Error
Error Code:
ORA-28510
Oracle ORA-28510: Heterogeneous Link Failure
Description
The ORA-28510 error indicates a failure during the initialization of a database link connecting to a non-Oracle database. This usually happens when Oracle attempts to establish a connection via a heterogeneous services agent, but the agent encounters an issue with the target system.
Error Message
ORA-28510: heterogeneous database link initialization failed
Known Causes
4 known causesTarget System Down
The non-Oracle database server being linked to is unavailable or not running. Ensure the target database server is operational and accepting connections.
Agent Configuration Error
The heterogeneous services agent is not configured correctly, leading to connection issues. Review the agent's initialization parameters and environment variables for accuracy.
Network Connectivity Issues
Network problems prevent the Oracle database from reaching the heterogeneous services agent or the target database server. Verify network connectivity between the Oracle server, the agent, and the target database.
Incorrect Credentials
The database link definition contains invalid credentials for accessing the non-Oracle system. Double-check username, password, and connection string.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service