Error
Error Code:
HV00K
PostgreSQL Error HV00K: FDW Reply Handle Issue
Description
This error, HV00K, indicates a problem with the Foreign Data Wrapper (FDW) reply handle. It typically occurs when PostgreSQL is unable to properly process a response or communicate effectively with a remote data source via an FDW. This can stem from various issues related to network connectivity, FDW configuration, or the remote server's behavior.
Error Message
fdw reply handle
Known Causes
4 known causesRemote Server Unreachable
The PostgreSQL server cannot establish or maintain a stable network connection to the remote data source defined by the FDW.
Misconfigured Foreign Data Wrapper
The FDW options (e.g., host, port, credentials, schema mapping) are incorrectly specified, preventing proper communication.
Remote Server Malfunction
The remote server itself is down, unresponsive, or experiencing internal errors that prevent it from replying correctly to FDW queries.
FDW Driver Instability
The specific FDW extension or its underlying driver has a bug or is incompatible, leading to failures in handling replies.
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