Error
Error Code:
3791
MySQL Error 3791: Keyring Key Storage Failure
Description
This error indicates that MySQL was unable to securely store an encryption key, often related to data-at-rest encryption features. It typically occurs when the configured keyring component or plugin is either not loaded, inaccessible, or misconfigured, preventing essential key management operations.
Error Message
Failed to store key, please check if keyring is loaded.
Known Causes
4 known causesKeyring Plugin Not Loaded
The required keyring component or plugin (e.g., keyring_file, keyring_encrypted_file, keyring_okv) is not enabled or loaded in the MySQL server's configuration.
Keyring Data File Inaccessible
The designated file path or directory for the keyring data is missing, has incorrect permissions, or is otherwise inaccessible to the MySQL server process.
Keyring Configuration Mismatch
Parameters specified for the keyring plugin (e.g., keyring_file_data path) do not match the actual environment or are malformed in the MySQL configuration.
External Key Service Failure
If using an external Key Management System (KMS), the MySQL server failed to connect to or authenticate with the external service to store the key.
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