Error
Error Code:
3057
MySQL Error 3057: Invalid User Lock Name
Description
MySQL Error 3057 indicates that an operation involving a user-level lock (such as `GET_LOCK()` or `RELEASE_LOCK()`) failed because the provided lock name was invalid. This typically occurs when the lock name is an empty string, NULL, or contains characters that cannot be expressed in the current server or connection character set.
Error Message
Incorrect user-level lock name '%s'. The name is empty, NULL, or can not be expressed in the current character-set.
Known Causes
3 known causesEmpty or NULL Lock Name
The lock name supplied to MySQL's user-level lock functions was either an empty string ('') or explicitly NULL, which are not permitted for user-level locks.
Character Set Incompatibility
The characters used in the lock name are not supported or cannot be properly encoded by the current character set configured for the MySQL connection or server.
Dynamic Name Generation Errors
When lock names are generated programmatically within an application, an error in the logic might inadvertently produce an empty, NULL, or improperly formatted string.
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