Error
Error Code:
HV00L
PostgreSQL Error HV00L: FDW Execution Creation Failed
Description
This error occurs when PostgreSQL, utilizing a Foreign Data Wrapper (FDW), is unable to successfully establish or prepare an execution plan for a query involving remote data. It indicates a fundamental issue preventing the FDW from interacting with the foreign server as expected, often related to connectivity, configuration, or permissions.
Error Message
fdw unable to create execution
Known Causes
4 known causesRemote Server Unreachable
The network path between the PostgreSQL server and the foreign data source is blocked, unavailable, or experiencing connectivity issues, preventing the FDW from initiating a connection.
FDW Configuration Mismatch
Parameters defined for the foreign server or user mapping, such as host, port, database name, or authentication settings, do not accurately match the remote system's requirements.
Insufficient Remote Permissions
The credentials configured in the foreign user mapping lack the necessary privileges to connect, access data, or execute commands on the remote foreign server.
Foreign Server Issues
The external data source or server is down, overloaded, unresponsive, or encountering internal errors that prevent the FDW from establishing an execution context.
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