running an axis2 client version 1.5

Question

So I'm running out of ideas to try to actually get a client to connect to the SOAP service I'm running through axis2.

I tried two methods, one was to use wsdl2java to build the stub and associated client side classes, and then write a Client class that build the requests messages and sends them through the Stub. The other way was to use the ServiceClient to connect..

Both are failing in their own way..

Option #1, every time a message is sent through the stub I get this back:

org.apache.axis2.AxisFault: The input stream for an incoming message is null.
at org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:87)
at org.apache.axis2.transport.TransportUtils.createSOAPMessage(TransportUtils.java:67)
at org.apache.axis2.description.OutInAxisOperationClient.handleResponse(OutInAxisOperation.java:354)
at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:417)
at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229)
at org.apache.axis2.client.OperationClient.execute(OperationClient.java:165)

Option #2, everytime I run it I get this Exception:

org.apache.axis2.deployment.DeploymentException: org.apache.axis2.transport.local.LocalTransportSender

Option #2 source:

import javax.xml.stream.XMLStreamException;
import org.apache.axiom.om.OMAbstractFactory; 
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.Constants;
import org.apache.axis2.client.ServiceClient;

public class loyaltyClient {

    private static EndpointReference targetEPR = 
         new EndpointReference(
           "http://localhost:8080/axis2/services/service");

    public static OMElement verifyCustomer(String customer_id) {
        OMFactory fac = OMAbstractFactory.getOMFactory();
        OMNamespace omNs = fac.createOMNamespace(
                "http://localhost/", "service");
        OMElement method = fac.createOMElement("VerifyCustomer", omNs);
        OMElement value1 = fac.createOMElement("customer_id",omNs);
        OMElement value2 = fac.createOMElement("source_id",omNs);
        OMElement value3 = fac.createOMElement("source_password",omNs);
        OMElement value4 = fac.createOMElement("source_txnid",omNs);
        OMElement value5 = fac.createOMElement("timestamp",omNs);

value1.addChild(fac.createOMText(value1, customer_id));
value2.addChild(fac.createOMText(value2, "source"));
value3.addChild(fac.createOMText(value3, "1234"));
value4.addChild(fac.createOMText(value4, "123"));
value5.addChild(fac.createOMText(value5, "06-01-2010 12:01:01"));
        method.addChild(value1);
        method.addChild(value2);
        method.addChild(value3);
        method.addChild(value4);
        method.addChild(value5);
        return method;
    }

    public static void main(String[] args) {
        try {
            OMElement vctest = loyaltyClient.verifyCustomer("6177740603");
            Options options = new Options();
            options.setTo(targetEPR);

options.setTransportInProtocol(Constants.TRANSPORT_HTTP);

            ServiceClient sender = new ServiceClient();
            sender.setOptions(options);
            OMElement result = sender.sendReceive(vctest);

            String response = result.getFirstElement().getText();
            System.out.println(response);

        } catch (Exception e) { //(XMLStreamException e) {
            System.out.println(e.toString());
        }
    }

}

Answer 1

I've also encountered the error "The input stream for an incoming message is null" while using Axis to connect to a .Net service provider.

The problem is that .Net doesn't not support a feature called "chunked encoding", by default Axis will break its request header in chunks which is suppose to be a HTTP 1.1 compliant thing.

Anyway, you can turn this feature off in Axis by doing the following:

// Turn off the Axsis Chunked feature, some service providers (like .Net) don't support chunked headers.
Options options = serviceClient.getOptions();
options.setProperty(HTTPConstants.CHUNKED, Constants.VALUE_FALSE);
serviceClient.setOptions(options);            

This worked for me. Another thing to make sure of when dealing with .Net services is to be able to specify the port name and make sure your message payload has the namespace prefix for each element.

Hope this info helps somebody.

Cheers, DC