Error
Error Code:
4003
MySQL Error 4003: Multiple Log-Filter Services Configured
Description
This error signifies that your MySQL server's `@@global.log_error_services` system variable has been configured to utilize more than one log-filter service. MySQL discourages this setup because it significantly complicates the process of tracing which specific rule or filter influenced a particular log event, making debugging and log analysis challenging.
Error Message
@@global.log_error_services lists more than one log-filter service. This is discouraged as it will make it hard to understand which rule in which filter affected a log-event.
Known Causes
3 known causesDirect Configuration of Multiple Filters
The `@@global.log_error_services` system variable has been explicitly set to contain a comma-separated list of multiple log-filter services.
Scripted Configuration Error
An automated script, potentially from a custom deployment, upgrade process, or third-party tool, has inadvertently configured `log_error_services` with multiple log-filter services.
Misunderstanding Log Service Chaining
An attempt was made to apply multiple filtering criteria by listing multiple services, not realizing that `log_error_services` is intended for a single, potentially chained, log-filter service.
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