Error
Error Code:
1236
MariaDB Error 1236: Fatal Master Binlog Read Error
Description
MariaDB Error 1236 indicates a critical problem where a replica (or slave) encounters a fatal error from its master server while attempting to read data from the master's binary log. This typically signifies an unrecoverable issue on the master that prevents the continuation of replication.
Error Message
Got fatal error %d from master when reading data from binary log: '%s'
Known Causes
4 known causesMaster Server Instability
The master server experienced an unexpected crash, restart, or an unhandled internal error that disrupted binary log operations.
Corrupted Binary Log
The binary log file on the master server is corrupted or unreadable, making it impossible for the replica to parse its contents correctly.
Master Disk Issues
The master server's disk encountered I/O errors, ran out of disk space, or had permission issues affecting binary log files.
Network Interruption
A transient or persistent network issue between the master and replica servers interrupted the data transfer during binary log reading.
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