Error
Error Code:
1872
MySQL Error 1872: Replica Applier Metadata Failure
Description
This error indicates that a MySQL replica (slave) server failed to initialize its internal structures for applying replication events. It typically occurs when the replica cannot read or set up necessary metadata from its repository during startup or after a restart.
Error Message
Replica failed to initialize applier metadata structure from the repository
Known Causes
4 known causesCorrupted Repository Data
The internal tables (e.g., mysql.slave_applier_info) or files storing the replica's state information are damaged or unreadable.
Insufficient Permissions
The MySQL user account configured for replication lacks the necessary privileges to access or modify replication metadata tables.
Disk Subsystem Issues
Problems with the underlying disk, such as I/O errors or a full disk, prevent the replica from accessing its data files.
Incorrect Configuration
Misconfigurations in the MySQL server settings related to replication or data directory paths can prevent metadata initialization.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General 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