Error
Error Code:
1094
MySQL Error 1094: Unknown Thread ID
Description
This error indicates that the MySQL server cannot find an active connection or thread corresponding to the ID provided. It typically occurs when attempting to perform an action on a session that has already been closed, disconnected, or never existed.
Error Message
Unknown thread id: %lu
Known Causes
4 known causesThread Already Terminated
The specified thread or connection had already closed or terminated before the operation was attempted.
Incorrect Thread ID Provided
An invalid or non-existent thread ID was supplied to a command, possibly due to a typo or outdated information.
Race Condition
A thread terminated between the time its ID was identified and when an operation on it was subsequently executed.
Invalid Session Context
The command attempting to use the thread ID was executed from a different or disconnected session.
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