Error
Error Code:
3663
MySQL Error 3663: Group Replication Command Failure
Description
Error 3663 indicates that an administrative or internal command related to MySQL Group Replication has failed to execute successfully. This typically occurs during operations such as managing group members, modifying replication settings, or when the replication process encounters an underlying issue.
Error Message
The %s command encountered a failure. %s
Known Causes
4 known causesNetwork Instability
Unstable network connections, high latency, or firewall misconfigurations between Group Replication members can disrupt command execution.
Configuration Mismatch
Inconsistent or incorrect Group Replication configuration parameters across the cluster members can lead to command failures.
Privilege Denied
The MySQL user attempting to execute a Group Replication command may lack the necessary administrative privileges.
Internal State Inconsistency
Underlying issues with the Group Replication cluster's internal state, such as a member being unhealthy or data divergence, can prevent commands from completing.
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