Why am I getting error "Trying to open unclosed connection."?

Why am I getting error "Trying to open unclosed connection."?

node.js mongoose node-mongodb-native

mongoose

Fail to connect Mongoose to Atlas

node.js mongodb mongoose node-mongodb-native mongodb-atlas

mongoose

How to set Auto Reconnect with Unified Topology

node.js mongoose node-mongodb-native

mongoose

Bluebird Promisfy.each, with for-loops and if-statements?

node.js mongoose promise node-mongodb-native bluebird

mongoose

MongoError: there are no users authenticated

node.js mongodb mongoose node-mongodb-native

mongoose

Can't use $text with String

node.js mongodb mongoose node-mongodb-native

mongoose

MongoError: no primary found in replicaset (Mongoose replaces external IP addresses on gcloud with internal addresses)

mongoose google-compute-engine node-mongodb-native

mongoose

What aggregation cursor methods are supported by Nodejs drivers?

node.js mongodb mongoose node-mongodb-native

mongoose

Getting the old and new version of the document when updating it

mongodb mongoose node-mongodb-native

mongoose

MongoError when uploading a file using mongoose, gridfs-stream and multer

node.js mongoose node-mongodb-native gridfs-stream multer

mongoose

How to get a instance of db from node-mongo native driver?

node.js mongodb mongoose node-mongodb-native mongoskin

mongoose

Should MongooseJS be emitting events on replica set disconnection?

node.js mongoose node-mongodb-native

mongoose

MongoError: Invalid Operation, No operations in bulk for insertion

node.js mongodb mongoose node-modules node-mongodb-native

mongoose

Set array element to null with Mongoose

node.js mongoose node-mongodb-native

mongoose

MongoDB not updating subdocument within double-nested array (using Mongoose FindByIdAndUpdate) - EXACT POSITION KNOWN

node.js mongodb mongoose mongodb-query node-mongodb-native

mongoose