Error
Error Code:
128
MongoDB Error 128: Lock Not Found
Description
This error indicates that MongoDB attempted to interact with a lock that does not exist in its internal lock manager. It typically occurs when an operation tries to release a lock that was never acquired or has already been released, suggesting an inconsistency in the locking mechanism or the client's interaction with it.
Error Message
Lock Not Found
Known Causes
3 known causesReleasing Non-Existent Lock
An operation or client application tried to release a lock ID that was not currently held or was already released, leading MongoDB to report it as not found.
Internal Lock Manager Inconsistency
Rarely, an internal state issue within MongoDB's lock management system might lead to a lock being unexpectedly absent when an operation expects it to exist.
Client Application Logic Error
Flaws in the application's code that manages concurrent access or distributed transactions can incorrectly track or manipulate locks, resulting in attempts to operate on phantom locks.
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