bar*_*can 8 ruby debugging ruby-on-rails
我从Rails 3.0迁移到3.2.
我尝试显示页面时出错,只有这个小堆栈跟踪:
SystemStackError in UserController#show
stack level too deep
SystemStackError (stack level too deep):
activesupport (3.2.1) lib/active_support/callbacks.rb:415
Rendered /home/barbacan/.rvm/gems/ruby-1.9.2-head/gems/actionpack-3.2.1/lib/action_dispatch/middleware/templates/rescues/_trace.erb (55.3ms)
Rendered /home/barbacan/.rvm/gems/ruby-1.9.2-head/gems/actionpack-3.2.1/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb (4.0ms)
Rendered /home/barbacan/.rvm/gems/ruby-1.9.2-head/gems/actionpack-3.2.1/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb within rescues/layout (61.4ms)
Run Code Online (Sandbox Code Playgroud)
日志不详细.
回调中会出现此问题:它是动态代码,并且很难调试.
您是否知道有助于我调试和查找此问题根源的工具或方法?
谢谢!
编辑:
在Ruby/RoR中,有一种方法可以列出所有被称为列表的方法吗?
您可以尝试在http://railscasts.com/episodes/280-pry-with-rails上使用Pry和railscast ,然后您可以在可能的位置设置断点并手动单步执行。
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