How to resolve the connection issue with Aurora database?

To solve the issue of Aurora database connection failure, you can try the following steps: 1. Check the network connection: make sure your network connection is working properly by trying to access other websites or services. 2. Check the status of the database: use the management console or command-line tools to verify if the Aurora database is running normally. If the database is in an error state, you can try restarting the database instance. 3. Check the database port: ensure the port number you are using is correct, and that the network security group or firewall allows access to that port from your location. 4. Check the database credentials: verify that the username and password you are using are correct, and have sufficient permissions to connect to the database. 5. Check the database endpoint: confirm you are using the correct database endpoint to connect to the Aurora database. 6. Check the database parameter group: verify if the settings in the database parameter group, especially those related to connection and timeouts, are correct. 7. Check the log files: review the database’s error log files for more information on the connection issues.