502(坏网关)对机器人进行POST时

时间:2017-08-22 13:00:22

标签: node.js botframework direct-line-botframework

我正在使用HTTP-GET和普通JS构建一个非常简单的交互式BOT。 有时我让BOT做时间密集的处理,需要40秒才能回复。在这种情况下,我得到了POST的以下响应。

  1. 那么,这次回归是预期的吗?

  2. 我做了哪些更改,以便收到有意义的回复,而不将此情况视为真正的错误?

  3. 处理此方案的其他建议是什么?

  4. 谢谢!

    502 (Bad Gateway)
    {
      "error": {
        "code": "ServiceError",
        "message": "Failed to send activity: bot returned an error"
      }
    }
    

    发布请求

    //send token and message
    function sendMessage() {
      var xhttp = new XMLHttpRequest();
      xhttp.onreadystatechange = function() {
    
    
        if (this.readyState == 4 && this.status == 200) {
    
          var responseObj = JSON.parse(this.responseText);
          convMsgID =responseObj.id;
          latestUserMessage = document.getElementById('textToSend').value;
          showUserMessage();
          document.getElementById('textToSend').value = "";
          getReply();
        }
        else{
          console.log("error :"+ this.responseText);
        }
    
      };
      var postUrl = "https://directline.botframework.com/v3/directline/conversations/" + convID + "/activities";
      xhttp.open("POST", postUrl, true);
    
      var authToken="Bearer " + convToken;
      xhttp.setRequestHeader("Authorization", authToken);
      xhttp.setRequestHeader("Content-Type", "application/json");
    
    
    
      var messageBody = '{"type": "message","from": {"id": "user1"},"text": "';
          messageBody =  messageBody + document.getElementById("textToSend").value;
          messageBody = messageBody + '"}';
    
      console.log("messageBody"+ messageBody);
      xhttp.send(messageBody);
      document.getElementById("send-icon").src="./send.png";
    
    }
    

    获取请求

        function getReply() {
      var xhttp = new XMLHttpRequest();
      xhttp.onreadystatechange = function() {
    
    
    
        if (this.readyState == 4 && this.status == 200) {
    
          var responseObj = JSON.parse(this.responseText);
          console.log("length" + (responseObj.activities.length -1));
          console.log("response :"+ responseObj.activities[responseObj.activities.length -1].text);
          latestBotMessage = responseObj.activities[responseObj.activities.length - 1].text
    
    
          showBotMessage();
        }
        else{
            console.log("response"+ this.responseText);
        }
    
      };
      var postUrl = "https://directline.botframework.com/v3/directline/conversations/" + convID + "/activities";
    
      xhttp.open("GET", postUrl, true);
    
      var authToken="Bearer " + convToken;
      xhttp.setRequestHeader("Authorization", authToken);
     xhttp.send();
    
    }
    

1 个答案:

答案 0 :(得分:0)

1)是的,如果机器人需要超过15秒的时间来回复

,那么预计会有502

2& 3)在开始长时间运行的过程之前响应用户。让一些工作人员执行长时间操作(Azure功能?),完成后,将结果作为主动消息发送给用户:https://docs.microsoft.com/en-us/bot-framework/nodejs/bot-builder-nodejs-proactive-messages