错误推送到Heroku - 中止我的耙资产：预编译 [英] Error pushing to heroku - aborting my rake assets:precompile

问题描述

继我的Git Push Heroku Master之后，我遇到了一些问题Heroku的。这里是最新最好的，放弃了rake资产：precompile。

  ----->为Rails资产管道准备应用程序
运行：rake资产：预编译
 rake中止！ 
无法连接到服务器：连接被拒绝
服务器是否在主机127.0.0.1上运行并接受端口5432上的
 TCP / IP连接？ 
任务：TOP =>环境
（通过使用--trace运行任务查看完整跟踪）
预编译资产失败，启用运行时资产编译
注入rails31_enable_runtime_asset_compilation 
请参阅本文以获取故障诊断帮助：
 http://devcenter.heroku.com/articles/rails31_heroku_cedar#troubleshooting 
  

下面包含内容我的Gemfile：

  gem'rails'，'3.2.8'
 gem'bootstrap-sass'，' 2.1'
 gem'pg'
 
 group：development，：test do 
 gem'rspec-rails'
 gem'guard-rspec'
 gem 'guard-spork'
 gem'spork'
 gem'annotate'
 gem'database_cleaner'
 end 
 
 Gems只用于资产而不用在生产环境中默认需要
＃。 
 group：assets do 
 gem'sass-rails'，'〜> 3.2.3'
 end 
 
平台：jruby do 
 gem'trinidad'
 gem'jruby-openssl'
 end 
 
 gem'jquery-rails'
 
＃使用独角兽作为web服务器
＃gem'unicorn'
 
＃使用Capistrano部署
＃gem 'capistrano'
 
＃使用调试器
＃gem'ruby-debug'
 
＃捆绑额外的宝石：
 gem'RedCloth'，' 〜> 4.2.9'，：require => 'redcloth'
 gem'ruby-openid'，：require => 'openid'
 gem'rack-openid'，：require => 'rack / openid'
 gem'aaronh-chronic'，：require => 'chronic'＃修正为1.9.2 
 gem'coderay'
 gem'lesstile'
 gem'formtastic'
 gem'will_paginate'，'〜> 3.0.2'
 gem'exception_notification'，'〜> 2.5.2'
 gem'open_id_authentication'
 
＃为本地环境捆绑宝石。确保
＃在此组中放置纯测试宝石，以便它们的生成器
＃和rake任务可用于开发模式：
 group：test do 
 gem'database_cleaner'
 gem'cucumber-rails'，：require => false 
 gem'cucumber-websteps'，：require => false 
 gem'factory_girl'
 gem'rspec'
 gem'nokogiri'，'〜> 1.5.0'
 gem'webrat'
 end 
  

可能是什么问题？

更新：：我使用--trace运行rake命令，并且因为生产数据库没有存在。我创建了数据库，然后再次运行--trace，这就是我现在正在抛出的东西：

 命令失败，并显示状态（1）：[/usr/local/Cellar/ruby/1.9.3-p286/bin/ruby ...] 
  

解决方案

请参阅 Heroku Cedar上的Rails 3.1+资产管道文章。简单来说，您的Heroku应用程序在构建（包括资产编译）和运行（您的应用程序变得可用的地方）之间有很强的分离）。这与 12因子应用原则一致，但这意味着您的应用无法访问在构建阶段任何配置的资源 - 包括数据库 - 意味着资产预编译期间ActiveRecord不可用。

您可以告诉Rails不要在资产编译期间引导您的应用程序 config / application.rb ：

  config.assets.initialize_on_precompile = false 
  

故障排除部分还建议：

如果rake资产：precompile仍然不起作用，您可以在本地进行调试，方法是在本地 config / database.yml 中配置一个不存在的数据库并尝试运行 rake资产：预编译。理想情况下，您应该能够在不连接数据库的情况下运行此命令。

Edit: I'm a new ruby on rails student.

Following my Git Push Heroku Master, I am running into issues with Heroku. Here is the latest and greatest, aborting the rake assets:precompile.

-----> 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?
   Tasks: TOP => environment
   (See full trace by running task with --trace)
   Precompiling assets failed, enabling runtime asset compilation
   Injecting rails31_enable_runtime_asset_compilation
   Please see this article for troubleshooting help:
   http://devcenter.heroku.com/articles/rails31_heroku_cedar#troubleshooting

Included below are the contents of my Gemfile:

gem 'rails', '3.2.8'
gem 'bootstrap-sass', '2.1'
gem 'pg'

group :development, :test do
  gem 'rspec-rails'
  gem 'guard-rspec'
  gem 'guard-spork'
  gem 'spork'
  gem 'annotate'
  gem 'database_cleaner'
end

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

platforms :jruby do
  gem 'trinidad'
  gem 'jruby-openssl'
end

gem 'jquery-rails'

# Use unicorn as the web server
# gem 'unicorn'

# Deploy with Capistrano
# gem 'capistrano'

# To use debugger
# gem 'ruby-debug'

# Bundle the extra gems:
gem 'RedCloth', '~> 4.2.9', :require => 'redcloth'
gem 'ruby-openid', :require => 'openid'
gem 'rack-openid', :require => 'rack/openid'
gem 'aaronh-chronic', :require => 'chronic' # Fixes for 1.9.2
gem 'coderay'
gem 'lesstile'
gem 'formtastic'
gem 'will_paginate', '~> 3.0.2'
gem 'exception_notification', '~> 2.5.2'
gem 'open_id_authentication'

# Bundle gems for the local environment. Make sure to
# put test-only gems in this group so their generators
# and rake tasks are available in development mode:
group :test do
  gem 'database_cleaner'
  gem 'cucumber-rails',    :require => false
  gem 'cucumber-websteps', :require => false
  gem 'factory_girl'
  gem 'rspec'
  gem 'nokogiri', '~> 1.5.0'
  gem 'webrat'
end

What might be the issue?

Update: I ran the rake command with --trace, and it had alerted me with a failure because the production database did not exist. I created the database, and ran --trace again, and this is what I'm currently being thrown:

Command failed with status (1): [/usr/local/Cellar/ruby/1.9.3-p286/bin/ruby...]

解决方案

See the Rails 3.1+ Asset Pipeline on Heroku Cedar article. This exact scenario is covered in the Troubleshooting section.

In short, your Heroku application has a strong separation between building (including asset compilation) and running (where your application becomes available). This is consistent with the 12-factor app principles, but it means that your application cannot access any configured resources during the build phase -- including the database -- meaning ActiveRecord is unavailable during asset precompilation.

You can tell Rails not to bootstrap your application during asset compilation in config/application.rb:

config.assets.initialize_on_precompile = false

The troubleshooting section also recommends:

If rake assets:precompile is still not working, you can debug this locally by configuring a nonexistent database in your local config/database.yml and attempting to run rake assets:precompile. Ideally you should be able to run this command without connecting to the database.

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