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From "Henry Lu" <z...@med.umich.edu>
Subject new comments
Date Fri, 15 Oct 2004 12:02:39 GMT
Jayachandra, thanks for your info and time. But I have never had lock to
make things going. Here is my code:

package ws.Echo;

public interface Echo
{
    public String echoString(String arg);
    public String echoString_double(String arg1, String arg2);
}

////////////////////////////////////////////////////////////////////

wsdl file generaged by axis-java2wsdl:

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions targetNamespace="http://www.echo/wscr"
xmlns:apachesoap="http://xml.apache.org/xml-soap"
xmlns:impl="http://www.echo/wscr" xmlns:intf="http://www.echo/wscr"
xmlns:tns1="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
xmlns:wsdlsoap="http://schemas.xmlsoap.org/wsdl/soap/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<!--WSDL created by Apache Axis version: 1.2RC1
Built on Sep 29, 2004 (08:29:40 EDT)-->
 <wsdl:types>
  <schema elementFormDefault="qualified"
targetNamespace="http://www.echo/wscr"
xmlns="http://www.w3.org/2001/XMLSchema">
   <element name="in0" type="tns1:string"/>
   <element name="echoStringReturn" type="tns1:string"/>
   <element name="in1" type="tns1:string"/>
   <element name="in2" type="tns1:string"/>
   <element name="echoString_doubleReturn" type="tns1:string"/>
  </schema>
 </wsdl:types>

   <wsdl:message name="echoStringResponse">

      <wsdl:part element="impl:echoStringReturn"
name="echoStringReturn"/>

   </wsdl:message>

   <wsdl:message name="echoStringRequest">

      <wsdl:part element="impl:in0" name="in0"/>

   </wsdl:message>

   <wsdl:message name="echoString_doubleResponse">

      <wsdl:part element="impl:echoString_doubleReturn"
name="echoString_doubleReturn"/>

   </wsdl:message>

   <wsdl:message name="echoString_doubleRequest">

      <wsdl:part element="impl:in1" name="in0"/>

      <wsdl:part element="impl:in2" name="in1"/>

   </wsdl:message>

   <wsdl:portType name="Echo">

      <wsdl:operation name="echoString" parameterOrder="in0">

         <wsdl:input message="impl:echoStringRequest"
name="echoStringRequest"/>

         <wsdl:output message="impl:echoStringResponse"
name="echoStringResponse"/>

      </wsdl:operation>

      <wsdl:operation name="echoString_double" parameterOrder="in0
in1">

         <wsdl:input message="impl:echoString_doubleRequest"
name="echoString_doubleRequest"/>

         <wsdl:output message="impl:echoString_doubleResponse"
name="echoString_doubleResponse"/>

      </wsdl:operation>

   </wsdl:portType>

   <wsdl:binding name="Echo" type="impl:Echo">

      <wsdlsoap:binding style="document"
transport="http://schemas.xmlsoap.org/soap/http"/>

      <wsdl:operation name="echoString">

         <wsdlsoap:operation soapAction="echoString"/>

         <wsdl:input name="echoStringRequest">

            <wsdlsoap:body use="literal"/>

         </wsdl:input>

         <wsdl:output name="echoStringResponse">

            <wsdlsoap:body use="literal"/>

         </wsdl:output>

      </wsdl:operation>

      <wsdl:operation name="echoString_double">

         <wsdlsoap:operation soapAction="echoString_double"/>

         <wsdl:input name="echoString_doubleRequest">

            <wsdlsoap:body use="literal"/>

         </wsdl:input>

         <wsdl:output name="echoString_doubleResponse">

            <wsdlsoap:body use="literal"/>

         </wsdl:output>

      </wsdl:operation>

   </wsdl:binding>

   <wsdl:service name="EchoService">

      <wsdl:port binding="impl:Echo" name="Echo">

         <wsdlsoap:address
location="http://localhost:8088/axis/services/Echo"/>

      </wsdl:port>

   </wsdl:service>

</wsdl:definitions>

///////////////////////////////////////////////////////////////////////////////

wsdd file generaged by axis-wsdl2java:
<deployment
    xmlns="http://xml.apache.org/axis/wsdd/"
    xmlns:java="http://xml.apache.org/axis/wsdd/providers/java">

