在uniapp中使用MQTT协议时遇到“WebSocket is not a constructor”或“WS is not a constructor”的错误,通常是由于几个常见原因引起的。下面是一些可能的解决方法和建议: 检查mqtt库版本: 某些版本的mqtt库可能不兼容uniapp或特定平台。根据参考信息[@2@],建议降级到mqtt库4.1.0版本以下
wss = new webSocketServer({server: server}); ^ TypeError: webSocketServer is not a constructor at Object. (C:\Users\shulem\Documents\myWebRTCApp\expressWS.js:18:7) at Module._compile (module.js:570:32) at Object.Module._extensions..js (module.js:579:10) ...
content is same with title. I used 'ws' module in electron main process not browser. It work on local environment, but occur error with message 'WebSocket.Server is not a constructor' when packaging. I'm tried to solve this with add exte...
ws is not a constructor？您好，小程序是不支持使用mqtt协议的，如果想要链接的话建议使用 WebSocket ...
示例代码： #include<iostream> using namespace std; class Test { public: Test(int a=10,i...
from the config argument.decode:(raw_message)=>{message_id,message_data},// WebSocket constructor's protocol field.protocols:[],// Unique id's and data keys to negotiate with back-end.server:{id_key:'id',data_key:'data'},// Pings to avoid interruptions. null to disable.ping:{...
基础与应用系列 —— 抓个 WebSocket 的包在传统的 Web 中，要实现实时通信，通用的方式是采用 HTTP...
ws劫持全称为跨站点WebSocket劫持(CSWSH),(也称为跨源 WebSocket 劫持)涉及WebSocket 握手上的跨站点请求伪造(CSRF) 漏洞。当 WebSocket 握手请求仅依赖 HTTP cookie 进行会话处理并且不包含任何CSRF 令牌或其他不可预测的值时,就会出现这种情况。 攻击者可以在自己的域中创建恶意网页,从而与易受攻击的应用程序建立跨站...
You will have to manually applyTo every Router that you wish to make .ws available on, when this is enabled. wsOptions: Options object passed to WebSocketServer constructor. Necessary for any ws specific features. This function will return a new express-ws API object, which will be referred...
TypeError: WS is not a constructor at WebSocketStream (dist/index.js:159329:16) at createWebSocket (dist/index.js:147450:10) at Object.buildBuilderBrowser (dist/index.js:147476:10) at MqttClient.wrapper [as streamBuilder] (dist/index.js:147937:36) ...