SSIS 2012 Web Service Task - String is not of type Primitive Type

StackOverflow https://stackoverflow.com/questions/22333375

  •  13-06-2023
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Question

I am using SSIS 2012 and trying to call the following public web service: https://www.asc.gov/wsvc/ASCQuerySvc.asmx?WSDL

I am able to successfully call the GetQueryableFields() method however when I try to call the RunQuery() method I get the following error:

[Web Service Task] Error: An error occurred with the following error message: "Microsoft.SqlServer.Dts.Tasks.WebServiceTask.WebserviceTaskException: Could not execute the Web method. The error is: The WebMethodInfo you have specified is incorrect. String is not of type Primitive Type..
   at Microsoft.SqlServer.Dts.Tasks.WebServiceTask.WebMethodInvokerProxy.InvokeMethod(DTSWebMethodInfo methodInfo, String serviceName, Object connection)
   at Microsoft.SqlServer.Dts.Tasks.WebServiceTask.WebServiceTaskUtil.Invoke(DTSWebMethodInfo methodInfo, String serviceName, Object connection, VariableDispenser taskVariableDispenser)
   at Microsoft.SqlServer.Dts.Tasks.WebServiceTask.WebServiceTask.executeThread()".

I have scoured the web and the only thing I can find is that the Web Service task has issues with custom complex objects, no further explanation. The only workaround I have found is to do a Script task instead, which I can do. I'm only asking because it would be great if I could use the Web Service task over custom C# so that my BI guy doesn't have to wait on a developer before he can build these SSIS packages.

Thanks in advance.

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Solution

Have the same problem. Figured it out after hours of troubleshooting.

When run the SSIS package to extract license data from ASC webservice, it failed with error message listed below:

The WebMethodInfo you have specified is incorrect. String is not of type Primitive Type

Because the datatype definition in the dtsx file is case sensitive.

To fix this, edit the dtsx file with notepad. Search for Datatype="String". There are three matches, only one with the upper case. Replace the upper case S in "String" with a lower case s --> "string". Save the dtsx file.

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