Nodejs v18 gives: MongooseServerSelectionError: connect ECONNREFUSED ::1:27017

[chaeron]

Prerequisites

• I have written a descriptive issue title
• I have searched existing issues to ensure the bug has not already been reported

Mongoose version

6.4.6

Node.js version

81.x

MongoDB server version

6.0

Description

If I'm using NodeJS 16.x everything works fine.

If I upgrade NodeJS to 18.x I get an error trying to connect to MongoDB:

MongooseServerSelectionError: connect ECONNREFUSED ::1:27017

Nothing else different except NodeJS version.

Any ideas why mongoose connections fail with NodeJS 18, but are fine with 16?

Steps to Reproduce

Change to NodeJS 18

Expected Behavior

No response

[chaeron]

Connection attempt was to a local MongoDB instance.

Exception/Stack trace was

MongooseServerSelectionError: connection timed out
    at Connection.openUri (/home/andrzej/Dropbox/Shore/TGLN/dev/migration/node_modules/mongoose/lib/connection.js:819:32)
    at /home/andrzej/Dropbox/Shore/TGLN/dev/migration/node_modules/mongoose/lib/index.js:379:10
    at /home/andrzej/Dropbox/Shore/TGLN/dev/migration/node_modules/mongoose/lib/helpers/promiseOrCallback.js:32:5
    at new Promise (<anonymous>)
    at promiseOrCallback (/home/andrzej/Dropbox/Shore/TGLN/dev/migration/node_modules/mongoose/lib/helpers/promiseOrCallback.js:31:10)
    at Mongoose._promiseOrCallback (/home/andrzej/Dropbox/Shore/TGLN/dev/migration/node_modules/mongoose/lib/index.js:1224:10)
    at Mongoose.connect (/home/andrzej/Dropbox/Shore/TGLN/dev/migration/node_modules/mongoose/lib/index.js:378:20)
    at Object.<anonymous> (/home/andrzej/Dropbox/Shore/TGLN/dev/migration/src/preMigrateAll.js:48:10)
    at Module._compile (node:internal/modules/cjs/loader:1120:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1174:10) {
  reason: TopologyDescription {
    type: 'Unknown',
    servers: Map(1) {
      '128.0.0.1:27017' => ServerDescription {
        _hostAddress: HostAddress { isIPv6: false, host: '128.0.0.1', port: 27017 },
        address: '128.0.0.1:27017',
        type: 'Unknown',
        hosts: [],
        passives: [],
        arbiters: [],
        tags: {},
        minWireVersion: 0,
        maxWireVersion: 0,
        roundTripTime: -1,
        lastUpdateTime: 26963738,
        lastWriteDate: 0,
        error: MongoNetworkTimeoutError: connection timed out
            at connectionFailureError (/home/andrzej/Dropbox/Shore/TGLN/dev/migration/node_modules/mongoose/node_modules/mongodb/lib/cmap/connect.js:384:20)
            at Socket.<anonymous> (/home/andrzej/Dropbox/Shore/TGLN/dev/migration/node_modules/mongoose/node_modules/mongodb/lib/cmap/connect.js:302:22)
            at Object.onceWrapper (node:events:627:28)
            at Socket.emit (node:events:513:28)
            at Socket._onTimeout (node:net:526:8)
            at listOnTimeout (node:internal/timers:564:17)
            at process.processTimers (node:internal/timers:507:7) {
          [Symbol(errorLabels)]: Set(0) {}
        }
      }
    },
    stale: false,
    compatible: true,
    heartbeatFrequencyMS: 10000,
    localThresholdMS: 15,
    logicalSessionTimeoutMinutes: undefined
  },
  code: undefined
}

Node.js v18.6.0

[Uzlopak]

Node18 uses ipv6 natively. So you should not use localhost but use the IP explicitly.

[vkarpov15]

Are you using localhost? Try doing mongodb://127.0.0.1:27017/mydbname instead of mongodb://localhost:27017/mydbname. Apparently Node 18 prefers ipv6 to ipv4 addresses, so it looks like Node is taking ::1 over 127.0.0.1 when Mongoose tries to resolve localhost.

Another alternative would be to configure your MongoDB server to accept ipv6 connections

[KrunalTarale]

I am facing the same problem and none of the solutions are working

[vkarpov15]

@KrunalTarale please open a new issue and follow the issue template.