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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / NAVHttp Client Request...
Small and medium business | Business Central, N...
Answered

NAVHttp Client Request Failed

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Posted on by RevanthM 55

Hi Team,

While processing an external API in BC, I get the status code 0 and response "NavHttp Client Request Failed".

But while I am calling same uri in Postman, I get a proper response and status code is 200.

Can you please advise on this,

Thank you for your help!

.issue1.png

pastedimage1631447854419v2.png

Thank you

Regards

Revanth

I have the same question (0)
  • Suggested answer
    Andrey Baludin Profile Picture
    Andrey Baludin 3,941 on at

    Hi Revanth,

    there is no httpStatus 0. This is default value and this means that server do not responds to you at all. This could be timeout issue, incorrect URL or some missed header in request - a lot of reasons.

    Please share the full URL. I see that it looks just like picture download with anonymous auth and I think this is not a big secret?

  • RevanthM Profile Picture
    RevanthM 55 on at

    Hi @Andrey,

    Here is the url - static.grainger.com/.../19YH59_AS01

    Thank you for your help!

    Regards

    Revanth M

  • Verified answer
    Andrey Baludin Profile Picture
    Andrey Baludin 3,941 on at

    In the headers of Postman request which works you can see extra hidden headers including "Accept" : '*\*'

    pastedimage1631537539759v1.png

    So just add this to your request and it works :

    local procedure testImageDownload()
    var
        Client: HttpClient;
        ResponseMessage: HttpResponseMessage;
        Headers: HttpHeaders;
        ResponseText: Text;
    begin
        ResponseText := '';

        Headers := Client.DefaultRequestHeaders;
        Headers.Add('Accept', '*/*');
        if not Client.Get('https://static.grainger.com/rp/s/is/image/Grainger/19YH59_AS01?$S7PRODUCT$', ResponseMessage) then
            Error('Not ok');

        ResponseMessage.Content().ReadAs(ResponseText);

        if not ResponseMessage.IsSuccessStatusCode() then
            ResponseText := StrSubstNo('%1 %2', ResponseMessage.HttpStatusCode(), ResponseText);

        Message(ResponseText);
    end;

  • RevanthM Profile Picture
    RevanthM 55 on at

    Thank you very much @Andrey.

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