HTTP / HTTPS GET 请求 Alexa 技能 - “响应无效” Lambda 响应

Question

我正在构建一种 Alexa 技能，可以告诉用户最近的 Kaiser Permanente 医院、诊所或药房。当我使用三个关键字之一进行测试时，出现错误：The response is invalid.

给出无效（不使用三个关键字）响应会给我错误：The remote endpoint could not be called, or the response it returned was invalid.

我不知道如何找出问题所在或问题所在，因为我没有得到有关该问题的任何详细信息。

function getWelcomeResponse(callback) {
  var speechOutput = "Welcome to the Kaiser Permanente Alexa Skill. Allow me to help you find the nearest Kaiser hospital, pharmacy, or clinic.";
  var reprompt = "Would you like me to help you find the nearest Kaiser hospital, pharmacy, or clinic?";
  var header = "Kaiser Permanente Skill";
  var shouldEndSession = false;
  var sessionAttributes = {
    "speechOutput" : speechOutput,
    "repromptText" : reprompt,
  };

  callback(sessionAttributes, buildSpeechletResponse(header, speechOutput, reprompt, shouldEndSession));
}

function handleGetKaiserBuildingIntent(intent, session, callback) {
  var buildingType = intent.slots.Building.value.toLowerCase();
  var speechOutput = "We have an error fam.";

  if (buildingType != BLDG_TYPE.PHARMACY ||
      buildingType != BLDG_TYPE.CLINIC ||
      buildingType != BLDG_TYPE.HOSPITAL) {
    speechOutput = "Please try again. I can help you find the nearest Kaiser hospital, clinic, or pharmacy.";
    var repromptText = "Please try again. I can help you find the nearest Kaiser hospital, clinic, or pharmacy.";
    var header = "Error fam.";
  } else {
    getJSON(function(data) {
      if (data != "ERROR") {
        speechOutput = data;
      }
      callback(session.attributes, buildSpeechletResponseWithoutCard(speechOutput, "", true));
    }, buildingType);
  }
}

function getJSON(callback, building) {
  request.get(url(building), function(error, response, body) {
    var d = JSON.parse(body);
    var result = d.list[0].contents.title;

    if (result != null) {
      callback(result);
    } else {
      callback("ERROR");
    }
  });
}

function url(building) {
  switch (building) {
    case BLDG_TYPE.HOSPITAL:
      return "http://xjzxdss0040x.dta.kp.org/search/cgi-bin/query-meta?v%3Aproject=kp-mg-facdir-project&v:sources=kp-mg-facdir-proximity&query=hospital&user_lat=37.928243&user_lon=-121.9700594&render.function=json-feed-display-brief&content-type=application-json";
      break;
    case BLDG_TYPE.PHARMACY:
      return "http://xjzxdss0040x.dta.kp.org/search/cgi-bin/query-meta?v%3Aproject=kp-mg-facdir-project&v:sources=kp-mg-facdir-proximity&query=pharmacy&user_lat=37.928243&user_lon=-121.9700594&render.function=json-feed-display-brief&content-type=application-json";
      break;
    case BLDG_TYPE.CLINIC:
      return "http://xjzxdss0040x.dta.kp.org/search/cgi-bin/query-meta?v%3Aproject=kp-mg-facdir-project&v:sources=kp-mg-facdir-proximity&query=clinic&user_lat=37.928243&user_lon=-121.9700594&render.function=json-feed-display-brief&content-type=application-json";
      break;
    default:
      break;
  }
}

Answer 1

很难说你的问题是你所给予的。可能是上传的 Lambda 函数不正确，或者您的 JSON 响应可能太大，从而达到响应大小限制。解决此问题的最佳方法是查看 Cloudwatch 中的错误日志并查看其内容。

Answer 2

您还可以尝试在 GET 请求返回时返回一个简单的硬编码字符串，以确保到那时为止的所有内容都正常工作。然后用响应中的数据替换硬编码的字符串。