此替代方法解决了我的问题: https://rails.lighthouseapp.com/projects/8994/tickets/4690#ticket-4690-23

This workaround fixed mine: https://rails.lighthouseapp.com/projects/8994/tickets/4690#ticket-4690-23

基本上是在config/initializers下添加此mongrel.rb

It is basically adding this mongrel.rb under config/initializers

http://gist.github.com/471663