json - 访问 webhook URL 时出现错误 "Action Error: no matching intent handler for: null"

Question

我正在尝试从对话流中调用 webhook，但没有从 webhook 获得响应，这是我从响应部分获得的响应，这是我有意为之的。我还为每个意图启用了 webhook，并将从 firebase CLI 生成的 webhook URL 放在 fulfillment URL 部分。我附上了我们在对话流“显示 JSON”和 index.js 文件中看到的 firebase 日志和 JSON 响应的屏幕截图。我被困了 2 周来解决它。

'use strict';

process.env.DEBUG = 'actions-on-google:*';
const { DialogflowApp } = require('actions-on-google');
const functions = require('firebase-functions');
let express = require('express');
let bodyParser = require('body-parser');

// Constants for Dialogflow Agent Actions
let app = express();
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json({type: 'application/json'}));

const BYE_RESPONSE = 'input.search';
const WELCOME = 'input.welcome';

exports.helloAssistant = functions.https.onRequest((req, res) => {
  console.log('Request headers: ' + JSON.stringify(req.headers));
  console.log('Request body: ' + JSON.stringify(req.body));
  const asst = new DialogflowApp({request: req, response: res});


  // Welcome
  function welcome(asst) {
    asst.ask('Want to search product or order history');
    asst.tell('hello Neeraj!');
  }

  // Leave conversation with SimpleResponse

  function byeResponse (asst) {
    app.post('/',function (req, res) {
      var myProduct = req.body.result.parameters["productParameter"];
      //let intent=asst.getIntent();
      var address ="https://ipadress/rest/v2/electronics/products/search";
      var address1="https://ipadress";
      switch(myProduct){
        case 'BYE_RESPONSE':
          req.post(address);
          break;

        case 'WELCOME':
          asst.tell('welcome!');
          break;

        default:
          req.post(address1);
          break;
      }

      asst.tell('We swear to serve the master of the Precious.');
    });
  }

  const actionMap = new Map();
  actionMap.set(WELCOME, welcome);

  actionMap.set(BYE_RESPONSE, byeResponse);
  actionMap.set(WELCOME, welcome);
  asst.handleRequest(actionMap);
});

. json response in dialogflow

. firebase log

Answer 1

我刚刚遇到了这个完全相同的错误，这是因为我忘记将我的意图名称放在 Enter action name 中引起的Actions 的领域部分。

所以，它正在传递 null作为意图名称，因为我没有指定。

我只是通过非常仔细 重读才弄明白 https://developers.google.com/actions/dialogflow/first-app .