ActionController::Base:Class的未定义方法`page_cache_extension

Question

由于某些原因，当我运行我的应用程序时，我得到了"undefined method `page_cache_extension‘For ActionController::Base:Class“错误。

奇怪的是，它似乎只在我启动机器并启动服务器后的第一次启动时发生。如果我刷新页面-它加载正常。如果我重新启动我的服务器-它也工作得很好。

我在windows7上使用rails 3.0.9和ruby 1.9.2，我想这是在我升级到3.0.7之后开始发生的。至少，在3.0.3版本中，我没有得到这个。

下面是跟踪信息：

[2011-06-28 15:16:39] INFO  WEBrick 1.3.1
[2011-06-28 15:16:39] INFO  ruby 1.9.2 (2011-02-18) [i386-mingw32]
[2011-06-28 15:16:39] INFO  WEBrick::HTTPServer#start: pid=5292 port=3000
[2011-06-28 15:27:18] ERROR NoMethodError: undefined method `page_cache_extension' for ActionController::Base:Class
    D:/dev/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-3.0.9/lib/action_dispatch/middleware/static.rb:21:in `call'
    D:/dev/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.9/lib/rails/application.rb:168:in `call'
    D:/dev/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.9/lib/rails/application.rb:77:in `method_missing'
    D:/dev/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.9/lib/rails/rack/log_tailer.rb:14:in `call'
    D:/dev/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.3/lib/rack/content_length.rb:13:in `call'
    D:/dev/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.2.3/lib/rack/handler/webrick.rb:52:in `service'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/httpserver.rb:111:in `service'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/httpserver.rb:70:in `run'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'
Started GET "/" for 127.0.0.1 at 2011-06-28 15:27:21 +0400
  Processing by GamesController#index as HTML
  Category Load (2.0ms)  SELECT "categories".* FROM "categories"
  Game Load (17.0ms)  SELECT "games".* FROM "games" WHERE "games"."approved" = 't' AND "games"."published" = 't' ORDER BY approved_at DESC LIMIT 3

...

Rendered games/_game.haml (7.0ms)
Rendered games/index.haml within layouts/application (574.0ms)
Completed 200 OK in 638ms (Views: 586.0ms | ActiveRecord: 28.0ms)
[2011-06-28 15:27:23] ERROR Errno::ECONNABORTED: ��������� �� ����� ����-���������� ��������� ������������� �����������.
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/httpresponse.rb:323:in `write'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/httpresponse.rb:323:in `<<'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/httpresponse.rb:323:in `_write_data'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/httpresponse.rb:295:in `send_body_string'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/httpresponse.rb:186:in `send_body'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/httpresponse.rb:103:in `send_response'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/httpserver.rb:86:in `run'
    D:/dev/Ruby192/lib/ruby/1.9.1/webrick/server.rb:183:in `block in start_thread'

Answer 1

我从development.rb中删除了以下行

config.action_view.debug_rjs             = true
config.action_controller.perform_caching = false

不知道这样做对不对，但对我来说很管用。

Answer 2

在升级操作系统后，我也遇到了同样的问题。如果设置是使用RVM完成的，请仅使用以下命令：

rvm repair all

Answer 3

在我将haml添加到我的Gemfile之后，我得到了这个错误。这似乎是rails 3.1的rails更新中的一个错误

将rails更新到3.2.2并将haml更新到3.1.4修复了该问题。更多关于bug的信息可以在found here上找到。