mongoose.connect( *Connection URL to Database here*, { useNewUrlParser: true
, useCreateIndex: true, useFindAndModify: false, useUnifiedTopology:true })
Hi! Aman, I met the problem while starting to explore mongoDB as well. Hope
this solves the problem!
On Sunday, 26 July 2020 08:09:29 UTC+8, Aman Kr Sharma wrote:
>
> I am trying to connect with mongodb database but it throws some kind of
> error I am unable to understand
>
>
> (node:94165) DeprecationWarning: current Server Discovery and Monitoring
> engine is deprecated, and will be removed in a future version. To use the
> new Server Discover and Monitoring engine, pass option {
> useUnifiedTopology: true } to the MongoClient constructor.
> (Use `node --trace-deprecation ...` to show where the warning was created)
> MongoNetworkError: failed to connect to server [
> cluster0-shard-00-00.lpcoo.mongodb.net:27017] on first connect
> [MongoNetworkError: connection 5 to
> cluster0-shard-00-00.lpcoo.mongodb.net:27017 closed
> at TLSSocket.<anonymous>
> (/home/aman/Documents/Coding/nodejs/expressjs_ejs_mongodb/node_modules/mongodb/lib/core/connection/connection.js:372:9)
> at Object.onceWrapper (events.js:422:26)
> at TLSSocket.emit (events.js:315:20)
> at net.js:670:12
> at TCP.done (_tls_wrap.js:554:7)]
> at Pool.<anonymous>
> (/home/aman/Documents/Coding/nodejs/expressjs_ejs_mongodb/node_modules/mongodb/lib/core/topologies/server.js:438:11)
> at Pool.emit (events.js:315:20)
> at
> /home/aman/Documents/Coding/nodejs/expressjs_ejs_mongodb/node_modules/mongodb/lib/core/connection/pool.js:562:14
> at
> /home/aman/Documents/Coding/nodejs/expressjs_ejs_mongodb/node_modules/mongodb/lib/core/connection/pool.js:1009:9
> at callback
> (/home/aman/Documents/Coding/nodejs/expressjs_ejs_mongodb/node_modules/mongodb/lib/core/connection/connect.js:97:5)
> at
> /home/aman/Documents/Coding/nodejs/expressjs_ejs_mongodb/node_modules/mongodb/lib/core/connection/connect.js:124:7
> at _callback
> (/home/aman/Documents/Coding/nodejs/expressjs_ejs_mongodb/node_modules/mongodb/lib/core/connection/connect.js:349:5)
> at Connection.errorHandler
> (/home/aman/Documents/Coding/nodejs/expressjs_ejs_mongodb/node_modules/mongodb/lib/core/connection/connect.js:365:5)
> at Object.onceWrapper (events.js:422:26)
> at Connection.emit (events.js:315:20)
>
>
>
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