eggjs/nodejs 使用sockets 时 偶尔报错 emit of undefined

Question

await this.app.io.sockets.sockets[socket_id].emit(device_key, msg, async (ack_msg) => {
console.log(ack_msg)

});

TypeError: Cannot read property 'emit' of undefined
at PayActionController.getSession (/tools/app/paylab/egg/app/controller/pay_action.js:6135:82)
at

Answer 1

https://blog.csdn.net/weixin_30248399/article/details/97473725