MongoDB · January 2, 2024

How to fix MongoDB Error Code - 11602 - InterruptedDueToReplStateChange

How to Fix MongoDB Error Code - 11602 - InterruptedDueToReplStateChange

MongoDB is a popular open-source NoSQL database that offers high performance, scalability, and flexibility. However, like any software, it can encounter errors that need to be resolved. One such error is MongoDB Error Code - 11602 - InterruptedDueToReplStateChange. In this article, we will explore the causes of this error and provide step-by-step instructions on how to fix it.

Understanding MongoDB Error Code - 11602

MongoDB Error Code - 11602 occurs when a replica set member transitions from one state to another during an operation. This error typically happens when a primary replica set member steps down or when a secondary replica set member becomes unavailable.

When this error occurs, MongoDB interrupts the operation to prevent data inconsistencies. The interrupted operation can be a write operation, a read operation, or a command execution.

Causes of MongoDB Error Code - 11602

There are several reasons why you might encounter MongoDB Error Code - 11602:

  • Primary Replica Set Member Step Down: If the primary replica set member steps down during an operation, MongoDB interrupts the operation to ensure data consistency.
  • Secondary Replica Set Member Unavailability: If a secondary replica set member becomes unavailable during an operation, MongoDB interrupts the operation to prevent data inconsistencies.
  • Network Issues: Network issues, such as network partitions or connectivity problems, can cause MongoDB to interrupt operations to maintain data consistency.

Fixing MongoDB Error Code - 11602

To fix MongoDB Error Code - 11602, follow these steps:

Step 1: Identify the Cause

First, you need to identify the cause of the error. Check the MongoDB logs for any relevant error messages or warnings. Look for any replica set member state changes or network-related issues.

Step 2: Resolve Network Issues

If the error is caused by network issues, resolve them to ensure proper communication between replica set members. Check the network configuration, firewall settings, and network connectivity. Ensure that all replica set members can communicate with each other.

Step 3: Check Replica Set Member Status

Verify the status of each replica set member. Use the MongoDB shell or a monitoring tool to check the replica set member's state. If a replica set member is in a recovering state or has encountered any issues, resolve them before proceeding.

Step 4: Restart the Interrupted Operation

Once you have resolved the underlying cause and ensured the stability of the replica set, you can restart the interrupted operation. If it was a write operation, reissue the write command. If it was a read operation or a command execution, retry the operation.

Step 5: Monitor the Replica Set

After resolving the error and restarting the interrupted operation, monitor the replica set to ensure its stability and consistency. Keep an eye on the MongoDB logs for any further error messages or warnings.

Summary

MongoDB Error Code - 11602 - InterruptedDueToReplStateChange can occur when a replica set member transitions from one state to another during an operation. This error is typically caused by primary replica set member step-downs, secondary replica set member unavailability, or network issues. To fix this error, identify the cause, resolve any network issues, check replica set member status, restart the interrupted operation, and monitor the replica set for stability.

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