Error
Error Code:
3968
MySQL Error 3968: Hostname Exceeds Length Limit
Description
This error indicates that a hostname provided to MySQL, either during a connection attempt or a configuration setting, has exceeded the maximum allowed character length. It typically occurs when establishing a connection from a client or configuring network-related parameters with an overly long hostname.
Error Message
Hostname cannot be longer than %d characters.
Known Causes
3 known causesManual Hostname Entry Error
A user manually entered a hostname that surpassed MySQL's maximum character limit when configuring a client connection or a server parameter.
Automated System Generated Long Hostname
An automated process, such as a container orchestration system or cloud environment, assigned a hostname that exceeds MySQL's internal length constraints.
Operating System Hostname Mismatch
The underlying operating system's configured hostname is longer than MySQL expects, potentially used for internal identification or logging.
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