Error
Error Code:
1401
MySQL Error 1401: XA Transaction Branch Fatal Error
Description
MySQL Error 1401, XAER_RMERR, indicates a fatal and unrecoverable error within a specific branch of an XA (distributed) transaction. This typically means the resource manager participating in the transaction has encountered a critical issue, making it impossible to complete the transaction branch reliably. It signals a potential inconsistency in your data across distributed systems.
Error Message
XAER_RMERR: Fatal error occurred in the transaction branch - check your data for consistency
Known Causes
3 known causesResource Manager Failure
The external database or resource manager involved in the XA transaction experienced an unexpected crash, shutdown, or unrecoverable internal error.
Network Interruption
A loss of network connectivity between MySQL and the resource manager, or between transaction participants, during a critical phase of the XA transaction.
Data Corruption/Inconsistency
Underlying data corruption or severe inconsistency within the resource manager's storage prevented it from processing the transaction branch correctly.
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