Question

当我为Rails应用程序运行服务器时，我看到了一件奇怪的事情。这是日志：

Jatins-MacBook-Pro: silverSpoon$ rails s
=> Booting Thin
=> Rails 3.2.8 application starting in development on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
>> Thin web server (v1.5.0 codename Knife)
>> Maximum connections set to 1024
>> Listening on 0.0.0.0:3000, CTRL+C to stop


Started GET "/app/update-progress" for 127.0.0.1 at 2013-05-19 15:04:56 +0530
Connecting to database specified by database.yml

ActionController::RoutingError (No route matches [GET] "/app/update-progress"):
  actionpack (3.2.8) lib/action_dispatch/middleware/debug_exceptions.rb:21:in `call'
  actionpack (3.2.8) lib/action_dispatch/middleware/show_exceptions.rb:56:in `call'
  railties (3.2.8) lib/rails/rack/logger.rb:26:in `call_app'
  railties (3.2.8) lib/rails/rack/logger.rb:16:in `call'
  actionpack (3.2.8) lib/action_dispatch/middleware/request_id.rb:22:in `call'
  rack (1.4.1) lib/rack/methodoverride.rb:21:in `call'
  rack (1.4.1) lib/rack/runtime.rb:17:in `call'
  activesupport (3.2.8) lib/active_support/cache/strategy/local_cache.rb:72:in `call'
  rack (1.4.1) lib/rack/lock.rb:15:in `call'
  actionpack (3.2.8) lib/action_dispatch/middleware/static.rb:62:in `call'
  railties (3.2.8) lib/rails/engine.rb:479:in `call'
  railties (3.2.8) lib/rails/application.rb:223:in `call'
  rack (1.4.1) lib/rack/content_length.rb:14:in `call'
  railties (3.2.8) lib/rails/rack/log_tailer.rb:17:in `call'
  thin (1.5.0) lib/thin/connection.rb:81:in `block in pre_process'
  thin (1.5.0) lib/thin/connection.rb:79:in `catch'
  thin (1.5.0) lib/thin/connection.rb:79:in `pre_process'
  thin (1.5.0) lib/thin/connection.rb:54:in `process'
  thin (1.5.0) lib/thin/connection.rb:39:in `receive_data'
  eventmachine (1.0.1) lib/eventmachine.rb:187:in `run_machine'
  eventmachine (1.0.1) lib/eventmachine.rb:187:in `run'
  thin (1.5.0) lib/thin/backends/base.rb:63:in `start'
  thin (1.5.0) lib/thin/server.rb:159:in `start'
  rack (1.4.1) lib/rack/handler/thin.rb:13:in `run'
  rack (1.4.1) lib/rack/server.rb:265:in `start'
  railties (3.2.8) lib/rails/commands/server.rb:70:in `start'
  railties (3.2.8) lib/rails/commands.rb:55:in `block in <top (required)>'
  railties (3.2.8) lib/rails/commands.rb:50:in `tap'
  railties (3.2.8) lib/rails/commands.rb:50:in `<top (required)>'
  script/rails:6:in `require'
  script/rails:6:in `<main>'

Rendered /Users/silverSpoon/.rvm/gems/ruby-1.9.3-p194@fbTracker/gems/actionpack-3.2.8/lib/action_dispatch/middleware/templates/rescues/routing_error.erb within rescues/layout (2.3ms)

然后，请求重复进行。请指导我找到此类行为的原因以及如何解决此问题。

rake:routes的输出是：

bash-3.2$ rake routes
    trackers        /trackers(.:format)                tracker#index
        root        /                                  home#index
       users POST   /users(.:format)                   users#create
   edit_user GET    /users/:id/edit(.:format)          users#edit
        user GET    /users/:id(.:format)               users#show
             PUT    /users/:id(.:format)               users#update
             DELETE /users/:id(.:format)               users#destroy
                    /auth/:provider/callback(.:format) sessions#create
auth_failure        /auth/failure(.:format)            :controller#:action
     signout        /signout(.:format)                 sessions#destroy
                    /online/:id(.:format)              users#function

如果您需要更多信息，请与我们联系。

Answer 1

您的应用没有到/app/update_progress的路线。所以它是以下之一，在你的应用程序中调用它：

您应用中的Javascript代码（您是否有机会使用this Bootstrap Progressbar？）

要测试这是否是问题的根源 - 打开Chrome开发者工具并转到Network panel。现在打开您的应用程序localhost:3000。如果您在此“网络”标签中看到localhost:3000/app/update_progress的一致调用，则表示您的应用程序正在从Javascript触发这些请求。现在，您需要搜索代码库以找出javascript代码的位置。它可能在你已下载的某个jquery扩展中。您可以create a breakpoint in Javascript whenever an Ajax request is made到/app/update_progress。
chrome / firefox扩展程序

要排除这种情况，请以隐身模式打开Chrome / Firefox（通常会禁用所有扩展程序），然后打开您的应用程序。如果您仍然看到/app/update_progress的点击次数，则很可能不是导致问题的扩展。
您正在使用的一些外部宝石

如果上述两个没有实现，则发布您的Gemfile。

Answer 2

我不确定你的问题是什么。

启动服务器时，它会收到

请求

http://127.0.0.1:3000/app/update-progress

但是这个请求没有路由（Rails不知道如何处理该请求）所以你得到了这个错误。

要处理该请求，请添加路线：

match '/app/update-progress/' => 'some#action'

要了解有关请求的更多信息，请检查操作中的request对象。

来自Rails应用程序的Enigmatic GET请求

2 个答案: