package my.sevice;

/**
 *
 * @author ksa
 */
public class AxisTest {

    /**
     * Sample method
     */
    public String hello() {
        return "Hello World" ;
    }    
}

<?xml version="1.0" encoding="UTF-8"?>
<serviceGroup>
    <service name="AxisTest" scope="application">
        <description>AxisTest service</description>
        <messageReceivers>
            <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only" class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver"/>
            <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out" class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>
        </messageReceivers>
        <parameter name="ServiceClass">my.sevice.AxisTest</parameter>
    </service>
</serviceGroup>

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:sev="http://sevice.my">
   <soapenv:Header/>
   <soapenv:Body>
      <sev:hello/>
   </soapenv:Body>
</soapenv:Envelope>

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
   <soapenv:Header/>
   <soapenv:Body>
      <soapenv:Fault>
         <faultcode>soapenv:Server</faultcode>
         <faultstring>The ServiceClass object does not implement the required method in the following form: OMElement hello(OMElement e)</faultstring>
         <detail/>
      </soapenv:Fault>
   </soapenv:Body>
</soapenv:Envelope>