Error
Error Code:
3919
MySQL Error 3919: Group Replication Message Service Failure
Description
Error 3919 indicates that the MySQL Group Replication feature failed to initialize its internal message service. This service is essential for inter-node communication and maintaining data consistency within the replication group. This error typically occurs when the `START GROUP_REPLICATION` command is executed.
Error Message
The START GROUP_REPLICATION command failed to start its message service.
Known Causes
4 known causesNetwork Configuration Issues
Firewalls, incorrect IP addresses, or network interface problems prevent the message service from binding to a port or communicating with other nodes.
Resource Exhaustion
The server might be running low on system resources (memory, CPU, file descriptors), preventing the message service from allocating necessary resources.
Incorrect Group Replication Configuration
Misconfigured `group_replication_local_address` or other Group Replication parameters preventing the service from initializing correctly.
Permission Denied
The MySQL user or process lacks necessary operating system permissions to open network ports or access required system resources.
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