  <!-- Services from EchoService WSDL service -->

  <service name="Echo" provider="java:RPC" style="document"
use="literal">
      <parameter name="wsdlTargetNamespace"
value="http://www.echo/wscr"/>
      <parameter name="wsdlServiceElement" value="EchoService"/>
      <parameter name="wsdlServicePort" value="Echo"/>
      <parameter name="className" value="ws.Echo.EchoSkeleton"/>
      <parameter name="wsdlPortType" value="Echo"/>
      <parameter name="allowedMethods" value="*"/>
      <parameter name="scope" value="Session"/>

  </service>
</deployment>

//////////////////////////////////////////////////////////////

imp file generated by axis-wsdl2java:

package ws.Echo;

public class EchoImpl implements ws.Echo.Echo{
    public java.lang.String echoString(java.lang.String in0) throws
java.rmi.RemoteException {
        return null;
    }

    public java.lang.String echoString_double(java.lang.String in0,
java.lang.String in1) throws java.rmi.RemoteException {
        return null;
    }

}

/////////////////////////////////////////////////////////////////////

service file:

package ws.Echo;

public interface EchoService extends javax.xml.rpc.Service {
    public java.lang.String getEchoAddress();

    public ws.Echo.Echo getEcho() throws
javax.xml.rpc.ServiceException;

    public ws.Echo.Echo getEcho(java.net.URL portAddress) throws
javax.xml.rpc.ServiceException;
}
///////////////////////////////////////////////////////////////////////////

skeleton file:

package ws.Echo;

public class EchoSkeleton implements ws.Echo.Echo,
org.apache.axis.wsdl.Skeleton {
    private ws.Echo.Echo impl;
    private static java.util.Map _myOperations = new
java.util.Hashtable();
    private static java.util.Collection _myOperationsList = new
java.util.ArrayList();

    /**
    * Returns List of OperationDesc objects with this name
    */
    public static java.util.List
getOperationDescByName(java.lang.String methodName) {
        return (java.util.List)_myOperations.get(methodName);
    }

    /**
    * Returns Collection of OperationDescs
    */
    public static java.util.Collection getOperationDescs() {
        return _myOperationsList;
    }

    static {
        org.apache.axis.description.OperationDesc _oper;
        org.apache.axis.description.FaultDesc _fault;
        org.apache.axis.description.ParameterDesc [] _params;
        _params = new org.apache.axis.description.ParameterDesc [] {
            new org.apache.axis.description.ParameterDesc(new
javax.xml.namespace.QName("http://www.echo/wscr", "in0"),
org.apache.axis.description.ParameterDesc.IN, new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"), java.lang.String.class, false, false), 
        };
        _oper = new
org.apache.axis.description.OperationDesc("echoString", _params, new
javax.xml.namespace.QName("http://www.echo/wscr", "echoStringReturn"));
        _oper.setReturnType(new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"));
        _oper.setElementQName(new javax.xml.namespace.QName("",
"echoString"));
        _oper.setSoapAction("echoString");
        _myOperationsList.add(_oper);
        if (_myOperations.get("echoString") == null) {
            _myOperations.put("echoString", new
java.util.ArrayList());
        }
        ((java.util.List)_myOperations.get("echoString")).add(_oper);
        _params = new org.apache.axis.description.ParameterDesc [] {
            new org.apache.axis.description.ParameterDesc(new
javax.xml.namespace.QName("http://www.echo/wscr", "in1"),
org.apache.axis.description.ParameterDesc.IN, new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"), java.lang.String.class, false, false), 
            new org.apache.axis.description.ParameterDesc(new
javax.xml.namespace.QName("http://www.echo/wscr", "in2"),
org.apache.axis.description.ParameterDesc.IN, new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"), java.lang.String.class, false, false), 
        };
        _oper = new
org.apache.axis.description.OperationDesc("echoString_double", _params,
new javax.xml.namespace.QName("http://www.echo/wscr",
"echoString_doubleReturn"));
        _oper.setReturnType(new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"));
        _oper.setElementQName(new javax.xml.namespace.QName("",
"echoString_double"));
        _oper.setSoapAction("echoString_double");
        _myOperationsList.add(_oper);
        if (_myOperations.get("echoString_double") == null) {
            _myOperations.put("echoString_double", new
java.util.ArrayList());
        }
       
