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调试Heroku部署（500错误）

[英]Debugging Heroku Deployment (500 Error)

 原文  2012-09-02 02:24:09  9   3    ruby-on-rails/ ruby-on-rails-3/ deployment/ heroku

问题描述

I've been working on deploying my first rails app to heroku for the past few nights and am struggling to figure out how to solve this problem. 在过去的几个晚上我一直在努力将我的第一个rails应用程序部署到heroku，并且正在努力弄清楚如何解决这个问题。

I used Michael Hartl's tutorial (http://ruby.railstutorial.org/chapters/beginning#sec-deploying) to make sure I set up my app on the Cedar Stack. 我使用Michael Hartl的教程（http://ruby.railstutorial.org/chapters/beginning#sec-deploying）来确保我在Cedar Stack上设置我的应用程序。

Per the Heroku tutorial, I'm using "thin" as the server. 根据Heroku教程，我使用“瘦”作为服务器。

I've read a bunch of posts and have precompiled my assets using: 我已经阅读了很多帖子并使用以下方法预编译了我的资产：

heroku run bundle exec rake assets:precompile bundle exec rake assets:precompile heroku run bundle exec rake assets：precompile bundle exec rake assets：precompile

I have also migrated my databases. 我也迁移了我的数据库。

My app works on my localhost. 我的应用程序适用于我的localhost。

Here is my gemfile: 这是我的gemfile： 

source 'https://rubygems.org'

gem 'rails', '3.2.8'
gem 'bootstrap-sass', '2.0.0'
gem 'bcrypt-ruby'
gem 'thin'

group :development, :test do
  gem 'rspec-rails'
end

group :development do
  gem 'sqlite3'
end

# Bundle edge Rails instead:
# gem 'rails', :git => 'git://github.com/rails/rails.git'

group :production do
  gem 'pg'
end

# Gems used only for assets and not required
# in production environments by default.
group :assets do
  gem 'sass-rails',   '~> 3.2.3'
  gem 'coffee-rails', '~> 3.2.1'

  # See https://github.com/sstephenson/execjs#readme for more supported runtimes
  # gem 'therubyracer', :platforms => :ruby

  gem 'uglifier', '>= 1.0.3'
end

gem 'jquery-rails'

