Microsoft.Graph.ServiceException: 'Error occured when making a request with the page iterator

Question

Microsoft.Graph.ServiceException: 'Error occured when making a request with the page iterator

Mewan Rangana 0

I have a issue when getting the folders form a share point library.

I get the error in this part of my code.
This is the error
unauthenticated : Invalid audience Uri '00000003-0000-0000-c000-000000000000'.

var pageIterator = PageIterator<DriveItem, DriveItemCollectionResponse>
    .CreatePageIterator(_graphClient, response,
    (children) =>
    {
        childrens.Add(children);
        return true;
    });

await pageIterator.IterateAsync();

This was working fine and there wasn't any changes recently in the code.
I already have included those scopes in the graph calls

MsGraphScope = new string[] { "user.read", "sites.read.all", "sites.manage.all", "offline_access" };

Please assist me to understand the problem here.

CarlZhao-MSFT 46,371 Reputation points

2024-01-15T08:55:40.98+00:00

The code seems fine, was it working fine before?
Mewan Rangana 0 Reputation points

2024-01-15T21:45:10.8966667+00:00

Yes, It was totally working fine before. No code changes. The error says Unauthenticated. But even now I get the response result for the first page. I get the error when the code hit await pageIterator.IterateAsync();

1 answer

Your answer

CarlZhao-MSFT 46,371 Reputation points

2024-01-15T08:55:40.98+00:00

The code seems fine, was it working fine before?
Mewan Rangana 0 Reputation points

2024-01-15T21:45:10.8966667+00:00

Yes, It was totally working fine before. No code changes. The error says Unauthenticated. But even now I get the response result for the first page. I get the error when the code hit await pageIterator.IterateAsync();

Answer 1

Azizkhon Ishankhonov 540

Hi, Please make sure that your authentication works properly. Clear browser caches. After that obtain the token and verify that the aud field is what you are expecting.

Mewan Rangana 0 Reputation points

2024-01-15T23:59:23.1566667+00:00

Cleared the browser cache and obtain a new token. this is the aud for the token which seems to be correct. "00000003-0000-0000-c000-000000000000". But still the issue is exists.
Azizkhon Ishankhonov 540 Reputation points

2024-01-16T00:31:35.7+00:00

Okay, let's debug. I tried to iterate for messages and it works perfectly in .net 8. Did you obtain driveItems from graph API, are values available? not just the first page, but a bit more number of items than pageSize. Maybe, you don't have access to one of the items. We can verify that by retrieving items. If you able to get all items that mean problem with IterationAsync function

Mewan Rangana 0

public async Task<int> GetLibraryItemsCount(string driveId) { List<DriveItem> items = new List<DriveItem>(); var allItems = await _graphClient.Drives[driveId].Items.GetAsync((requestConfiguration) => { requestConfiguration.QueryParameters.Filter = "folder ne null or file ne null"; }); var pageIterator = PageIterator<DriveItem, DriveItemCollectionResponse> .CreatePageIterator(_graphClient, allItems, (i) => { items.Add(i); return true; }); await pageIterator.IterateAsync(); return items.Count; }

This is the code. I get 200 items for the response and get the error in the pageIterator. this seems to be working some times and sometimes giving the above error. But this was working for a month without any problem. I updated the Graph SDK to the latest and still no chnage.

Azizkhon Ishankhonov 540 Reputation points

2024-01-16T00:38:25.29+00:00

then we can deep dive into this problem.
Azizkhon Ishankhonov 540 Reputation points

2024-01-16T00:39:11.29+00:00

Okay, did you use Graph API payment model?
Azizkhon Ishankhonov 540 Reputation points

2024-01-16T00:40:05.0733333+00:00

there some limitation for number of request and object retrieval
Mewan Rangana 0 Reputation points

2024-01-16T00:42:22.7333333+00:00

Yes it is
Azizkhon Ishankhonov 540 Reputation points

2024-01-16T00:50:25.3833333+00:00

Could you please share details about the Graph API package version and framework version?
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Azizkhon Ishankhonov 540

It works with the same package and framework version. Create a console application with the same package and framework version. Grab a token from Graph Explorer and put the token into Graph Client, if it is works that means something wrong with the token.

using Microsoft.Graph;
using Microsoft.Graph.Models;
using Microsoft.Kiota.Abstractions;
using Microsoft.Kiota.Abstractions.Authentication;

string accessToken = "access token";
GraphServiceClient graphClient = new GraphServiceClient(new TokenAuthenticationProvider(accessToken));

Console.WriteLine(GetLibraryItemsCount().Result);
async Task<int> GetLibraryItemsCount()
{
    var drives = await graphClient.Drives.GetAsync();

    var items = new List<DriveItem>();
    var allItems = await graphClient.Drives[drives.Value.First().Id].Items.GetAsync((requestConfiguration) =>
    {
        requestConfiguration.QueryParameters.Filter = "folder ne null or file ne null";
    });
    var pageIterator = PageIterator<DriveItem, DriveItemCollectionResponse>
        .CreatePageIterator(graphClient, allItems, (i) =>
        {
            items.Add(i); return true;
        });
    await pageIterator.IterateAsync();

    return items.Count;
}

class TokenAuthenticationProvider : IAuthenticationProvider
{
    private readonly string _accessToken;

    public TokenAuthenticationProvider(string accessToken)
    {
        _accessToken = accessToken;
    }
    public Task AuthenticateRequestAsync(RequestInformation request, Dictionary<string, object>? additionalAuthenticationContext = null,
        CancellationToken cancellationToken = new CancellationToken())
    {
        request.Headers.Add("Authorization", $"Bearer {_accessToken}");
        return Task.CompletedTask;

    }
}

Mewan Rangana 0 Reputation points

2024-01-16T02:28:31.0733333+00:00

I tried this as well. But still having the issue. Generate the token with graph Explorer and tried with that. This is so whired. I'm wondering how this works before.
Azizkhon Ishankhonov 540 Reputation points

2024-01-16T09:06:14.95+00:00
well, that means an issue on your PC, but not the library or API.

Try restart the PC

Clear Visual Studio cache

Try run same code on another machine
RaytheonXie_MSFT 40,471 Reputation points Microsoft External Staff

2024-01-22T05:29:47.26+00:00

Hi @Mewan Rangana, Would you tell me whether your issue has been resolved or have any update? If you have any questions or progress, you can contact me in time.
Mewan Rangana 0 Reputation points

2024-01-22T05:49:58.83+00:00

@RaytheonXie_MSFT Thanks for contacting. I logged a ticket in graph sdk https://github.com/microsoftgraph/msgraph-sdk-dotnet/issues/2291 and they confirmed it as a API issue. Still waiting for a fix for the sdk.
Mewan Rangana 0 Reputation points

2024-01-22T05:57:25.0333333+00:00

Will post here when it been fixed

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Microsoft.Graph.ServiceException: 'Error occured when making a request with the page iterator

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