anchor.diff:  
     onReceiveResponse(KNode node, HetimaReceiveUdpInfo info, KrpcMessage response) {
       if (node.isStart == false) {
  -      //return null;
  +      return null;
       }
       findNodeAI.onReceiveResponse(node, info, response);
       announceAI.onReceiveResponse(node, info, response);
  
positive.code: 
    onReceiveQuery(KNode node, HetimaReceiveUdpInfo info, KrpcMessage query) {
      if (node.isStart  == false) {
        //return null;
      }
      node.rootingtable.update(new KPeerInfo(info.remoteAddress, info.remotePort, query.nodeIdAsKId));
      switch (query.queryAsString) {
  
negative.code: 
    onReceiveError(KNode node, HetimaReceiveUdpInfo info, KrpcMessage message) {
      if (node.isStart  == false) {
        return null;
      }
      findNodeAI.onReceiveError(node, info, message);
      announceAI.onReceiveError(node, info, message);
  