Error
Error Code:
1803
MariaDB Error 1803: Slave MTS Recovery Failure
Description
This error indicates that a MariaDB replication slave operating in parallel execution mode encountered an unrecoverable error. It means the slave cannot automatically resume replication after a prior issue, requiring manual intervention. This typically happens when a transaction on the slave failed and the system couldn't roll back or skip it cleanly.
Error Message
Cannot recover after SLAVE errored out in parallel execution mode. Additional error messages can be found in the MariaDB error log
Known Causes
3 known causesConflicting Transactions
Transactions applied in parallel encountered conflicts or errors that the slave could not automatically resolve or skip.
Corrupted Relay Log
Damage to the slave's relay log files prevents proper reading and application of replication events.
Schema Mismatch
Differences in table schemas between master and slave can cause errors during data application in parallel mode.
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