Error
Error Code:
143
MongoDB Error 143: Active Cursor Conflict
Description
Error 143, 'Cursor In Use', indicates that an operation attempted to access a MongoDB cursor that is no longer valid or is currently being manipulated by another process or thread. This error typically arises from concurrent access patterns or improper management of cursor lifecycles within an application.
Error Message
Cursor In Use
Known Causes
3 known causesConcurrent Cursor Access
Multiple threads or processes attempt to use the same cursor simultaneously, leading to a race condition or an invalid cursor state.
Unmanaged Cursor Lifecycle
The application attempts to use a cursor that has already been closed, implicitly invalidated, or is no longer available on the server.
Expired or Timed-Out Cursor
A cursor that has been idle for too long on the server side might expire, making subsequent operations on it fail.
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