group :test do
  gem 'capybara'
  gem 'factory_girl_rails'
end

Here are my heroku logs 这是我的heroku日志 

2012-09-02T01:56:17+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/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:5)
2012-09-02T01:56:20+00:00 app[web.1]: => Booting Thin
2012-09-02T01:56:20+00:00 app[web.1]: => Rails 3.2.8 application starting in production on http://0.0.0.0:50510
2012-09-02T01:56:20+00:00 app[web.1]: => Call with -d to detach
2012-09-02T01:56:20+00:00 app[web.1]: => Ctrl-C to shutdown server
2012-09-02T01:56:20+00:00 app[web.1]: Connecting to database specified by DATABASE_URL
2012-09-02T01:56:21+00:00 app[web.1]: >> Thin web server (v1.4.1 codename Chromeo)
2012-09-02T01:56:21+00:00 app[web.1]: >> Maximum connections set to 1024
2012-09-02T01:56:21+00:00 app[web.1]: >> Listening on 0.0.0.0:50510, CTRL+C to stop
2012-09-02T01:56:21+00:00 heroku[web.1]: State changed from starting to up
2012-09-02T01:56:23+00:00 app[web.1]: 
2012-09-02T01:56:23+00:00 app[web.1]: 
2012-09-02T01:56:23+00:00 app[web.1]: Started GET "/" for 108.210.1.241 at 2012-09-02 01:56:23 +0000
2012-09-02T01:56:23+00:00 app[web.1]: Processing by StaticPagesController#home as HTML
2012-09-02T01:56:23+00:00 app[web.1]:   Rendered static_pages/home.html.erb within layouts/application (14.9ms)
2012-09-02T01:56:23+00:00 app[web.1]: Completed 500 Internal Server Error in 103ms
2012-09-02T01:56:23+00:00 app[web.1]: ActionView::Template::Error (screen.css isn't precompiled):
2012-09-02T01:56:23+00:00 app[web.1]: 
2012-09-02T01:56:23+00:00 app[web.1]:     2: <html>
2012-09-02T01:56:23+00:00 app[web.1]:     3: <head>
2012-09-02T01:56:23+00:00 heroku[router]: GET morning-inlet-9513.herokuapp.com/ dyno=web.1 queue=0 wait=0ms service=262ms status=500 bytes=643
2012-09-02T01:56:23+00:00 app[web.1]:     4:   <title>GabisBag</title>
2012-09-02T01:56:23+00:00 app[web.1]: 
2012-09-02T01:56:23+00:00 app[web.1]:     5:   <%= stylesheet_link_tag    "screen", :media => "screen" %>
2012-09-02T01:56:23+00:00 app[web.1]: 
2012-09-02T01:56:23+00:00 app[web.1]:   app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb__1090905269972481286_30934000'
2012-09-02T01:56:23+00:00 app[web.1]:     6:   <%= stylesheet_link_tag    "landing_pages", :media => "screen" %>
2012-09-02T01:56:23+00:00 app[web.1]:     7:   <%= javascript_include_tag "application" %>
2012-09-02T01:56:23+00:00 app[web.1]:     8:   <%= csrf_meta_tags %>
2012-09-02T02:05:54+00:00 heroku[api]: Starting process with command `bundle exec rake assets:precompile` by jflores1@alumni.nd.edu
2012-09-02T02:05:57+00:00 heroku[run.1]: Awaiting client
2012-09-02T02:05:57+00:00 heroku[run.1]: Starting process with command `bundle exec rake assets:precompile`
2012-09-02T02:05:58+00:00 heroku[run.1]: State changed from starting to up
2012-09-02T02:06:14+00:00 heroku[run.1]: Client connection closed. Sending SIGHUP to all processes
2012-09-02T02:06:15+00:00 heroku[run.1]: Process exited with status 0
2012-09-02T02:06:15+00:00 heroku[run.1]: State changed from up to complete
2012-09-02T02:08:22+00:00 heroku[slugc]: Slug compilation started
2012-09-02T02:08:37+00:00 heroku[api]: D
eploy 6817a8e by jflores1@alumni.nd.edu
2012-09-02T02:08:37+00:00 heroku[api]: Release v8 created by jflores1@alumni.nd.edu
2012-09-02T02:08:38+00:00 heroku[web.1]: State changed from up to starting
2012-09-02T02:08:38+00:00 heroku[slugc]: Slug compilation finished
2012-09-02T02:08:40+00:00 heroku[web.1]: Starting process with command `bundle exec rails server thin -p 42652 -e production`
2012-09-02T02:08:41+00:00 heroku[web.1]: Stopping all processes with SIGTERM
2012-09-02T02:08:41+00:00 app[web.1]: Exiting
2012-09-02T02:08:42+00:00 heroku[web.1]: Process exited with status 0
2012-09-02T02:08:44+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/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:5)
2012-09-02T02:08:44+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/2012/1/4/rails-3-2-0-rc2-has-been-released. (called from <top (required)> at /app/config/environment.rb:5)
2012-09-02T02:08:47+00:00 app[web.1]: => Booting Thin
2012-09-02T02:08:47+00:00 app[web.1]: => Rails 3.2.8 application starting in production on http://0.0.0.0:42652
