index.js
const mongoClient=require("mongodb").MongoClient;
const connectionString="mongodb://localhost:27017"
mongoClient.connect(connectionString,(err,clientObject)=>{
if(!err) {
console.log("Connected successfully");
}
else{
console.log(err)
}
})
error
const timeoutError = new error_1.MongoServerSelectionError(`Server selection timed out after ${serverSelectionTimeoutMS} ms`, this.description);
^
MongoServerSelectionError: connect ECONNREFUSED ::1:27017
at Timeout._onTimeout (C:\Users\vv jagadeesh\Desktop\node_practise\MEN\mongodb1\node_modules\mongodb\lib\sdam\topology.js:278:38)
at listOnTimeout (node:internal/timers:569:17)
at process.processTimers (node:internal/timers:512:7) {
reason: TopologyDescription {
type: 'Unknown',
servers: Map(1) {
'localhost:27017' => ServerDescription {
address: 'localhost:27017',
type: 'Unknown',
hosts: [],
passives: [],
arbiters: [],
tags: {},
minWireVersion: 0,
maxWireVersion: 0,
roundTripTime: -1,
lastUpdateTime: 97501159,
lastWriteDate: 0,
error: MongoNetworkError: connect ECONNREFUSED ::1:27017
at connectionFailureError (C:\Users\vv jagadeesh\Desktop\node_practise\MEN\mongodb1\node_modules\mongodb\lib\cmap\connect.js:370:20)
at Socket.<anonymous> (C:\Users\vv jagadeesh\Desktop\node_practise\MEN\mongodb1\node_modules\mongodb\lib\cmap\connect.js:293:22)
at Object.onceWrapper (node:events:628:26)
at Socket.emit (node:events:513:28)
at emitErrorNT (node:internal/streams/destroy:151:8)
at emitErrorCloseNT (node:internal/streams/destroy:116:3)
at process.processTicksAndRejections (node:internal/process/task_queues:82:21) {
cause: Error: connect ECONNREFUSED ::1:27017
at TCPConnectWrap.afterConnect [as oncomplete] (node:net:1494:16) {
errno: -4078,
code: 'ECONNREFUSED',
syscall: 'connect',
address: '::1',
port: 27017
},
[Symbol(errorLabels)]: Set(1) { 'ResetPool' }
},
topologyVersion: null,
setName: null,
setVersion: null,
electionId: null,
logicalSessionTimeoutMinutes: null,
primary: null,
me: null,
'$clusterTime': null
}
},
stale: false,
compatible: true,
heartbeatFrequencyMS: 10000,
localThresholdMS: 15,
setName: null,
maxElectionId: null,
maxSetVersion: null,
commonWireVersion: 0,
logicalSessionTimeoutMinutes: null
},
code: undefined,
[Symbol(errorLabels)]: Set(0) {}
}