root.rb in vagrant-unbundled-2.0.2.0

- old
+ new

@@ -14,10 +14,11 @@
         # @param [Hash] config_map Map of key to config class.
         def initialize(config_map, keys=nil)
           @keys              = keys || {}
           @config_map        = config_map
           @missing_key_calls = Set.new
+          @logger            = Log4r::Logger.new("vagrant::config")
         end
 
         # We use method_missing as a way to get the configuration that is
         # used for Vagrant and load the proper configuration classes for
         # each.
@@ -28,9 +29,10 @@
           if config_klass
             # Instantiate the class and return the instance
             @keys[name] = config_klass.new
             return @keys[name]
           else
+            @logger.debug("missing key request name=#{name} loc=#{caller.first}")
             # Record access to a missing key as an error
             @missing_key_calls.add(name.to_s)
             return DummyConfig.new
           end
         end