Exception In Monitor Thread While Connecting To Server Localhost:27017 Top 5 Favorites

This error message suggests that there is an issue with the connection between your application and the MongoDB server running on localhost at port 27017.

Here are some possible reasons for this error:

1. MongoDB server is not running on localhost:27017: You need to make sure that MongoDB server is running on the localhost at port 27017. You can check the status of the MongoDB server by running the following command in your terminal or command prompt: sudo systemctl status mongodb. If the server is not running, you can start it by running the following command: sudo systemctl start mongodb.

2. Firewall is blocking the connection: Sometimes, the firewall can block the connection to the MongoDB server. You can try disabling the firewall temporarily and see if it resolves the issue. If it does, then you need to configure the firewall to allow the MongoDB server’s port to accept incoming connections.

3. Incorrect configuration in your application: You need to ensure that your application is configured to connect to the correct MongoDB server, with the correct port number, username, and password. Double-check your application’s configuration and make sure that it matches the MongoDB server’s configuration.

4. Network issues: There may be some network issues preventing the connection between your application and the MongoDB server. You can try pinging the server from your terminal or command prompt to see if it is reachable. If it is not, then you may need to troubleshoot your network connection.

Overall, this error message indicates a problem with the connection between your application and the MongoDB server. By checking the above possible reasons, you can identify the root cause of the issue and take appropriate steps to resolve it.