Error
Error Code:
ORA-28591
Oracle Error ORA-28591: Parameter File Access
Description
The ORA-28591 error indicates that the agent control utility cannot access its parameter file. This typically occurs during startup or when the utility is called, preventing proper configuration and execution.
Error Message
ORA-28591: agent control utility: unable to access parameter file
Known Causes
4 known causesMissing Admin Directory
The environment variables `AGTCTL_ADMIN` or `TNS_ADMIN` are not defined, preventing the agent from locating its parameter file.
Incorrect Permissions
The agent process lacks the necessary read permissions on the directory specified by `AGTCTL_ADMIN` or `TNS_ADMIN`, preventing access to the parameter file.
Invalid Directory Path
The `AGTCTL_ADMIN` or `TNS_ADMIN` variables point to a non-existent or incorrect directory path.
Corrupted Parameter File
The parameter file itself is corrupted or missing from the expected directory.
Solutions
Coming SoonGeneral 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