What Should I Do If I Can't Connect to My ECS (PostgreSQL) Instance?
Error message: Connection refused (Connection refused).
Error cause: The port number of the self-built database is incorrect, or the network is disconnected.
Solution: Ensure that the port number of the self-built database is correct and that the port is included in the security group rule and firewall whitelist. For details, see How Do I View and Modify ECS Security Group Rules? and How Do I View and Modify Firewall Rules?.
Connection Management (Development Tool) FAQs
- What Should I Do If I Can't Connect to My DB Instance Due to Insufficient Permissions?
- What Should I Do If I Can't Connect to My RDS for MySQL Instance?
- What Should I Do If I Can't Connect to My ECS (MySQL) Instance?
- What Should I Do If I Can't Connect to My RDS for PostgreSQL Instance?
- What Should I Do If I Can't Connect to My ECS (PostgreSQL) Instance?
- What Should I Do If I Can't Connect to My DDS Instance?
- What Should I Do If I Can't Connect to My DDM Instance?
- How Do I View and Modify ECS Security Group Rules?
- How Do I View and Modify Firewall Rules?
Feedback
Was this page helpful?
Provide feedbackThank you very much for your feedback. We will continue working to improve the documentation.
more