# File lib/mongrel.rb, line 972
    def debug(location, what = [:object, :rails, :files, :threads, :params])
      require 'mongrel/debug'
      handlers = {
        :object => "/handlers/requestlog::access", 
        :rails => "/handlers/requestlog::files", 
        :files => "/handlers/requestlog::objects", 
        :threads => "/handlers/requestlog::threads",
        :params => "/handlers/requestlog::params"
      }

      # turn on the debugging infrastructure, and ObjectTracker is a pig
      ObjectTracker.configure if what.include? :object
      MongrelDbg.configure

      # now we roll through each requested debug type, turn it on and load that plugin
      what.each do |type| 
        MongrelDbg.begin_trace type 
        uri location, :handler => plugin(handlers[type])
      end
    end