2012-09-02T02:08:47+00:00 app[web.1]: => Call with -d to detach
2012-09-02T02:08:47+00:00 app[web.1]: => Ctrl-C to shutdown server
2012-09-02T02:08:47+00:00 app[web.1]: Connecting to database specified by DATABASE_URL
2012-09-02T02:08:48+00:00 app[web.1]: >> Thin web server (v1.4.1 codename Chromeo)
2012-09-02T02:08:48+00:00 app[web.1]: >> Maximum connections set to 1024
2012-09-02T02:08:48+00:00 app[web.1]: >> Listening on 0.0.0.0:42652, CTRL+C to stop
2012-09-02T02:08:49+00:00 heroku[web.1]: State changed from starting to up
2012-09-02T02:08:50+00:00 app[web.1]: Started GET "/" for 108.210.1.241 at 2012-09-02 02:08:50 +0000
2012-09-02T02:08:50+00:00 app[web.1]: 
2012-09-02T02:08:50+00:00 app[web.1]: 
2012-09-02T02:08:50+00:00 app[web.1]: Processing by StaticPagesController#home as HTML
2012-09-02T02:08:50+00:00 app[web.1]:   Rendered static_pages/home.html.erb within layouts/application (9.3ms)
2012-09-02T02:08:50+00:00 app[web.1]: Completed 500 Internal Server Error in 77ms
2012-09-02T02:08:50+00:00 app[web.1]: 
2012-09-02T02:08:50+00:00 app[web.1]: ActionView::Template::Error (screen.css isn't precompiled):
2012-09-02T02:08:50+00:00 app[web.1]:     2: <html>
2012-09-02T02:08:50+00:00 app[web.1]:     3: <head>
2012-09-02T02:08:50+00:00 app[web.1]:     4:   <title>GabisBag</title>
2012-09-02T02:08:50+00:00 app[web.1]:     5:   <%= stylesheet_link_tag    "screen", :media => "screen" %>
2012-09-02T02:08:50+00:00 app[web.1]:     6:   <%= stylesheet_link_tag    "landing_pages", :media => "screen" %>
2012-09-02T02:08:50+00:00 app[web.1]:     7:   <%= javascript_include_tag "application" %>
2012-09-02T02:08:50+00:00 app[web.1]:     8:   <%= csrf_meta_tags %>
2012-09-02T02:08:50+00:00 app[web.1]:   app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb__3619394764979485472_40067220'
2012-09-02T02:08:50+00:00 app[web.1]: 
2012-09-02T02:08:50+00:00 app[web.1]: 
2012-09-02T02:08:50+00:00 heroku[router]: GET morning-inlet-9513.herokuapp.com/ dyno=web.1 queue=0 wait=0ms service=221ms status=500 bytes=643
2012-09-02T02:14:08+00:00 heroku[api]: Starting process with command `bundle exec rake db:migrate` by jflores1@alumni.nd.edu
2012-09-02T02:14:10+00:00 heroku[run.1]: Awaiting client
2012-09-02T02:14:10+00:00 heroku[run.1]: Starting process with command `bundle exec rake db:migrate`
2012-09-02T02:14:11+00:00 heroku[run.1]: State changed from starting to up
2012-09-02T02:14:17+00:00 heroku[run.1]: Client connection closed. Sending SIGHUP to all processes
2012-09-02T02:14:18+00:00 heroku[run.1]: Process exited with status 0
2012-09-02T02:14:18+00:00 heroku[run.1]: State changed from up to complete
2012-09-02T02:14:35+00:00 app[web.1]: 
2012-09-02T02:14:35+00:00 app[web.1]: Started GET "/" for 108.210.1.241 at 2012-09-02 02:14:35 +0000
2012-09-02T02:14:35+00:00 app[web.1]: 
2012-09-02T02:14:35+00:00 app[web.1]: Processing by StaticPagesController#home as HTML
2012-09-02T02:14:35+00:00 app[web.1]:   Rendered static_pages/home.html.erb within layouts/application (0.5ms)
2012-09-02T02:14:35+00:00 app[web.1]: Completed 500 Internal Server Error in 2ms
2012-09-02T02:14:35+00:00 app[web.1]: 
2012-09-02T02:14:35+00:00 app[web.1]: ActionView::Template::Error (screen.css isn't precompiled):
2012-09-02T02:14:35+00:00 app[web.1]:     2: <html>
2012-09-02T02:14:35+00:00 app[web.1]:     3: <head>
2012-09-02T02:14:35+00:00 app[web.1]:     4:   <title>GabisBag</title>
2012-09-02T02:14:35+00:00 app[web.1]:     5:   <%= stylesheet_link_tag    "screen", :media => "screen" %>
2012-09-02T02:14:35+00:00 app[web.1]:     6:   <%= stylesheet_link_tag    "landing_pages", :media => "screen" %>
2012-09-02T02:14:35+00:00 app[web.1]:     7:   <%= javascript_include_tag "application" %>
2012-09-02T02:14:35+00:00 app[web.1]:     8:   <%= csrf_meta_tags %>
2012-09-02T02:14:35+00:00 app[web.1]:   app/views/layouts/application.html.erb:5:in `_app_views_layouts_application_html_erb__3619394764979485472_40067220'
2012-09-02T02:14:35+00:00 app[web.1]: 
2012-09-02T02:14:35+00:00 app[web.1]: 
2012-09-02T02:14:35+00:00 heroku[router]: GET morning-inlet-9513.herokuapp.com/ dyno=web.1 queue=0 wait=0ms service=11ms status=500 bytes=643

