我从其他开发者那里继承了一个应用程序，并添加了一个错误通知服务，现在收到了1,408次错误，我无法深入了解...
错误很简单：
TypeError：无法转储MatchData
只有堆栈跟踪中的非项目框架....
我可以看到这个错误最终发生在activesupport gem message_verifier.rb文件中的哪个位置，但我认为应用程序或配置中最初导致它的错误，并且我不确定如何跟踪此错误的最佳方法我们回到原点。让我觉得有些人可能会看到并立即认出它。建议赞赏....
这是堆栈跟踪：
File "xxx/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.22.2/lib/active_support/message_verifier.rb" line 53 in dump
File "xxx/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.22.2/lib/active_support/message_verifier.rb" line 53 in generate
File "xxx/shared/bundle/ruby/1.9.1/gems/actionpack-3.2.22.2/lib/action_dispatch/middleware/cookies.rb" line 300 in []=
File "xxx/shared/bundle/ruby/1.9.1/gems/actionpack-3.2.22.2/lib/action_dispatch/middleware/session/cookie_store.rb" line 64 in set_cookie
File "xxx/shared/bundle/ruby/1.9.1/gems/rack-1.4.7/lib/rack/session/abstract/id.rb" line 335 in commit_session
File "xxx/shared/bundle/ruby/1.9.1/gems/rack-1.4.7/lib/rack/session/abstract/id.rb" line 211 in context
File "xxx/shared/bundle/ruby/1.9.1/gems/rack-1.4.7/lib/rack/session/abstract/id.rb" line 205 in call
File "xxx/shared/bundle/ruby/1.9.1/gems/actionpack-3.2.22.2/lib/action_dispatch/middleware/cookies.rb" line 341 in call
File "xxx/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.22.2/lib/active_record/query_cache.rb" line 64 in call
File "xxx/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.22.2/lib/active_record/connection_adapters/abstract/connection_pool.rb" line 479 in call
File "xxx/shared/bundle/ruby/1.9.1/gems/actionpack-3.2.22.2/lib/action_dispatch/middleware/callbacks.rb" line 28 in block in call
File "xxx/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.22.2/lib/active_support/callbacks.rb" line 405 in _run__656928281__call__438689938__callbacks
File "xxx/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.22.2/lib/active_support/callbacks.rb" line 405 in __run_callback
File "xxx/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.22.2/lib/active_support/callbacks.rb" line 385 in _run_call_callbacks
File "xxx/shared/bundle/ruby/1.9.1/gems/activesupport-3.2.22.2/lib/active_support/callbacks.rb" line 81 in run_callbacks
File "xxx/shared/bundle/ruby/1.9.1/gems/actionpack-3.2.22.2/lib/action_dispatch/middleware/callbacks.rb" line 27 in call
File "xxx/shared/bundle/ruby/1.9.1/gems/actionpack-3.2.22.2/lib/action_dispatch/middleware/remote_ip.rb" line 31 in