Ruby on rails ActionController:页面加载时静态内容（如图像）的路由错误

当我的应用程序在浏览器中显示页面时，我在Rails 4服务器日志中看到以下错误

我在其他页面上也看到了这种情况，只要有一些图片

错误日志：

Started HEAD "/assets/login_header-117f87e381545e9f6d5a7accb7aa72188a0304644af6891c42e1cd57f38fad67@2x.jpg" for 127.0.0.1 at 2016-02-26 12:31:54 -0500

ActionController::RoutingError (No route matches [HEAD] "/assets/login_header-117f87e381545e9f6d5a7accb7aa72188a0304644af6891c42e1cd57f38fad67@2x.jpg"):
  actionpack (4.2.2) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
  actionpack (4.2.2) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
  railties (4.2.2) lib/rails/rack/logger.rb:38:in `call_app'
  railties (4.2.2) lib/rails/rack/logger.rb:20:in `block in call'
  activesupport (4.2.2) lib/active_support/tagged_logging.rb:68:in `block in tagged'
  activesupport (4.2.2) lib/active_support/tagged_logging.rb:26:in `tagged'
  activesupport (4.2.2) lib/active_support/tagged_logging.rb:68:in `tagged'
  railties (4.2.2) lib/rails/rack/logger.rb:20:in `call'
  request_store (1.3.0) lib/request_store/middleware.rb:9:in `call'
  actionpack (4.2.2) lib/action_dispatch/middleware/request_id.rb:21:in `call'
  rack (1.6.4) lib/rack/methodoverride.rb:22:in `call'
  rack (1.6.4) lib/rack/runtime.rb:18:in `call'
  rack (1.6.4) lib/rack/lock.rb:17:in `call'
  actionpack (4.2.2) lib/action_dispatch/middleware/static.rb:113:in `call'
  rack (1.6.4) lib/rack/sendfile.rb:113:in `call'
  railties (4.2.2) lib/rails/engine.rb:518:in `call'
  railties (4.2.2) lib/rails/application.rb:164:in `call'
  rack (1.6.4) lib/rack/content_length.rb:15:in `call'
  thin (1.6.4) lib/thin/connection.rb:86:in `block in pre_process'
  thin (1.6.4) lib/thin/connection.rb:84:in `catch'
  thin (1.6.4) lib/thin/connection.rb:84:in `pre_process'
  thin (1.6.4) lib/thin/connection.rb:53:in `process'
  thin (1.6.4) lib/thin/connection.rb:39:in `receive_data'
  eventmachine (1.0.9.1) lib/eventmachine.rb:193:in `run_machine'
  eventmachine (1.0.9.1) lib/eventmachine.rb:193:in `run'
  thin (1.6.4) lib/thin/backends/base.rb:73:in `start'
  thin (1.6.4) lib/thin/server.rb:162:in `start'
  rack (1.6.4) lib/rack/handler/thin.rb:19:in `run'
  rack (1.6.4) lib/rack/server.rb:286:in `start'
  railties (4.2.2) lib/rails/commands/server.rb:80:in `start'
  railties (4.2.2) lib/rails/commands/commands_tasks.rb:80:in `block in server'
  railties (4.2.2) lib/rails/commands/commands_tasks.rb:75:in `tap'
  railties (4.2.2) lib/rails/commands/commands_tasks.rb:75:in `server'
  railties (4.2.2) lib/rails/commands/commands_tasks.rb:39:in `run_command!'
  railties (4.2.2) lib/rails/commands.rb:17:in `<top (required)>'
  bin/rails:8:in `require'
  bin/rails:8:in `<main>'

startedhead”/assets/login\u头-117f87e381545e9f6d5a7accb7aa72188a0304644af6891c42e1cd57f38fad67@2x.jpg“2016-02-26 12:31:54-0500时的127.0.0.1
ActionController:：RoutingError（没有与[HEAD]匹配的路由“/assets/login\u头-117f87e381545e9f6d5a7accb7aa72188a0304644af6891c42e1cd57f38fad67@2x.jpg"):
actionpack（4.2.2）lib/action\u dispatch/middleware/debug\u exceptions.rb:21:in'call'
actionpack（4.2.2）lib/action\u dispatch/middleware/show\u exceptions.rb:30:in'call'
railties（4.2.2）lib/rails/rack/logger.rb:38:in'call_app'
railties（4.2.2）lib/rails/rack/logger.rb:20:in'block in call'
activesupport（4.2.2）lib/active\u support/taged\u logging.rb:68:in'block in taged'
activesupport（4.2.2）lib/active\u support/taged\u logging.rb:26:in'taged'
activesupport（4.2.2）lib/active\u support/taged\u logging.rb:68:in'taged'
railties（4.2.2）lib/rails/rack/logger.rb:20:in'call'
request_store（1.3.0）lib/request_store/middleware.rb:9:in'call'
actionpack（4.2.2）lib/action\u dispatch/middleware/request\u id.rb:21:in'call'
rack（1.6.4）lib/rack/methodoverride.rb:22:in'call'
rack（1.6.4）lib/rack/runtime.rb:18:in'call'
机架（1.6.4）lib/rack/lock.rb:17:in'call'
actionpack（4.2.2）lib/action\u dispatch/middleware/static.rb:113:in'call'
rack（1.6.4）lib/rack/sendfile.rb:113:in'call'
railties（4.2.2）lib/rails/engine.rb:518:in'call'
railties（4.2.2）lib/rails/application.rb:164:in'call'
机架（1.6.4）lib/rack/content_length.rb:15:in'call'
精简（1.6.4）lib/thin/connection.rb:86:in'block in pre_进程'
精简（1.6.4）lib/thin/connection.rb:84:in'catch'
精简（1.6.4）lib/thin/connection.rb:84:in'pre_进程'
精简（1.6.4）lib/thin/connection.rb:53:in'process'
精简（1.6.4）lib/thin/connection.rb:39:in'receive_data'
eventmachine（1.0.9.1）lib/eventmachine.rb:193:in'run_machine'
eventmachine（1.0.9.1）lib/eventmachine.rb:193:in'run'
精简（1.6.4）lib/thin/backends/base.rb:73:in'start'
精简（1.6.4）lib/thin/server.rb:162:in'start'
机架（1.6.4）lib/rack/handler/thin.rb:19:in'run'
机架（1.6.4）lib/rack/server.rb:286:in'start'
railties（4.2.2）lib/rails/commands/server.rb:80:in'start'
railties（4.2.2）lib/rails/commands/commands_tasks.rb:80:in'block in server'
railties（4.2.2）lib/rails/commands/commands_tasks.rb:75:in'tap'
railties（4.2.2）lib/rails/commands/commands_tasks.rb:75:in'server'
railties（4.2.2）lib/rails/commands/commands\u tasks.rb:39:in'run\u command！'
railties（4.2.2）lib/rails/commands.rb:17:in`'
箱子/轨道：8:in“require”
箱子/轨道：8:in`'

您是否在生产或开发模式中遇到此错误？请执行

rake assets:clean

，然后执行

rake assets:precompile

让我知道这是否有效，我当然可以尝试一下。但仅供参考，我的资产图像文件夹中有login_header.jpg文件，但没有login_header2x.jpg文件。