Client failing to return documents MongoDB (NetworkTimeout)

Hi all,

Having a strange issue, that I cannot figure out and need some help, please.

I’m developing a Client-Server application where the clients have access to MongoDB. While developing, the database is in the same machine as my client and server. This works absolutely fine.
Once I move the application to another client and run it, I can connect to MongoDB but getting all documents with get_documents function, it hangs on the for loop of the cursor for doc in collection.find():.

Here’s the script for MongoDB access:

import os
import json
import pymongo
from pymongo.errors import ConnectionFailure

CONFIG_PATH = os.path.join(os.getcwd(), "config.json")

class MongoDBConnection:
    """Main Class for the connecting to MongoDB"""

    def __init__(self) -> None:
        """Initialization for the MongoDBConnection Class."""

        with open(CONFIG_PATH) as file:
            config_json = json.load(file)

            db_connection = config_json["mongo_db"][0]
            self.HOST = db_connection["host"]
            self.PORT = db_connection["port"]
            self.ADMIN_USERS = config_json["admin_users"]

        self.db_connected = None

    def connected(self) -> bool:
        """Confirm the connection with the database.

        If there is a connection issue, ConnectionFailure is raised.

        :return: The connection status

            with pymongo.MongoClient(self.HOST, self.PORT) as client:
                self.db_connected = client.ao_connect

            return self.db_connected

        except ConnectionFailure as err:
            return False

    def get_documents(self, collection: pymongo.collection.Collection) -> list:
        """Get all of the documents contained in the collection.

        :param collection: The collection Object selected
        :return: Collection names
        docs_list = []

        collection = self.db_connected[f"{}"]
        for doc in collection.find():

        return docs_list

Here’s the error:
gbmud11368:27017: timed out, Timeout: 30s, Topology Description: <TopologyDescription id: 603e5aa529766aed2c463091, topology_type: Single, servers: [<ServerDescription ('gbmud11368', 27017) server_type: Unknown, rtt: None, error=NetworkTimeout('gbmud11368:27017: timed out')>]>

Let me know if you need any other information.

Thank you very much in advance,


The firewall was clocking port 27017 :expressionless:
Thanks all! :slight_smile:

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