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07.15.2008 at 01:28PM PDT, ID: 23567542
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9.0

Calling ASP.NET Web Service from Java client using Axis

Asked by Triskelion in Java Standard Edition, New to Java Programming, Web Services Description Language

Tags: , ,

...new to Java and just messing around...
I am attempting to call the "BigAdd" method on this page:
http://www.meizlik.com/Service.asmx

I get a multitude of errors no matter what I try; the latest of which is a NullReferenceException:
    at BigAddService.Bob_Services.BigAdd_Method(String a1, String a2)
    at BigAddService.Bob_Services.BigAdd(String addend_1, String addend_2)

I just want to see this work.  Any suggestions or answers?Start Free Trial
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import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import org.apache.axis.encoding.XMLType;
import javax.xml.namespace.QName;
import javax.xml.rpc.NamespaceConstants;
import javax.xml.rpc.ParameterMode;
import java.net.URL;
 
public class JavaWS3
{
	public static void main(String [] args)
	{
		try
		{
			////////////////////////////////////////////////////////////////////
			// Responds the same with or without the ?WSDL
			String	strEndPoint		= "http://www.meizlik.com/Service.asmx";
			String	strSoapAction	= "http://www.meizlik.com/BigAdd";
			String	strSchemaURL	= "http://www.w3.org/2001/XMLSchema";
			String	strParamName1	= "addend_1";
			String	strParamName2	= "addend_2";
			String	strParameterVal1= "6";
			String	strParameterVal2= "7";
			String	strFunctionName	= "BigAdd";
 
			//Call	call   = (Call) new Service().createCall();//Works
			//Call	call   = new Call(strSoapAction);//Works same
			Call	call   = new Call(strEndPoint);//Works same
 
			call.setEncodingStyle(NamespaceConstants.NSURI_SOAP_ENCODING);
			//
			call.setTargetEndpointAddress(new URL(strEndPoint));
			//
			////////////////////////////////////////////////////////////////////
			// first parameter in QName seemingly takes ANYTHING
			call.setOperationName(new QName(strSchemaURL, strFunctionName));
 
			////////////////////////////////////////////////////////////////////
			// Set the name of the parameter and the return type
			call.setReturnType(XMLType.XSD_STRING);
			call.addParameter(strParamName1, XMLType.XSD_STRING, ParameterMode.IN);
			call.addParameter(strParamName2, XMLType.XSD_STRING, ParameterMode.IN);
 
			//
			////////////////////////////////////////////////////////////////////
			// Catch the result and print it
			// Parameter count is now ONE (1).
			// call.setUseSOAPAction(true);//Not Necessary
			call.setSOAPActionURI(strSoapAction);//Yes Necessary
 
			String	strResult = (String) call.invoke(
				new Object[] {
					new String(strParameterVal1),
					new String(strParameterVal2)
					}
				);
 
			System.out.println("Result='" + strResult + "'");
		}
		catch (Exception e)
		{
			System.err.println(e.toString());
		}
	}
}
[+][-]07.16.2008 at 10:58AM PDT, ID: 22018451

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[+][-]07.16.2008 at 06:55PM PDT, ID: 22021807

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[+][-]07.16.2008 at 06:56PM PDT, ID: 22021813

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About this solution

Zones: Java Standard Edition, New to Java Programming, Web Services Description Language
Tags: Sun, Microsoft, Web Services, Axis, ASP.NET, JDK 6
Sign Up Now!
Solution Provided By: shivaspk
Participating Experts: 1
Solution Grade: A
 
 
[+][-]07.16.2008 at 06:57PM PDT, ID: 22021820

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