Error
Error Code:
190
MongoDB Error 190: Master-Slave Connection Failure
Description
Error 190, 'Master Slave Connection Failure,' indicates that a MongoDB slave node cannot establish or maintain a connection with its configured master node. This typically occurs in older replication setups or when a replica set member loses connectivity to the primary.
Error Message
Master Slave Connection Failure
Known Causes
4 known causesNetwork Connectivity Issues
Intermittent or complete loss of network connectivity between the master and slave servers prevents communication.
Incorrect Configuration Parameters
Misconfigured IP addresses, port numbers, or replica set names prevent the slave from properly identifying and connecting to the master.
Firewall Restrictions
Firewall rules on either the master or slave server may block the necessary ports for MongoDB's communication.
Master Node Unavailability
The master server might be down, unresponsive, or experiencing resource issues, making it unreachable for the slave.
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