[MongoDB] ServerSelectionTimeoutError: localhost:27017: [Errno 111] Connection refused

Simple test:

import json
import io
import pymongo
from pymongo import MongoClient

#client = MongoClient('mongodb://localhost:27017/')
#client = MongoClient('mongodb://localhost:27017/', connect=False)
client = MongoClient('localhost', 27017)

print(client)
dbnames = client.list_database_names()
print(dbnames)

Error: ServerSelectionTimeoutError: localhost:27017: [Errno 111] Connection refused

Error Reproduction: https://www.kaggle.com/logachevpa/trip-routes-visualisation-on-map-by-time https://www.kaggle.com/apjansing/preliminary-taxi-data-processing-using-mongodb

[l0ric]

lol

[Philmod]

This notebook you referenced have the same error because there is no local MongoDB server running.

Maybe they ran that code on their own computer where they have a MongoDB server.