Error
Error Code:
101
MongoDB Error 101: Outdated Client Connection
Description
MongoDB Error 101, 'Outdated Client', indicates that the client application or driver attempting to connect to the MongoDB server is using a version that is too old or incompatible with the server's requirements. This typically occurs when a client library attempts to use a deprecated wire protocol or lacks support for newer server features.
Error Message
Outdated Client
Known Causes
3 known causesUsing an Old Driver or Library
The MongoDB driver, ODM, or client library in your application is an older version that is not compatible with the current MongoDB server version.
Recent Server Upgrade
The MongoDB server was recently upgraded to a newer major version, which may have deprecated older wire protocols or introduced breaking changes for older clients.
Deprecated Wire Protocol
The server has been configured to disable support for older wire protocols that the client is attempting to use for connection.
Solutions
Coming SoonGeneral 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