# File lib/chef/expander/vnode_supervisor.rb, line 129
      def self.wait_for_http_requests_to_complete
        if Expander::Solrizer.http_requests_active?
          log.info { "waiting for in progress HTTP Requests to complete"}
          EM.add_timer(1) do
            wait_for_http_requests_to_complete
          end
        else
          log.info { "HTTP requests completed, shutting down"}
          AMQP.stop
          EM.stop
        end
      end