Error
Error Code:
3093
MySQL Error 3093: Group Replication Already Running
Description
This error indicates that you attempted to execute the `START GROUP_REPLICATION` command on a MySQL server instance where Group Replication is already active. It typically occurs when a startup command is issued unnecessarily, or after a previous successful initialization of the replication group on that member.
Error Message
The START GROUP_REPLICATION command failed since the group is already running.
Known Causes
3 known causesRedundant Start Command
The `START GROUP_REPLICATION` command was executed on a server where Group Replication is already active, leading to an attempt to re-initialize an already running service.
Automated Scripting Error
An automated script or configuration management tool attempted to start Group Replication without first checking its current operational status, resulting in a redundant command.
Misunderstood Replication Status
The user or administrator mistakenly believed Group Replication was stopped on the server when it was, in fact, running, prompting an erroneous attempt to start it.
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