Error
Error Code:
2039
MySQL Error 2039: Shared Memory Connection Failure
Description
This error indicates that a MySQL client failed to establish a shared memory connection with the server. It occurs when the client attempts to connect via shared memory but does not receive an expected response from the server process.
Error Message
Can't open shared memory; no answer event received from server (%lu)
Known Causes
4 known causesMySQL Server Not Running
The MySQL server process is not active or has unexpectedly terminated, preventing any shared memory communication.
Shared Memory Disabled
Shared memory support might be disabled in the MySQL server configuration or the operating system, preventing this connection method.
Insufficient OS Permissions
The operating system user running the MySQL client lacks the necessary privileges to create or access shared memory segments.
System Resource Issues
The operating system may lack available resources to allocate shared memory, potentially due to high load or misconfiguration.
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