Error
Error Code:
08P01
PostgreSQL Error 08P01: Client-Server Protocol Mismatch
Description
This error, 'protocol violation', indicates that the client and server are not communicating according to the expected PostgreSQL wire protocol. It typically occurs during the connection handshake or when an unexpected message format is exchanged, preventing proper data flow.
Error Message
protocol violation
Known Causes
4 known causesIncompatible Client/Driver Version
The client application or its PostgreSQL driver is using an older or newer protocol version that is not fully compatible with the database server.
Network Intermediary Interference
A firewall, proxy, or load balancer between the client and server is altering or corrupting the PostgreSQL protocol packets.
Corrupted Client Application Logic
The client application itself has a bug or corrupted logic that causes it to send malformed protocol messages to the server.
Server-Side Protocol Bug
Less common, but a bug or corruption on the PostgreSQL server itself could lead to it sending or expecting incorrect protocol messages.
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