((java.util.List)_myOperations.get("echoString_double")).add(_oper);
    }

    public EchoSkeleton() {
        this.impl = new ws.Echo.EchoImpl();
    }

    public EchoSkeleton(ws.Echo.Echo impl) {
        this.impl = impl;
    }
    public java.lang.String echoString(java.lang.String in0) throws
java.rmi.RemoteException
    {
        java.lang.String ret = impl.echoString(in0);
        return ret;
    }

    public java.lang.String echoString_double(java.lang.String in0,
java.lang.String in1) throws java.rmi.RemoteException
    {
        java.lang.String ret = impl.echoString_double(in0, in1);
        return ret;
    }

}

//////////////////////////////////////////////////////////////////////////////

locator file:

package ws.Echo;

public class EchoServiceLocator extends org.apache.axis.client.Service
implements ws.Echo.EchoService {

    // Use to get a proxy class for Echo
    private java.lang.String Echo_address =
"http://localhost:8088/axis/services/Echo";

    public java.lang.String getEchoAddress() {
        return Echo_address;
    }

    // The WSDD service name defaults to the port name.
    private java.lang.String EchoWSDDServiceName = "Echo";

    public java.lang.String getEchoWSDDServiceName() {
        return EchoWSDDServiceName;
    }

    public void setEchoWSDDServiceName(java.lang.String name) {
        EchoWSDDServiceName = name;
    }

    public ws.Echo.Echo getEcho() throws javax.xml.rpc.ServiceException
{
       java.net.URL endpoint;
        try {
            endpoint = new java.net.URL(Echo_address);
        }
        catch (java.net.MalformedURLException e) {
            throw new javax.xml.rpc.ServiceException(e);
        }
        return getEcho(endpoint);
    }

    public ws.Echo.Echo getEcho(java.net.URL portAddress) throws
javax.xml.rpc.ServiceException {
        try {
            ws.Echo.EchoStub _stub = new ws.Echo.EchoStub(portAddress,
this);
            _stub.setPortName(getEchoWSDDServiceName());
            return _stub;
        }
        catch (org.apache.axis.AxisFault e) {
            return null;
        }
    }

    public void setEchoEndpointAddress(java.lang.String address) {
        Echo_address = address;
    }

    /**
     * For the given interface, get the stub implementation.
     * If this service has no port for the given interface,
     * then ServiceException is thrown.
     */
    public java.rmi.Remote getPort(Class serviceEndpointInterface)
throws javax.xml.rpc.ServiceException {
        try {
            if
(ws.Echo.Echo.class.isAssignableFrom(serviceEndpointInterface)) {
                ws.Echo.EchoStub _stub = new ws.Echo.EchoStub(new
java.net.URL(Echo_address), this);
                _stub.setPortName(getEchoWSDDServiceName());
                return _stub;
            }
        }
        catch (java.lang.Throwable t) {
            throw new javax.xml.rpc.ServiceException(t);
        }
        throw new javax.xml.rpc.ServiceException("There is no stub
implementation for the interface:  " + (serviceEndpointInterface == null
? "null" : serviceEndpointInterface.getName()));
    }

    /**
     * For the given interface, get the stub implementation.
     * If this service has no port for the given interface,
     * then ServiceException is thrown.
     */
    public java.rmi.Remote getPort(javax.xml.namespace.QName portName,
Class serviceEndpointInterface) throws javax.xml.rpc.ServiceException {
        if (portName == null) {
            return getPort(serviceEndpointInterface);
        }
        java.lang.String inputPortName = portName.getLocalPart();
        if ("Echo".equals(inputPortName)) {
            return getEcho();
        }
        else  {
            java.rmi.Remote _stub = getPort(serviceEndpointInterface);
            ((org.apache.axis.client.Stub)
_stub).setPortName(portName);
            return _stub;
        }
    }

    public javax.xml.namespace.QName getServiceName() {
        return new javax.xml.namespace.QName("http://www.echo/wscr",
"EchoService");
    }

    private java.util.HashSet ports = null;

    public java.util.Iterator getPorts() {
        if (ports == null) {
            ports = new java.util.HashSet();
            ports.add(new
javax.xml.namespace.QName("http://www.echo/wscr", "Echo"));
        }
        return ports.iterator();
    }

