Agent collaborator failed to process the request with error. The server encountered an error processing the Lambda response.

The error message you're receiving indicates that the supervisor agent is unable to process the Lambda response from the collaborator agent, despite the Lambda function working fine. This usually points to issues with the response format or how the supervisor handles the response. Here's how to troubleshoot and solve this issue:

1. Check Lambda Response Format: Ensure that the Lambda function's response strictly adheres to the format expected by the supervisor. Based on the documentation from AWS, the response from the Lambda function should be in this format:

{ "statusCode": 200, "body": { "data": "Some result or information" } } Double-check the following:

statusCode: Ensure it's set to 200 or another appropriate HTTP status code.

body: The body should be a JSON object. If the body is not in the correct format or the structure doesn't match the expected format, it might cause issues with processing the response.

Example Response (JSON format):

{ "statusCode": 200, "body": { "result": "success", "message": "Request processed successfully" } } 2. Validate Content-Type Headers: Check if the content type of the response from Lambda is correctly set, especially when interacting with APIs. Ensure that the Lambda function returns a valid JSON response and that any headers (like Content-Type) are set to application/json.

3. Review the Lambda Function Logs: Check the Lambda function logs in CloudWatch to ensure that it’s processing the request as expected and generating the correct response. Pay attention to any potential errors, missing values, or mismatches in the response format.

4. Ensure Proper Error Handling in Lambda: The Lambda function should have proper error handling in place. If any error occurs in the Lambda function and the response format is incorrect (for example, if there's an unhandled exception), the supervisor will fail to process the response. Ensure that all potential errors are handled appropriately, and that the function returns a properly formatted error response.

For example:

{ "statusCode": 500, "body": { "error": "Some error message" } } 5. Check Supervisor-Agent Configuration: Ensure that the collaborator configuration is correctly set up in the supervisor, and that the supervisor is properly configured to expect a response from the collaborator in the correct format. If there is any misalignment in expectations between the supervisor and the collaborator (e.g., different response formats, missing fields), the supervisor will fail to process the request.

If you have access to configuration files or logs for the supervisor agent, review them to ensure everything is configured correctly.

6. Ensure Payload Size Limitations: Lambda responses can sometimes be subject to size limitations. If your Lambda function's response is too large (more than 6MB), the supervisor may fail to process it. Check the size of the response and make sure it is within the limits.

7. Check for Network or Timeout Issues: If there are any network or timeout issues between the supervisor and collaborator agents, the response might not be delivered properly. Ensure that there are no connectivity issues and that the timeout settings for the Lambda function and the supervisor are appropriate.

8. Test with a Simple Lambda Response: As a troubleshooting step, try testing with a very simple Lambda function response. For example, just return a basic success message like:

{ "statusCode": 200, "body": { "result": "success" } } This will help you isolate whether the issue is with the complexity of the Lambda response or something else.

9. Consult AWS Bedrock Documentation: Review any related sections of the AWS Bedrock User Guide for detailed examples or known issues when handling Lambda responses. This can sometimes provide helpful tips for handling edge cases or specific configurations that might cause issues.

regards, M Zubair https://zeonedge.com