我一直在关注Michael Hartl的优秀RoR教程，但我使用的是RoR 3.1.我是RoR 3.1的新手，需要与assets资源 管道相关的帮助.我的问题是:
在继续第5.3节之前，我想先谈谈Heroku，看看事情是如何发展的.令我惊讶的是，"GET/"结果是错误500.在我当地的开发环境中，一切都很顺利.然后我try 在生产环境下运行我的本地示例应用程序(rails s -e production).同样的结果，错误500:
Sprockets::Helpers::RailsHelper::AssetPaths::AssetNotPrecompiledError in Pages#home
Showing /Users/john/Projects/sample_app/app/views/layouts/_stylesheets.html.erb where line #4 raised:
blueprint/screen.css isn't precompiled
支持信息:
- 我把blueprint CSS目录放在vendor/assets/stylesheets下.
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我遵循了Michael第13.1.4节的建议，并将以下内容作为我的应用程序/视图/布局/应用程序.html.雇员再培训局:
<!DOCTYPE html> <html> <head> <title><%= title %></title> <%= render 'layouts/stylesheets' %> <%= stylesheet_link_tag "application" %> <%= javascript_include_tag "application" %> <%= csrf_meta_tags %> </head> <body> <div class="container"> <%= render 'layouts/header' %> <section class="round"> <%= yield %> </section> <%= render 'layouts/footer' %> </div> </body> </html> -
app/views/layouts/_样式表的内容.html.雇员再培训局:
<!--[if lt IE 9]> <script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script> <![endif]--> <%= stylesheet_link_tag 'blueprint/screen', :media => 'screen' %> <%= stylesheet_link_tag 'blueprint/print', :media => 'print' %> <!--[if lt IE 8]><%= stylesheet_link_tag 'blueprint/ie' %><![endif]--> 我已经运行了bundle exec rakeassets资源 :precompile.
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公共/assets资源 / list 的内容.yml:
--- logo.png: logo-8e0a5ad292fbb13a2b07e68fa3995406.png rails.png: rails-bd9ad5a560b5a3a7be0808c5cd76a798.png blueprint/plugins/buttons/icons/cross.png: blueprint/plugins/buttons/icons/cross-2ebcd25368006d1b7b0c5b7d6b523ab3.png blueprint/plugins/buttons/icons/key.png: blueprint/plugins/buttons/icons/key-55237526967cbcab3e8cfb12f0029d88.png blueprint/plugins/buttons/icons/tick.png: blueprint/plugins/buttons/icons/tick-3f5fc1f52b505b93f88263e0432d25ce.png blueprint/plugins/buttons/readme.txt: blueprint/plugins/buttons/readme-3ff7f5dbb0288d71f70682fdbe9d86ec.txt blueprint/plugins/fancy-type/readme.txt: blueprint/plugins/fancy-type/readme-e7ed185d1a9f23256d418ab929b464d9.txt blueprint/plugins/link-icons/icons/doc.png: blueprint/plugins/link-icons/icons/doc-b071fd74b88ff38cda8360a53f493013.png blueprint/plugins/link-icons/icons/email.png: blueprint/plugins/link-icons/icons/email-28104e72b3418737d4b9b329c12ec358.png blueprint/plugins/link-icons/icons/external.png: blueprint/plugins/link-icons/icons/external-ee6d976ddb80125fafe1a33c6f8aed10.png blueprint/plugins/link-icons/icons/feed.png: blueprint/plugins/link-icons/icons/feed-59bc8604661681639d25cb7015a32c38.png blueprint/plugins/link-icons/icons/im.png: blueprint/plugins/link-icons/icons/im-afeeb6e0b652c1edb1441bf0fb428596.png blueprint/plugins/link-icons/icons/lock.png: blueprint/plugins/link-icons/icons/lock-d73c4b3b57ce72cb6dbd8b265507ff75.png blueprint/plugins/link-icons/icons/pdf.png: blueprint/plugins/link-icons/icons/pdf-c4c543e5103a8516839a7846b91e1ac4.png blueprint/plugins/link-icons/icons/visited.png: blueprint/plugins/link-icons/icons/visited-fb2370448bc4ea5d079e963a8c0d900b.png blueprint/plugins/link-icons/icons/xls.png: blueprint/plugins/link-icons/icons/xls-5399729cd31dffc492a04b3805cd0be1.png blueprint/plugins/link-icons/readme.txt: blueprint/plugins/link-icons/readme-42c02030199cd36a671d4b623cb4dc36.txt blueprint/plugins/rtl/readme.txt: blueprint/plugins/rtl/readme-8d11bf76e19fb3fc7dbc6c2ddb54b92d.txt blueprint/src/grid.png: blueprint/src/grid-973add038ed86febca85f03e8b35b94a.png jquery-ui.min.js: jquery-ui-7e33882a28fc84ad0e0e47e46cbf901c.min.js jquery.min.js: jquery-8a50feed8d29566738ad005e19fe1c2d.min.js application.js: application-a552e1db33b8be6a42eedf1261916f3c.js application.css: application-214e0c0742f20b334e8a7776e0a4c71d.css 我看不到蓝图/屏幕. list 中的css.yml.
我错过了什么？