捕获中未处理的承诺被拒绝

时间:2020-08-10 15:55:26

标签: node.js unhandled-promise-rejection

我在陷阱中遇到以下错误:

Blockquote UnhandledPromiseRejectionWarning:未处理的承诺拒绝。该错误是由于在没有catch块的情况下抛出异步函数而引起的,或者是拒绝了.catch()无法处理的承诺。

这是调用它的代码:

http({
      method: 'post',
      url: config.uri,
      headers: headers,
      data: data
    }).then(function (response) {
      resolve(response.data);
    }).catch(function (error) {
      console.log(error.response.data);
      reject(error.response.data);
    });

捕获中的console.log调用显示为:{状态:'ERROR',代码:'EMAIL_FAIL',消息:'电子邮件发送失败'

此代码调用该函数:

router.post('/declaration', csrf, async function (req, res, next) {
    let reqId = generateReqId();
    const ref = reqId.split('-')[0];
   let data = buildSubmission(fakeSub, res.locals.locale.toUpperCase(), ref);
    let headers = { ref: data.ref, reqId: reqId };
    const response = await callAPI.submitApplication(data, headers);

    casaApp.endSession(req).then(() => {
      res.status(302).render('../views/pages/confirmation.njk');
    }).catch((err) => {
      console.log(err);
      res.status(302).render('../views/pages/exit-error.njk');
    });
  });

我为什么要得到这个? 我希望代码返回到将处理该问题的调用段。 有什么建议吗?

1 个答案:

答案 0 :(得分:0)

您没有从callAPI.submitApplication请求中捕获错误:

router.post('/declaration', csrf, async function (req, res, next) {
    const reqId = generateReqId();
    const ref = reqId.split('-')[0];
    const data = buildSubmission(fakeSub, res.locals.locale.toUpperCase(), ref);
    const headers = { ref: data.ref, reqId: reqId };
    try {
      const response = await callAPI.submitApplication(data, headers);
      await casaApp.endSession(req);
      res.status(302).render('../views/pages/confirmation.njk');
    } catch(e) {
      console.log(err);
      res.status(302).render('../views/pages/exit-error.njk');
    }
  });