我刚刚将我的Catarse应用程序部署到Heroku，需要有关错误日志的帮助。该应用程序将无法加载。我已经运行了迁移并设置了所有必要的插件。这是我的日志输出 这个应用程序本地运行良好，我没有任何问题，直到我推送到Heroku。
2013-01-08T19:54:21+00:00 heroku[web.1]: State changed from starting to up
2013-01-08T19:55:20+00:00 app[web.1]: Dalli/SASL authenticating as app10788718%40heroku.com
2013-01-08T19:55:20+00:00 app[web.1]:
2013-01-08T19:55:20+00:00 app[web.1]:
2013-01-08T19:55:20+00:00 app[web.1]: Dalli/SASL: Authenticated
2013-01-08T19:55:20+00:00 app[web.1]: Started GET "/en" for 66.37.82.222 at 2013-01-08 19:55:20 +0000
2013-01-08T19:55:24+00:00 app[web.1]:
2013-01-08T19:55:24+00:00 app[web.1]: ActionView::Template::Error (File to import not found or unreadable: compass/reset.
2013-01-08T19:55:24+00:00 app[web.1]: Load path: Sass::Rails::Importer(/app/app/assets/stylesheets/application.css.sass)
2013-01-08T19:55:24+00:00 app[web.1]: (in /app/app/assets/stylesheets/a
pplication.css.sass)):
2013-01-08T19:55:24+00:00 app[web.1]: ** [Airbrake] Failure: Net::HTTPClientError
2013-01-08T19:55:24+00:00 app[web.1]: ** [Airbrake] Environment Info: [Ruby: 1.9.2] [Rails: 3.2.7] [Env: production]
2013-01-08T19:55:24+00:00 app[web.1]: Your account is being provisioned or no longer active.
2013-01-08T19:55:24+00:00 app[web.1]: ** [Airbrake] Response from Airbrake:
2013-01-08T19:55:24+00:00 app[web.1]:
2013-01-08T19:55:24+00:00 app[web.1]: app/views/layouts/application.html.slim:25:in `_app_views_layouts_application_html_slim___1907562053076719698_60592900'
2013-01-08T19:55:24+00:00 app[web.1]:
2013-01-08T19:55:24+00:00 app[web.1]: 26: /[if lt IE 9]
2013-01-08T19:55:24+00:00 app[web.1]:
2013-01-08T19:55:24+00:00 app[web.1]: Completed 500 Internal Server Error in 1030ms
2013-01-08T19:55:24+00:00 app[web.1]: Processing by ProjectsController#index as HTML
2013-01-08T19:55:24+00:00 app[web.1]: Parameters: {"locale"=>"en"}
2013-01-08T19:55:24+00:00 app[web.1]: 22: meta property="fb:app_id" content=Configuration['site.facebook_app_id']
2013-01-08T19:55:24+00:00 app[web.1]: 23: meta property="og:description" content==(t('projects.index_header.title') + '. ' + t('projects.index_header.subtitle'))
2013-01-08T19:55:24+00:00 app[web.1]: 27: = javascript_include_tag "http://html5shiv.googlecode.com/svn/trunk/html5.js"
2013-01-08T19:55:24+00:00 app[web.1]: 24:
2013-01-08T19:55:24+00:00 app[web.1]: 25: = stylesheet_link_tag 'application', :media => 'screen, projection'
2013-01-08T19:55:24+00:00 app[web.1]: app/assets/stylesheets/application.css.sass:1
2013-01-08T19:55:24+00:00 app[web.1]: 28: = yield :js_templates
2013-01-08T19:55:24+00:00 app[web.1]: Rendered projects/_recommended_header.html.slim (77.0ms)
2013-01-08T19:55:24+00:00 app[web.1]: Rendered projects/index.html.slim within layouts/application (291.9ms)
2013-01-08T19:55:27+00:00 app[web.1]:
2013-01-08T19:55:27+00:00 app[web.1]:
2013-01-08T19:55:27+00:00 app[web.1]:
2013-01-08T19:55:27+00:00 app[web.1]:
2013-01-08T19:55:27+00:00 app[web.1]: Started GET "/" for 66.37.82.222 at 2013-01-08 19:55:27 +0000
2013-01-08T19:55:27+00:00 app[web.1]: Processing by ProjectsController#index as HTML
2013-01-08T19:55:27+00:00 app[web.1]: Redirected to http://catarse-lake.herokuapp.com/en
2013-01-08T19:55:27+00:00 app[web.1]: Filter chain halted as :detect_locale rendered or redirected
2013-01-08T19:55:27+00:00 app[web.1]: Completed 302 Found in 1ms (ActiveRecord: 0.0ms)
2013-01-08T19:55:28+00:00 heroku[router]: at=info method=GET path=/en host=catarse-lake.herokuapp.com fwd=66.37.82.222 dyno=web.1 queue=0 wait=0ms connect=2ms service=193ms status=500 bytes=728
2013-01-08T19:55:27+00:00 app[web.1]: Started GET "/en" for 66.37.82.222 at 2013-01-08 19:55:27 +0000
2013-01-08T19:55:28+00:00 app[web.1]: Rendered projects/_recommended_header.html.slim (1.8ms)
2013-01-08T19:55:28+00:00 app[web.1]: ** [Airbrake] Failure: Net::HTTPClientError
2013-01-08T19:55:28+00:00 app[web.1]: ** [Airbrake] Environment Info: [Ruby: 1.9.2] [Rails: 3.2.7] [Env: production]
2013-01-08T19:55:28+00:00 app[web.1]: ** [Airbrake] Response from Airbrake:
2013-01-08T19:55:28+00:00 app[web.1]: Your account is being provisioned or no longer active.
