Error
Error Code:
2009
MySQL Error 2009: Invalid Host Information
Description
MySQL Error 2009, "Wrong host info," indicates that the client application is unable to connect to the specified MySQL server host. This typically occurs when the provided hostname or IP address is incorrect, unresolvable, or unreachable.
Error Message
Wrong host info
Known Causes
4 known causesIncorrect Hostname or IP
The hostname or IP address specified in the connection string is misspelled or does not correspond to the actual MySQL server's network address.
DNS Resolution Failure
The client machine cannot resolve the provided hostname to an IP address, often due to issues with DNS servers or incorrect local host entries.
Network Connectivity Block
A firewall (on either client or server), network routing issue, or other network configuration is preventing the client from reaching the specified host.
MySQL Server Bind Address
The MySQL server is configured to listen only on specific IP addresses (via `bind-address`), and the client is attempting to connect via an unlisted or disallowed host.
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