Software⏱️ 4 min read📅 2026-06-15

How to Fix: An error occurred (BadRequestException) when calling the UpdateClusterConfiguration operation: One or more of the parameters are not valid

AWS CLI error when updating MSK cluster configuration

Quick Answer: Check the configuration parameters and ensure they match the default or valid values for your MSK cluster.

An error occurred when calling the UpdateClusterConfiguration operation: One or more of the parameters are not valid. This issue affects AWS MSK cluster administrators who attempt to update their cluster configurations using the aws kafka update-cluster-configuration command. The error can be frustrating as it doesn't provide clear information about which parameter is invalid, making it challenging for administrators to resolve the issue efficiently.

The root cause of this error lies in the incorrect or missing configuration parameters passed to the UpdateClusterConfiguration operation. AWS MSK cluster configurations are highly specific and require precise input to avoid errors. Inadequate validation of configuration parameters can lead to this error. Fortunately, by following the troubleshooting steps outlined below, administrators can identify and resolve the issue.

🛑 Root Causes of the Error

  • The primary reason for this error is that the configuration parameters passed to the UpdateClusterConfiguration operation are not valid or do not match the expected format. This could be due to a variety of reasons such as incorrect input values, missing required fields, or mismatched data types.
  • Another possible cause is that the cluster-arn and configuration-arn provided do not correspond to each other. Ensuring that these ARNs are correctly associated with the MSK cluster and its configuration is crucial in resolving this error.

✅ Best Solutions to Fix It

Verify Configuration Parameters

  1. Step 1: Check the AWS documentation for the UpdateClusterConfiguration operation to ensure you have the correct parameters. The AWS CLI command reference provides detailed information on valid configuration parameters, data types, and input formats.
  2. Step 2: Use the aws kafka describe-cluster-configuration command to verify that the cluster-arn and configuration-arn provided are correctly associated with the MSK cluster. This command returns a JSON object containing the cluster configuration details, which can be used to validate the ARNs.
  3. Step 3: Manually review the configuration parameters passed to the UpdateClusterConfiguration operation to ensure they match the expected format and values.

Check Cluster-ARN and Configuration-ARN

  1. Step 1: Verify that the cluster-arn provided in the UpdateClusterConfiguration operation corresponds to the MSK cluster. Use the aws kafka describe-cluster command to retrieve the ARN of the cluster.
  2. Step 2: Double-check that the configuration-arn provided matches the ARN returned by the describe-cluster-configuration command. Ensure that both ARNs are correctly associated with each other.

✨ Wrapping Up

To resolve the BadRequestException error when calling the UpdateClusterConfiguration operation, administrators should first verify the configuration parameters and ensure they match the expected format and values. If the issue persists, it's essential to check that the cluster-arn and configuration-arn provided are correctly associated with the MSK cluster. By following these troubleshooting steps, administrators can efficiently identify and resolve the error, ensuring their MSK cluster configurations are updated successfully.

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