Error
Error Code:
ORA-29910
Oracle Error ORA-29910: Invalid Callback
Description
The ORA-29910 error indicates an invalid callback operation occurred during the execution of a user-defined function or external procedure within the Oracle database. This typically happens when the callback function attempts an operation that is not allowed within the current context or statement execution.
Error Message
ORA-29910: invalid callback operation
Known Causes
4 known causesInvalid Context
The callback function is attempting an operation not permitted within the current execution context (e.g., committing or rolling back a transaction).
Restricted Operation
The callback function is trying to perform a restricted operation, such as accessing a resource it doesn't have permissions for, or modifying data in an inappropriate way.
Incorrect Parameter Passing
The callback function receives incorrect or unexpected parameters, leading to an invalid operation.
Database Link Issue
If the callback involves a database link, the link might be invalid or the remote database is unavailable.
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