    /**
    * Set the endpoint address for the specified port name.
    */
    public void setEndpointAddress(java.lang.String portName,
java.lang.String address) throws javax.xml.rpc.ServiceException {
        if ("Echo".equals(portName)) {
            setEchoEndpointAddress(address);
        }
        else { // Unknown Port Name
            throw new javax.xml.rpc.ServiceException(" Cannot set
Endpoint Address for Unknown Port" + portName);
        }
    }

    /**
    * Set the endpoint address for the specified port name.
    */
    public void setEndpointAddress(javax.xml.namespace.QName portName,
java.lang.String address) throws javax.xml.rpc.ServiceException {
        setEndpointAddress(portName.getLocalPart(), address);
    }

}

///////////////////////////////////////////////////////////////////////////

stub file:

package ws.Echo;

public class EchoStub extends org.apache.axis.client.Stub implements
ws.Echo.Echo {
    private java.util.Vector cachedSerClasses = new
java.util.Vector();
    private java.util.Vector cachedSerQNames = new java.util.Vector();
    private java.util.Vector cachedSerFactories = new
java.util.Vector();
    private java.util.Vector cachedDeserFactories = new
java.util.Vector();

    static org.apache.axis.description.OperationDesc [] _operations;

    static {
        _operations = new
org.apache.axis.description.OperationDesc[2];
        _initOperationDesc1();
    }

    private static void _initOperationDesc1(){
        org.apache.axis.description.OperationDesc oper;
        oper = new org.apache.axis.description.OperationDesc();
        oper.setName("echoString");
        oper.addParameter(new
javax.xml.namespace.QName("http://www.echo/wscr", "in0"), new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"), java.lang.String.class,
org.apache.axis.description.ParameterDesc.IN, false, false);
        oper.setReturnType(new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"));
        oper.setReturnClass(java.lang.String.class);
        oper.setReturnQName(new
javax.xml.namespace.QName("http://www.echo/wscr", "echoStringReturn"));
        oper.setStyle(org.apache.axis.enum.Style.DOCUMENT);
        oper.setUse(org.apache.axis.enum.Use.LITERAL);
        _operations[0] = oper;

        oper = new org.apache.axis.description.OperationDesc();
        oper.setName("echoString_double");
        oper.addParameter(new
javax.xml.namespace.QName("http://www.echo/wscr", "in1"), new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"), java.lang.String.class,
org.apache.axis.description.ParameterDesc.IN, false, false);
        oper.addParameter(new
javax.xml.namespace.QName("http://www.echo/wscr", "in2"), new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"), java.lang.String.class,
org.apache.axis.description.ParameterDesc.IN, false, false);
        oper.setReturnType(new
javax.xml.namespace.QName("http://schemas.xmlsoap.org/soap/encoding/",
"string"));
        oper.setReturnClass(java.lang.String.class);
        oper.setReturnQName(new
javax.xml.namespace.QName("http://www.echo/wscr",
"echoString_doubleReturn"));
        oper.setStyle(org.apache.axis.enum.Style.DOCUMENT);
        oper.setUse(org.apache.axis.enum.Use.LITERAL);
        _operations[1] = oper;

    }

    public EchoStub() throws org.apache.axis.AxisFault {
         this(null);
    }

    public EchoStub(java.net.URL endpointURL, javax.xml.rpc.Service
service) throws org.apache.axis.AxisFault {
         this(service);
         super.cachedEndpoint = endpointURL;
    }

    public EchoStub(javax.xml.rpc.Service service) throws
org.apache.axis.AxisFault {
        if (service == null) {
            super.service = new org.apache.axis.client.Service();
        } else {
            super.service = service;
        }
    }

