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Consume Web Service (JSON) in AX 2012

Posted on by 10

Hi,

I'm trying to call a webservice (POST input JSON) in X , below is my code and I'm not sure what is wrong/missing:

static void Job269(Args _args)
{
    System.Net.WebHeaderCollection  headers = new System.Net.WebHeaderCollection();
    System.IO.Stream streamstr,responsestr;
    System.IO.StreamWriter streamWriter;
    System.Net.WebResponse webresponse;
    System.IO.StreamReader reader;
    System.Exception ex , ex2, webexception;
    System.Net.WebRequest webreq = System.Net.WebRequest::Create("url");

    str json = @'{"items":[
    {"product_sku":"SKU1","quantity":"15"},
    {"product_sku":"SKU2","quantity":"3"} ]}';
    
    headers.Add('Authorization: bearer AuthorizationCODE');
    webreq.set_Headers(headers);

    webreq.set_Timeout(100000);

    webreq.set_Method("POST");
    webreq.set_ContentType("application/json");


   streamstr = webreq.GetRequestStream();
   streamWriter = new System.IO.StreamWriter(streamstr);
   streamWriter.Write(json);
   streamWriter.Flush();
   streamWriter.Close();
   streamWriter.Dispose();

    try
    {
        //info('Line 42');
        webresponse = webreq.GetResponse();

       responsestr = webresponse.GetResponseStream();
       reader = new System.IO.StreamReader(responsestr);
       info(reader.ReadToEnd());
    }
    /*
    catch(Exception::CLRError)
    {
        ex = ClrInterop::getLastException();
        //ex2 = CLRInterop::getLastException().GetBaseException();
        if (ex != null)
        {
            ex = ex.get_InnerException();
            if (ex != null)
                error(ex.ToString());
        }
    }*/
    catch (Exception::CLRError)
{
ex = CLRInterop::getLastException();
info(ex.ToString());
if (ex != null)
{
ex = ex.get_InnerException();
if ((ex != null) && (ex is System.Net.WebException))
    info(ex.ToString());
}

}
}

Yet I'm getting the following error (not sure why):

pastedimage1665247673847v1.png

Moreover, following is the call of the webservice from Postman:

pastedimage1665247947080v2.png

Any idea what's the error or how to call such services with authorization?

  • Martin Dráb Profile Picture
    Martin Dráb 225,000 Super User on at
    RE: Consume Web Service (JSON) in AX 2012

    What result do you get when you actually send the request from Postman? I assume it succeeds, but you didn't say it.

    If it's the case, please try the same value of the Authorization header in X++.

    The HTTP code seems to suggest that the server can't give you a response time that you can accept, but it's not clear to me why.

    By the way, you should dispose resources correctly, which means all disposable resources and both in the successful scenario and on failure.  Also, calling both on Close() and Dispose on streamWriter isn't needed - they do the same thing.

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