UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch() 1. 2. 3. 解决办法: 增加catch new Promise((resolve, reject)=>{ if(2>1) re...
运行node.js项目时出现: (node:18873) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): Error: listen EADDRINUSE 127.0.0.1:8002 (node:18873) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled w...
(node:18) UnhandledPromiseRejectionWarning: Error: Exactly one of topic, token or condition is required at FirebaseMessagingError.FirebaseError [as constructor] (/app/node_modules/firebase-admin/lib/utils/error.js:39:28) at FirebaseMessagingError.PrefixedFirebaseError [as constructor] (/app/node_...
UnhandledPromiseRejectionWarning 异步等待承诺我有这段代码:function foo() { return new Promise((resolve, reject) => { db.foo.findOne({}, (err, docs) => { if (err || !docs) return reject(); return resolve(); }); }); } async function foobar() { await foo() ? console.log("Have...
node搭建个人博客promise警告解除 警告 (node:8500) UnhandledPromiseRejectionWarning: undefined (node:8500) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an asyncfunctionwithout acatchblock, or by rejecting a promise which was not handledwith...
版本7 的 Node.js 具有用于处理 Promise 的 async/await 语法糖,现在在我的代码中经常出现以下警告: (node:11057) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): ReferenceError: Error: Can't set headers after they are sent. (node:11057) DeprecationWarning: Unhandled prom...
(node:18692) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 2): TypeError: Object.entries is not a function 1. 既没告诉我哪一行的错误,也找不到相关有用信息。而通过npm run dev却可以正常编译。 谷歌搜索后发现可以通过升级 Node.JS 从 6 到 12 来解决。
传递undefinedornull值app.use将导致显示的错误。所以我猜测您使用的环境变量有问题，例如：
process = require('child_process'); exports.getGraphics = function () { return new Promise(...
参考:https://stackoverflow.com/questions/48791928/error-from-selenium-unhandledpromiserejectionwarning-error-econnrefused-conne 问题分析:可能是因为当前的 selenium-webdriver 是 alpha 版本导致了报错 问题解决: 卸载当前的 selenium-webdriver 版本npm uninstall selenium-webdriver ...