2013-01-08T19:55:28+00:00 app[web.1]:
2013-01-08T19:55:28+00:00 app[web.1]: Parameters: {"locale"=>"en"}
2013-01-08T19:55:28+00:00 app[web.1]: Rendered projects/index.html.slim within layouts/application (11.8ms)
2013-01-08T19:55:28+00:00 app[web.1]:
2013-01-08T19:55:28+00:00 app[web.1]: ActionView::Template::Error (File to import not found or unreadable: compass/reset.
2013-01-08T19:55:28+00:00 app[web.1]: Load path: Sass::Rails::Importer(/app/app/assets/stylesheets/application.css.sass)
2013-01-08T19:55:28+00:00 app[web.1]: (in /app/app/assets/stylesheets/application.css.sass)):
2013-01-08T19:55:28+00:00 app[web.1]: 22: meta property="fb:app_id" content=Configuration['site.facebook_app_id']
2013-01-08T19:55:28+00:00 app[web.1]: 23: meta property="og:description" content==(t('projects.index_header.title') + '. ' + t('projects.index_header.subtitle'))
2013-01-08T19:55:28+00:00 app[web.1]: 24:
2013-01-08T19:55:28+00:00 app[web.1]: 25: = stylesheet_link_tag 'application', :media => 'screen, projection'
2013-01-08T19:55:28+00:00 app[web.1]: 26: /[if lt IE 9]
2013-01-08T19:55:28+00:00 app[web.1]: 27: = javascript_include_tag "http://html5shiv.googlecode.com/svn/trunk/html5.js"
2013-01-08T19:55:28+00:00 app[web.1]: 28: = yield :js_templates
2013-01-08T19:55:28+00:00 app[web.1]: app/assets/stylesheets/application.css.sass:1
2013-01-08T19:55:28+00:00 app[web.1]: app/views/layouts/application.html.slim:25:in `_app_views_layouts_application_html_slim___1907562053076719698_60592900'
2013-01-08T19:55:28+00:00 app[web.1]:
2013-01-08T19:55:28+00:00 app[web.1]:
2013-01-08T19:55:28+00:00 app[web.1]: Completed 500 Internal Server Error in 51ms
2013-01-08T19:55:28+00:00 app[web.1]: Processing by ProjectsController#index as HTML
2013-01-08T19:55:27+00:00 heroku[router]: at=info method=GET path=/ host=catarse-lake.herokuapp.com fwd=66.37.82.222 dyno=web.1 queue=0 wait=0ms connect=1ms service=10ms status=302 bytes=102
2013-01-08T19:55:24+00:00 heroku[router]: at=info method=GET path=/en host=catarse-lake.herokuapp.com fwd=66.37.82.222 dyno=web.1 queue=0 wait=2ms connect=2ms service=4406ms status=500 bytes=728
答案 0 :(得分：0)
所以这里的问题是在production.rb
这一行 config.action_mailer.default_url_options = {host :: :: Configuration [：host]}
投掷了一个未初始化的常量配置并阻止了 资产编译器来自运行。
所以我删除了线，一切都很好。关于为什么以及如何修复的评论将受到欢迎