Ruby on Rails Rake资产：预编译错误

我是Rails开发新手，这是我第一次部署到Heroku。当我执行我的应用程序（在部署之后）有一个错误：Ruby on Rails Rake资产：预编译错误

2011-09-18T21:05:54+00:00 app[web.1]: Completed 500 Internal Server Error in 10ms 
2011-09-18T21:05:54+00:00 app[web.1]: 
2011-09-18T21:05:54+00:00 app[web.1]: ActionView::Template::Error (application.css isn't precompiled):

我GOOGLE了这一点，并发现我有预编译我的资产，但试图做到这一点时，我发现了一个其他错误：

$ bundle exec rake assets:precompile RAILS_ENV=production 
rake aborted! 
No such process - /usr/lib/ruby/gems/1.8/gems/pg-0.11.0/lib/pg_ext.so 

(See full trace by running task with --trace)

我还没有找到任何解决此问题的方法。有没有人知道如何解决这个问题？

来源

2011-09-18 fabiogasparro

尝试使用'--trace'像它说的那样运行它以获取更多信息。从这里看，这个错误看起来像是来自pg（postgres）gem，所以它可能是您的数据库连接启动应用程序的问题。 –

我--trace运行，发现这个问题： $捆绑高管耙资产：预编译RAILS_ENV =生产--trace **调用资产：预编译（FIRST_TIME） **执行资产：预编译耙中止！ ??????????????????????????????????????????????????????????????????????????????????????????????? （在/usr/lib/ruby/gems/1.8/gems/jquery-rails-1.0.14/vendor/assets/javascripts/jquery-ui.min.js）任务：TOP =>资产：预编译（通过使用--trace运行任务来查看完整跟踪） – fabiogasparro

可以粘贴** application.css **或** application.css。[scss | sass] **文件中的代码吗？ – stephenmurdoch

我也遇到了问题。但你可以

rake assets:precompile RAILS_ENV=production

在本地，并推到heroku与公共/资产。它已经解决了。

来源

2011-11-01 15:18:28 user808749

我就遇到了这个问题，也是我做了以下解决它：

打开了config/environments/production.rb，确保下列选项被设置为true：

# Don't fallback to assets pipeline if a precompiled asset is missed 
config.assets.compile = true

然后运行：

rake assets:precompile --trace RAILS_ENV=production

希望这会有所帮助！

〜凯文

来源

2011-11-24 16:23:12

这为我解决了同样的问题 - 谢谢！ – ellawren

没有帮助。设置'config.assets.compile = true'对我没有帮助。我得到'TypeError：Object不支持这个属性或方法'，并且rake任务不会输出任何有用的东西。 – Green

＃'config.assets.precompile'和'config.assets.version'已移至config/initializers/assets.rb – cloudsurfin

我会建议使用新Cedar stack。它会为您部署资产并在Rails 3.1上进行整体播放，尽管您需要配置您的应用程序以实现一些功能：将一些宝石添加到您的Gemfile并创建一个Procfile。但它仍然是一个更简单的方法。

来源

2011-11-24 16:47:18

哦，这是一个容易的。你的PG宝石正在打破你的耙子任务。你可以选择漫长的路线来尝试解决它，或者你可以尝试从gemfile中注释它来运行预编译。

来源

2012-02-27 17:38:32 Simpleton

是的，就像Simpleton在PG宝石上面贴的那样引起了问题。 Imo更好的解决方案是将gem文件中的PG gem移到你的gemfile中并运行; 捆绑安装--without生产那么你应该能够毫无问题地运行rake任务

来源

2012-03-10 20:53:24 makisv

代替config.assets.compile = true使用config.serve_static_assets = true

第一个选项是不正确的，因为它告诉你的服务器返回的服务应用/资产文件夹。

来源

2013-08-23 17:29:55

DEPRECATION警告：配置选项'config.serve_static_assets'已被重命名为'config.serve_static_files'以阐明其作用（它只能启用'public'文件夹中的所有内容，并且与资产管道无关）。 Rails 5.0中将删除'serve_static_assets'别名。请相应地迁移您的配置文件。 –