    private org.apache.axis.client.Call createCall() throws
java.rmi.RemoteException {
        try {
            org.apache.axis.client.Call _call =
                    (org.apache.axis.client.Call)
super.service.createCall();
            if (super.maintainSessionSet) {
                _call.setMaintainSession(super.maintainSession);
            }
            if (super.cachedUsername != null) {
                _call.setUsername(super.cachedUsername);
            }
            if (super.cachedPassword != null) {
                _call.setPassword(super.cachedPassword);
            }
            if (super.cachedEndpoint != null) {
                _call.setTargetEndpointAddress(super.cachedEndpoint);
            }
            if (super.cachedTimeout != null) {
                _call.setTimeout(super.cachedTimeout);
            }
            if (super.cachedPortName != null) {
                _call.setPortName(super.cachedPortName);
            }
            java.util.Enumeration keys =
super.cachedProperties.keys();
            while (keys.hasMoreElements()) {
                java.lang.String key = (java.lang.String)
keys.nextElement();
                _call.setProperty(key,
super.cachedProperties.get(key));
            }
            return _call;
        }
        catch (java.lang.Throwable _t) {
            throw new org.apache.axis.AxisFault("Failure trying to get
the Call object", _t);
        }
    }

    public java.lang.String echoString(java.lang.String in0) throws
java.rmi.RemoteException {
        if (super.cachedEndpoint == null) {
            throw new org.apache.axis.NoEndPointException();
        }
        org.apache.axis.client.Call _call = createCall();
        _call.setOperation(_operations[0]);
        _call.setUseSOAPAction(true);
        _call.setSOAPActionURI("echoString");
        _call.setEncodingStyle(null);
        _call.setProperty(org.apache.axis.client.Call.SEND_TYPE_ATTR,
Boolean.FALSE);
        _call.setProperty(org.apache.axis.AxisEngine.PROP_DOMULTIREFS,
Boolean.FALSE);
       
_call.setSOAPVersion(org.apache.axis.soap.SOAPConstants.SOAP11_CONSTANTS);
        _call.setOperationName(new javax.xml.namespace.QName("",
"echoString"));

        setRequestHeaders(_call);
        setAttachments(_call);
        java.lang.Object _resp = _call.invoke(new java.lang.Object[]
{in0});

        if (_resp instanceof java.rmi.RemoteException) {
            throw (java.rmi.RemoteException)_resp;
        }
        else {
            extractAttachments(_call);
            try {
                return (java.lang.String) _resp;
            } catch (java.lang.Exception _exception) {
                return (java.lang.String)
org.apache.axis.utils.JavaUtils.convert(_resp, java.lang.String.class);
            }
        }
    }

    public java.lang.String echoString_double(java.lang.String in0,
java.lang.String in1) throws java.rmi.RemoteException {
        if (super.cachedEndpoint == null) {
            throw new org.apache.axis.NoEndPointException();
        }
        org.apache.axis.client.Call _call = createCall();
        _call.setOperation(_operations[1]);
        _call.setUseSOAPAction(true);
        _call.setSOAPActionURI("echoString_double");
        _call.setEncodingStyle(null);
        _call.setProperty(org.apache.axis.client.Call.SEND_TYPE_ATTR,
Boolean.FALSE);
        _call.setProperty(org.apache.axis.AxisEngine.PROP_DOMULTIREFS,
Boolean.FALSE);
       
_call.setSOAPVersion(org.apache.axis.soap.SOAPConstants.SOAP11_CONSTANTS);
        _call.setOperationName(new javax.xml.namespace.QName("",
"echoString_double"));

        setRequestHeaders(_call);
        setAttachments(_call);
        java.lang.Object _resp = _call.invoke(new java.lang.Object[]
{in0, in1});

        if (_resp instanceof java.rmi.RemoteException) {
            throw (java.rmi.RemoteException)_resp;
        }
        else {
            extractAttachments(_call);
            try {
                return (java.lang.String) _resp;
            } catch (java.lang.Exception _exception) {
                return (java.lang.String)
org.apache.axis.utils.JavaUtils.convert(_resp, java.lang.String.class);
            }
        }
    }

}

//////////////////////////////////////////////////////////////////////////////

When I use tcpmoni to see the soap code, it seams to me that the client
side code
is fine and I did see string "10" and "12" passed in the envelope. But
on the server size, I couldn't see the string "12", it was null. And the
tomcat server displayed
the following errors:

java.io.NotSerializableException: ws.Echo.EchoImpl
        at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1054)

        at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java
:1332)
        at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:13
04)
        at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.jav
a:1247)
        at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1052)

        at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:278)
        at
org.apache.catalina.session.StandardSession.writeObject(StandardSessi

So I suspected that wsdl2java generates skeleton code with some error.

-Henry

P.S. Could you zip your entire code and send to me so I can make
comparison between your and mine?


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