Error
Error Code:
119
MongoDB Error 119: Invalid Sync Source
Description
This error indicates that a MongoDB replica set member attempted to synchronize its data from another member, but the specified source was either unreachable, misconfigured, or not a valid member. It typically occurs during initial sync or when a secondary attempts to catch up with the primary.
Error Message
Invalid Sync Source
Known Causes
4 known causesIncorrect Network Configuration
The IP address or port for the sync source is incorrect, or a firewall is blocking the connection between the syncing member and the source.
Source Node Unavailable
The intended sync source node is down, unreachable, or not running the `mongod` process, preventing the syncing member from establishing a connection.
Replica Set Mismatch
The syncing member is attempting to connect to a node that is not part of its replica set or has a different replica set name configured.
Authentication Failure
If authentication is enabled, the syncing member might lack the necessary credentials or permissions to connect to and synchronize from the specified source.
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