续前进 . 您的应用已准备好开始开发自己的目标网页 .

祝你好运，这是一个非常简单的Gemfile示例，该示例针对heroku进行了优化：
```
source 'https://rubygems.org'

# you are using Ruby 1.9.3, better to 2.0.0 upgrade for more speed
ruby '2.0.0'

gem 'rails', '4.0.0.rc1'    
gem 'sass-rails', '~> 4.0.0.rc1'    
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.0.0'
gem 'jquery-rails'
gem 'turbolinks'    
gem 'jbuilder', '~> 1.0.1'

# The asset_sync gem is WELL worth using
# but you should read more about it before deciding
# https://github.com/rumblelabs/asset_sync
# gem 'asset_sync'

# only want sqlite in dev and test envs
group :development, :test do
  gem 'sqlite3'
end

group :production do
  gem 'pg' # dont want sqlite in production
  gem 'unicorn' # make sure you follow installation instructions for this gem
  gem 'rails_log_stdout',           github: 'heroku/rails_log_stdout'
  gem 'rails3_serve_static_assets', github: 'heroku/rails3_serve_static_assets'
end

group :doc do
  gem 'sdoc', require: false
end
```
回复于 2024-05-08T02:13:31+08:00

Heroku上的Rails应用程序失败:(没有路由匹配[GET]“/”）

1 回答

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