I have the same problem.
Were you able to solve it?
Vaishakhi
----- Original Message -----
From: "Younsoo" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, May 02, 2002 9:08 PM
Subject: A problem in Axis Beta2 when the EJB is called
> I implemented a webservice with EJB in the Axis beta1. There is a
problem in Axis beta2.
> When the EJB webservice is called, the axis returns a error message. My
EJB webservice
> has 4 operations ( deposit, withdraw, getBalance, and
getFormattedBalance )
> Here is the error message :
>
> AXIS error
> Sorry, something seems to have gone wrong... here are the details:
> No such operation 'getBalance'
>
>
>
> I read the Axis beta2 source code and found the reason why the error
occurred. The error position
> is RPCProvider.java , "processMessage" method.
>
> . . . . .
> . . . . .
> . . . . .
> // This may have changed, so get it again...
> // FIXME (there should be a cleaner way to do this)
> operation = msgContext.getOperation();
>
> if (operation == null) {
> QName qname = new QName(body.getNamespaceURI(),
> body.getName());
> operation = serviceDesc.getOperationByElementQName(qname);
> }
>
> if (operation == null) {
> throw new AxisFault(JavaUtils.getMessage("noSuchOperation",
> methodName)); <<<== Error
occurs in this place.
> }
>
> // Create the array we'll use to hold the actual parameter
> // values. We know how big to make it from the metadata.
> Object[] argValues = new Object [operation.getNumParams()];
> . . . . .
> . . . . .
> . . . . .
>
> I think that "server-config.wsdd" file is parsed in WSDDDeployment's
constructor, and <service> element's
> contents are parsed into WSDDService class.
>
> public WSDDDeployment(Element e)
> throws WSDDException
> {
> super(e);
>
> Element [] elements = getChildElements(e, "handler");
> int i;
> . . . . .
> . . . . .
> . . . . .
> elements = getChildElements(e, "service");
> for (i = 0; i < elements.length; i++) {
> WSDDService service = new WSDDService(elements[i]);
> deployService(service);
> }
> . . . . .
> . . . . .
> . . . . .
> }
>
> When WSDDService instance created, WSDDService constructor parses
<service> element and calls validateDescriptors () method. A <service>
element's subelement, <parameter name="className" value="xxx"/>'s value,
java class is loaded.
>
> public void validateDescriptors()
> {
> String className = this.getParameter("className");
> if (className != null) {
> try {
> // Will this always be the right classloader?
> ClassLoader cl =
Thread.currentThread().getContextClassLoader();
> Class cls = cl.loadClass(className); <<== <parameter
name="className" value="xxx">'s xxx class is loaded.
> desc.setImplClass(cls);
> initTMR();
> String encStyle = (desc.getStyle() == ServiceDesc.STYLE_RPC) ?
> Constants.URI_CURRENT_SOAP_ENC : "";
>
desc.setTypeMapping((TypeMapping)tmr.getTypeMapping(encStyle));
> } catch (Exception ex) {
> }
> }
> . . . . .
> . . . . .
> . . . . .
> }
>
> As you can see above source, the loaded class, cls is set into
ServiceDesc.( desc.setImplClass(cls); ) In setImplClass ()
> method operations(xxx class's methods) are instantiated into OperationDesc
class.
>
> public void setImplClass(Class implClass) {
> if (this.implClass != null)
> throw new IllegalArgumentException(
> JavaUtils.getMessage("implAlreadySet"));
>
> this.implClass = implClass;
> if (Skeleton.class.isAssignableFrom(implClass)) {
> isSkeletonClass = true;
> loadSkeletonOperations(); <<== OperationDesc instances are set.
> }
> }
>
> Here is my "server-config.wsdd" file's part . There is no <parameter
name="className"> subelement in EJB <service>.
> Therefore OperationDesc instances couldn't be created.
> msgContext.getOperation() and
serviceDesc.getOperationByElementQName(qname) in RPCProvider.java ,
> "processMessage" method couldn't retrieve OperationDesc instance.
> So AxisFault(JavaUtils.getMessage("noSuchOperation", methodName)) is
thrown.
>
> <!-- As you can see, this is a webservice using general java class -->
> <service name="Add" provider="java:RPC">
> <parameter name="allowedMethods" value="*"/>
> <parameter name="scope" value="Request"/>
> <parameter name="className" value="samples.TestWS.WebServiceTest"/>
> </service>
> <!-- a webservice using EJB -->
> <service name="MyAccount" provider="java:EJB">
> <parameter name="allowedMethods" value="*"/>
> <parameter name="jndiURL" value="localhost"/>
> <parameter name="scope" value="request"/>
> <parameter name="beanJndiName" value="TestAccount"/>
> <parameter name="homeInterfaceName"
value="testaccount.TestAccountHome"/>
> </service>
>
> How can I make a webservice using EJB?
