Mongodb: failed to connect to server on first connect

Question

I get the following error:

Warning { MongoError: failed to connect to server [mongodb:27017] on first connect
    at Pool. (/Users/michaelks         


        

Answer 1

Local MongoDb problem solution

solve it by following the below steps:

Changed

mongodb://localhost:27017/local

to

localhost/local

And the error gone

Answer 2

In case of remote db in cloud such as ATLAS, you should create whitelist entry 0.0.0.0/0. This allows you to access your cluster ATLAS from any IP address.

Answer 3

I was getting same error while I tried to connect mlab db that is because my organization network has some restriction, I switched to mobile hotspot and it worked.

Answer 4

I ran into this issue serval times, and here is some troubleshooting list

1. make sure database path is exist, the default path in windows in C:\data\db
2. make sure mongo is running, to run it go to C:\Program Files\MongoDB\Server\3.4\bin and run the following:
   1. mongod.exe
   2. mongo.exe
3. make sure that your connection string is correct like mongodb://localhost/database-name

Answer 5

I connected to a VPN and it worked. I was using school's WiFi.

Answer 6

For me,issue was mongo was not running.So first i started "mongod" command in the console.And later in another console tab I have run "mongo". Now the connection is successful. Now run your app your problem should be solved.