Error
Error Code:
3972
MySQL Error 3972: Group Replication Password Length Exceeded
Description
This error signifies a failure to execute the START GROUP_REPLICATION command because the password provided for the recovery channel is longer than the maximum allowed 32 characters. It typically occurs during the setup or restart of MySQL Group Replication, preventing the cluster from initializing properly.
Error Message
The START GROUP_REPLICATION command failed since the password provided for the recovery channel exceeds the maximum length of 32 characters.
Known Causes
3 known causesPassword Exceeds Length Limit
The password explicitly provided for the Group Replication recovery user account during the START GROUP_REPLICATION command is longer than 32 characters.
Automated Configuration Error
An automated script, configuration management tool, or template generated a password for the recovery channel that inadvertently surpasses the 32-character limit.
Incorrect Password Requirement Assumption
The administrator was unaware of or overlooked the specific 32-character password length restriction for the Group Replication recovery channel.
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