我有相同的错误信息。我的问题是一个错误指定的字体网址。

这个答案的大部分显示了我是怎么想出来的。

虽然我没有得到它是失败的资产的运行

RAILS_ENV=production SECRET_KEY_BASE=xxx rake assets:precompile --trace

当上了路径，而不是我有这个堆栈跟踪：

** Invoke assets:precompile (first_time) 
** Invoke assets:environment (first_time) 
** Execute assets:environment 
** Invoke environment (first_time) 
** Execute environment 
** Execute assets:precompile 
rake aborted! 
NoMethodError: undefined method `[]' for nil:NilClass 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/sass_processor.rb:283:in `sprockets_context' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/sass_processor.rb:124:in `asset_path' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/sass_processor.rb:142:in `asset_url' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/sass_processor.rb:214:in `font_url' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/script/tree/funcall.rb:143:in `_perform' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/script/tree/node.rb:58:in `perform' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/script/tree/list_literal.rb:63:in `block in _perform' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/script/tree/list_literal.rb:63:in `map' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/script/tree/list_literal.rb:63:in `_perform' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/script/tree/node.rb:58:in `perform' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:397:in `visit_prop' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36:in `visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:160:in `block in visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/stack.rb:79:in `block in with_base' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/stack.rb:115:in `with_frame' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/stack.rb:79:in `with_base' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:160:in `visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:433:in `block (2 levels) in visit_rule' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:433:in `map' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:433:in `block in visit_rule' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:181:in `with_environment' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:431:in `visit_rule' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36:in `visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:160:in `block in visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/stack.rb:79:in `block in with_base' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/stack.rb:115:in `with_frame' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/stack.rb:79:in `with_base' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:160:in `visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:52:in `block in visit_children' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:52:in `map' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:52:in `visit_children' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:169:in `block in visit_children' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:181:in `with_environment' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:168:in `visit_children' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36:in `block in visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:188:in `visit_root' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/base.rb:36:in `visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:159:in `visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/visitors/perform.rb:8:in `visit' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/root_node.rb:36:in `css_tree' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/tree/root_node.rb:20:in `render' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sass-3.4.22/lib/sass/engine.rb:281:in `render' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/sass_compressor.rb:48:in `call' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/sass_compressor.rb:28:in `call' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/processor_utils.rb:75:in `call_processor' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/processor_utils.rb:57:in `block in call_processors' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/processor_utils.rb:56:in `reverse_each' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/processor_utils.rb:56:in `call_processors' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/loader.rb:134:in `load_from_unloaded' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/loader.rb:60:in `block in load' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/loader.rb:317:in `fetch_asset_from_dependency_cache' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/loader.rb:44:in `load' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/cached_environment.rb:20:in `block in initialize' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/cached_environment.rb:47:in `load' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/base.rb:66:in `find_asset' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/base.rb:73:in `find_all_linked_assets' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/manifest.rb:142:in `block in find' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/legacy.rb:114:in `block (2 levels) in logical_paths' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/path_utils.rb:228:in `block in stat_tree' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/path_utils.rb:212:in `block in stat_directory' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/path_utils.rb:209:in `each' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/path_utils.rb:209:in `stat_directory' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/path_utils.rb:227:in `stat_tree' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/legacy.rb:105:in `each' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/legacy.rb:105:in `block in logical_paths' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/legacy.rb:104:in `each' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/legacy.rb:104:in `logical_paths' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/manifest.rb:140:in `find' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/manifest.rb:185:in `compile' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-rails-3.1.1/lib/sprockets/rails/task.rb:68:in `block (3 levels) in define' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/rake/sprocketstask.rb:147:in `with_logger' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-rails-3.1.1/lib/sprockets/rails/task.rb:67:in `block (2 levels) in define' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/task.rb:248:in `block in execute' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/task.rb:243:in `each' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/task.rb:243:in `execute' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/task.rb:187:in `block in invoke_with_call_chain' 
/Users/smithd98/.rvm/rubies/ruby-2.3.1/lib/ruby/2.3.0/monitor.rb:214:in `mon_synchronize' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/task.rb:180:in `invoke_with_call_chain' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/task.rb:173:in `invoke' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/application.rb:152:in `invoke_task' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/application.rb:108:in `block (2 levels) in top_level' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/application.rb:108:in `each' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/application.rb:108:in `block in top_level' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/application.rb:117:in `run_with_threads' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/application.rb:102:in `top_level' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/application.rb:80:in `block in run' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/application.rb:178:in `standard_exception_handling' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/lib/rake/application.rb:77:in `run' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/rake-11.2.2/exe/rake:27:in `<top (required)>' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/bin/rake:23:in `load' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/bin/rake:23:in `<main>' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/bin/ruby_executable_hooks:15:in `eval' 
/Users/smithd98/.rvm/gems/ruby-2.3.1/bin/ruby_executable_hooks:15:in `<main>'

我修改了宝石吐出文件名

subl /Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/sass_processor.rb:124:in

这样

def asset_path(path, options = {}) 
    path = path.value 
    puts path 
    puts '123' 

    path, _, query, fragment = URI.split(path)[5..8] 
    puts '126' 
    path  = sprockets_context.asset_path(path, options) 
    puts '128' 
    query = "?#{query}" if query 
    puts '130' 
    fragment = "##{fragment}" if fragment 
    puts '132' 
    Autoload::Sass::Script::String.new("#{path}#{query}#{fragment}", :string) 
    end

然后，当我跑

RAILS_ENV=production SECRET_KEY_BASE=xxx rake assets:precompile --trace

我

** Invoke assets:precompile (first_time) 
** Invoke assets:environment (first_time) 
** Execute assets:environment 
** Invoke environment (first_time) 
** Execute environment 
** Execute assets:precompile 
fonts/OpenSans-Light.ttf 
123 
126 
rake aborted! 
NoMethodError: undefined method `[]' for nil:NilClass 
/Users/smithd98/.rvm/gems/ruby-2.3.1/gems/sprockets-3.7.0/lib/sprockets/sass_processor.rb:283:in `sprockets_context' 
...the rest of the stack trace is the same...

后来我发现这个问题是一个字体已经规定是这样的：

.btn-rect { 
    font-family: 'OpenSans-Light'; 
    src:font-url('fonts/OpenSans-Light.ttf') format('truetype'); 
}

，应该有像这样：

.btn-rect { 
    font-family: 'OpenSans-Light'; 
}

来源

2016-08-16 18:16:17

谢谢大卫，我遵循你的调试方法，最后发现问题！对于无法导航到'sass_processor.rb：124'的用户，您可以使用'gem open sprockets'命令，然后导航到该文件。然后保存它，使用'：w！sudo tee％>/dev/null' –

Ruby on Rails Rake资产：预编译错误

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