Error
Error Code:
ORA-28578
Oracle Error ORA-28578: Callback Protocol Failure
Description
The ORA-28578 error indicates an internal protocol error during a callback from an external procedure or function to the Oracle database. This usually occurs when there's a communication issue between the external procedure and the database server.
Error Message
ORA-28578: A protocol error occurred during a callback from an external procedure.
Known Causes
4 known causesData Type Mismatch
Incorrect data type mapping between the external procedure and the Oracle database can lead to protocol errors during callbacks. Ensure data types are compatible.
Network Connectivity Issues
Network problems between the external procedure's host and the Oracle database server can interrupt callback communication. Verify network connectivity and firewall rules.
Incorrect Callback Configuration
Improper configuration of the external procedure's callback mechanism within the Oracle database can result in protocol errors. Review the external procedure's setup.
Version Incompatibilities
Using incompatible versions of the external procedure libraries or Oracle database can cause protocol errors. Ensure consistent versions are used.
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