Inspector2 list_findings error: pagination token exception in operation 'GetFindings': filter parameters changed in the request

Question

I am getting the following error but my parameters are not changing in the request, they are fixed

> (Service: MandoFindings, Status Code: 400,) Pagination token exception in operation 'GetFindings': filter parameters changed in the request

code looks like

```
def get_findings(client,next_token,filter_date):
    if next_token:
       response = client.list_findings(filterCriteria={'lastObservedAt':[{"startInclusive":filter_date},
                                   nextToken=next_token)
    else:
        response = client.list_findings(filterCriteria={'lastObservedAt':[{"startInclusive":filter_date})

return response
```
Any thoughts on why this is happening? we are running a daily job to pull this data through

M Zubair Bin Ramzan · Answer

Why This Happens:
The filterCriteria parameters used in the initial request (including the lastObservedAt filter) must remain the same in the following requests.

If you're passing nextToken along with the filter criteria, but the filter criteria change between paginated requests, AWS Inspector2 will throw this error.

Potential Issue in Your Code:
In your code, the filter criteria in the list_findings call might not be consistently the same across paginated requests because the condition for the nextToken logic may be modifying the filterCriteria parameters unintentionally. For example, if filter_date changes between requests, it can cause a mismatch.

Suggested Fix:
To resolve this, ensure that the filter parameters remain unchanged between pagination requests, including lastObservedAt. You should pass the same filter_date in each call to list_findings and not modify it between paginated calls.

Here’s how you can adjust the code:

def get_findings(client, next_token, filter_date):
    # Build the base filter criteria
    filter_criteria = {
        'lastObservedAt': [{"startInclusive": filter_date}]
    }
    
    # Include the nextToken only if it's present
    if next_token:
        response = client.list_findings(
            filterCriteria=filter_criteria,
            nextToken=next_token
        )
    else:
        response = client.list_findings(
            filterCriteria=filter_criteria
        )

return response

regards,
M Zubair
https://zeonedge.com

Inspector2 list_findings error: pagination token exception in operation 'GetFindings': filter parameters changed in the request

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