Error
Error Code:
3843
MySQL Error 3843: Empty Redo Log Directory
Description
This error occurs when MySQL attempts to use a directory path specified in the `innodb_redo_log_archive_dirs` server variable, but finds that a required directory is empty or improperly defined. It specifically indicates an issue with the structure or content of the directory list after a certain label.
Error Message
Directory is empty after label '%s' in server variable 'innodb_redo_log_archive_dirs'
Known Causes
3 known causesMalformed Configuration String
The `innodb_redo_log_archive_dirs` variable string itself is syntactically incorrect or contains an empty path definition.
Unspecified Directory Path
A label is defined in `innodb_redo_log_archive_dirs` but no actual directory path follows it, or the path is explicitly empty.
Typographical Error in Path
A typo in the directory path specified within `innodb_redo_log_archive_dirs` causes MySQL to look for a non-existent or effectively empty location.
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