MCM service - GetClientCustomerId : "The remote server returned an error: (500) Internal Server Error."

[Kiran]

 

Hi,

 

We have a requirement in our project to get Client Customer ID. For this we 
are calling AdWords API v201206 : 
https://adwords.google.com/api/adwords/mcm/v201206. We are getting 
following error from the service. Kindly let us know if anything is missing 
in code posted below.

 

Kindly note : We are following approach of calling AdWords API v201206 with 
C# without using the AdWords API dotnet client library. 

Reference : 
https://code.google.com/p/google-api-adwords-dotnet/wiki/NoClientLibrary

 

 

ERROR MSG : "The remote server returned an error: (500) Internal Server 
Error."

 

 

DETAILS : System.Net.WebException was caught

  Message=The remote server returned an error: (500) Internal Server Error.

  Source=System

  StackTrace:

       at System.Net.HttpWebRequest.GetResponse()

       at 
DataSync.Component.GoogleClientCustomerIdManager.GetClientCustomerId()

 

CODE:

 

public static void GetClientCustomerId()

        {

            string authToken = GetAuthToken();

            string developerToken = GetDeveloperToken();

            string userAgent = GetUserAgent();

 

            string requestXml = string.Format(@" 

                  <?xml version='1.0' encoding='utf-8'?> 

                  <soap:Envelope 
xmlns:soap='http://schemas.xmlsoap.org/soap/envelope/' 

                      xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' 

                      xmlns:xsd='http://www.w3.org/2001/XMLSchema'> 

                    <soap:Header> 

                      <RequestHeader 
xmlns='https://adwords.google.com/api/adwords/mcm/v201206'> 

                        <authToken>{0}</authToken> 

                        <developerToken>{1}</developerToken> 

                        <userAgent>{2}</userAgent>

                      </RequestHeader> 

                    </soap:Header> 

                    <soap:Body> 

                      <get 
xmlns='https://adwords.google.com/api/adwords/mcm/v201206'>

                          <serviceSelector>

                            <fields>Login</fields>

                            <fields>CustomerId</fields>

                            <fields>Name</fields>

                          </serviceSelector>

                        </get>

                    </soap:Body> 

                  </soap:Envelope>",

                authToken,

                developerToken,

                userAgent).Trim();

 

 

            WebRequest webRequest = HttpWebRequest.Create("
https://adwords.google.com/api/adwords/mcm/v201206/ManagedCustomerService";);

 

            webRequest.Method = "POST";

            webRequest.ContentType = "text/xml; charset=utf-8";

            webRequest.Headers.Add("SOAPAction", "");

            byte[] postBytes = Encoding.UTF8.GetBytes(requestXml);

            webRequest.ContentLength = postBytes.Length;

 

            using (Stream strmReq = webRequest.GetRequestStream())

            {

                strmReq.Write(postBytes, 0, postBytes.Length);

            }

            try

            {

                WebResponse response = webRequest.GetResponse();

 

                using (StreamReader reader = new 
StreamReader(response.GetResponseStream()))

                {

                    string responseXml = reader.ReadToEnd();

                    XmlDocument xDoc = new XmlDocument();

                    xDoc.LoadXml(responseXml);

                    XmlNamespaceManager xmlns = new 
XmlNamespaceManager(xDoc.NameTable);

                    xmlns.AddNamespace("soap", "
http://schemas.xmlsoap.org/soap/envelope/";);

                    xmlns.AddNamespace("v201206", "
https://adwords.google.com/api/adwords/mcm/v201206";);

                    XmlElement faultNode =

                        
(XmlElement)xDoc.SelectSingleNode("soap:Envelope/soap:Body/soap:Fault", 
xmlns);

                    if (faultNode != null)

                    {

                        // Something went wrong with API call. Parse 
faultNode for more details. 

                    }

                    else

                    {

                        XmlElement mutateResponseNode = 
(XmlElement)xDoc.SelectSingleNode(

                            "soap:Envelope/soap:Body/v201206:mutateResponse", 
xmlns);

                        // Parse mutateResponseNode contents to get the 
campaign id. 

                    }

                }

            }

            catch (WebException ex)

            {

                throw new ApplicationException("Could not make Api call.", 
ex);

            }

        }

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