3 个解决方案

解决方案1
 2  2012-09-02 02:48:41

This looks like the important part: 这看起来像是重要的部分： 

ActionView::Template::Error (screen.css isn't precompiled):

Seems as though this thread will fix your problem. 似乎这个线程将解决您的问题。

As it says: 正如它所说： 

On heroku server (readonly filesystem), If you want runtime compilation of css (its not recommended but you can do it), make sure you have done settings like below -

# inside config/application.rb
config.assets.enabled = true
config.assets.prefix = Rails.root.join('tmp/assets').to_s

# If you are using sass then keep gem outside of asset group
 gem 'sass-rails',   '3.1.4'

# inside config/environments/production.rb
config.assets.compile = true

解决方案2
 1  2012-09-03 01:09:48

I found the answer here: blueprint css rails 3.1 help 我在这里找到了答案： 蓝图css rails 3.1帮助

So far as I can tell, this appears to be a problem with using the Blueprint CSS Framework. 据我所知，这似乎是使用Blueprint CSS Framework的一个问题。 That said, two other notes: 那说，另外两个说明：

  1. I commented out the <%= stylesheet_link_tag "screen", :media=>"screen"%> code from my application.html.erb layout file. 我从application.html.erb布局文件中注释掉了<％= stylesheet_link_tag“屏幕”，：media =>“screen”％>代码。
  2. I didn't have 'rubyracer' gem installed. 我没有安装'rubyracer'宝石。 I installed it because it was in the gem profiled of the referenced answer. 我安装它是因为它在引用答案的gem profile中。 I have no clue what it does. 我不知道它的作用。
  3. The URL slashes ("/") are now showing up again wherever I have links. 现在，只要有链接，URL斜杠（“/”）就会再次出现。 My hunch is that it's something in one of the CSS files that I'm just going to have to dive into and debug. 我的预感是，它只是我需要深入研究和调试的一个CSS文件中的内容。 But, the whole reason I had the stylesheet_link_tag thing in the first place was because I was trying to get rid of those pesky slashes. 但是，我首先得到stylesheet_link_tag事情的全部原因是因为我试图摆脱那些讨厌的斜线。 Ultimately, I decided deployment was more important. 最终，我认为部署更重要。

Hope this is helpful to someone else! 希望这对其他人有帮助！

解决方案3
 1 已采纳  2012-10-04 14:17:58

Here's how I ultimately solved the problem(s). 以下是我最终解决问题的方法。 Thanks to the folks who referred me elsewhere so that I could put it all together. 感谢那些把我推荐到别处的人，以便我可以把它们放在一起。

First, I moved Blueprint to a vender directory. 首先，我将Blueprint移动到了一个供应商目录。 I don't think that's crucial to the solution, but it felt cleaner. 我不认为这对解决方案至关重要，但感觉更清洁。

The compilation problem: 编译问题：

This thread: blueprint css rails 3.1 help was really helpful. 这个主题： 蓝图css rails 3.1帮助真的很有帮助。 I found Martin and Gary's responses (nos 2 and 3) more helpful than the selected response. 我发现Martin和Gary的回答（第2和第3条）比选择的回答更有帮助。

Part of why I was having trouble with compilation (personally) is because I made some edits to the Blueprint files, which meant that they needed to be compiled again before deployment. 我编译（个人）的部分原因是因为我对Blueprint文件进行了一些编辑，这意味着他们需要在部署之前再次编译。

This thread: rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled) was helpful in that regard. 这个线程： rails 3.1.0 ActionView :: Template :: Error（application.css未预编译）在这方面很有帮助。 Basically, just run "Bundle exec rake assets:precompile" before uploading to heroku. 基本上，在上传到heroku之前，只需运行“Bundle exec rake assets：precompile”。 I also run "heroku run rake assets:precompile" after upload. 上传后我还运行“heroku run rake assets：precompile”。

How I got rid of the URL slashes in my links: The URLs are the result of this code in Blueprint/print.css: 如何删除链接中的URL斜杠： URL是Blueprint / print.css中此代码的结果： 

a:link, a:visited {background:transparent;font-weight:700;text-decoration:underline;}
a:link:after, a:visited:after {content:" (" attr(href) ")";font-size:90%;}

I solved the problem by commenting out that code. 我通过注释掉那段代码解决了这个问题。 Of course, after changing the file, you have to rake assets:precompile again. 当然，在更改文件后，您必须耙资产：再次预编译。 But, that got it all working! 但是，这一切都有效！

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