# File lib/cucumber/cli/drb_client.rb, line 12
      def self.run(args, error_stream, out_stream, port = nil)
        port ||= ENV["CUCUMBER_DRB"] || DEFAULT_PORT

        # See http://redmine.ruby-lang.org/issues/show/496 as to why we specify localhost:0
        begin
          DRb.start_service("druby://localhost:0")
        rescue SocketError
        # Ruby-1.8.7 on snow leopard doesn't like localhost:0 - but just :0
        # seems to work just fine
          DRb.start_service("druby://:0")
        end
        feature_server = DRbObject.new_with_uri("druby://127.0.0.1:#{port}")
        cloned_args = [] # I have no idea why this is needed, but if the regular args are sent then DRb magically transforms it into a DRb object - not an array
        args.each { |arg| cloned_args << arg }
        feature_server.run(cloned_args, error_stream, out_stream)
      rescue DRb::DRbConnError => e
        raise DRbClientError, "No DRb server is running."
      end