events.js:141
throw er; // Unhandled 'error' event
MongoError: connection 0 to localhost:27017 timed out
at Function.MongoError.create (/home/ubuntu/scripts/node_modules/mongodb-core/lib/error.js:29:11)
at Socket.<anonymous> (/home/ubuntu/scripts/node_modules/mongodb-core/lib/connection/connection.js:184:20)
at Socket.g (events.js:260:16)
at emitNone (events.js:67:13)
at Socket.emit (events.js:166:7)
at Socket._onTimeout (net.js:318:8)
at _runOnTimeout (timers.js:524:11)
at _makeTimerTimeout (timers.js:515:3)
at Timer.unrefTimeout (timers.js:584:5)
嗯,连接期间没有错误,但是当尝试保存一些模型/集合时,它会运行一段时间,然后抛出此错误。
顺便说一句,我还有另一个连接到同一mongodb服务器的 Node 进程。任何帮助都将受到高度赞赏。
最佳答案
const mongoose = require('mongoose');
const option = {
socketTimeoutMS: 30000,
keepAlive: true,
reconnectTries: 30000
};
const mongoURI = process.env.MONGODB_URI;
mongoose.connect(mongoURI, option).then(function(){
//connected successfully
}, function(err) {
//err handle
});