Hi!
Try removing your unnecessary "throws Exception" clause.
**
Martin
2010/10/12 paul nibin <nibin....@gmail.com>:
> Hi all,
>
> I am trying to invoke a simple web service.
>
> public class SimpleTestVoid
> {
> public void printMessage() throws Exception
> {
> System.out.println( "Hello world" );
> }
> }
>
>
> The WSDL is generated fine. Generated the client. But when invoking the
> service, I am getting an exception.
>
> java.lang.UnsupportedOperationException: An access occurred that is not
> valid.
> at
> org.apache.axis2.description.InOnlyAxisOperation.getMessage(InOnlyAxisOperation.java:117)
> at
> org.apache.axis2.util.MessageContextBuilder.createOutMessageContext(MessageContextBuilder.java:183)
> at
> org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:37)
> at
> org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:114)
> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:173)
> at
> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:167)
> at
> org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:142)
>
> I debugged some part of the code.
>
> When the service is deployed, according to the signature of the method, it
> is creating a InOnlyAxisOperation with "robust-in-only" as the message
> exchange pattern( it is not taking any input params and throwing an
> exception).
>
>
> org.apache.axis2.deployment.util.UtilsgetAxisOperationForJmethod()
>
> if ("void".equals(method.getReturnType().getName())) {
> if (method.getExceptionTypes().length > 0) {
> operation = AxisOperationFactory
>
> .getAxisOperation(WSDLConstants.MEP_CONSTANT_ROBUST_IN_ONLY);
> } else {
> operation = AxisOperationFactory
>
> .getAxisOperation(WSDLConstants.MEP_CONSTANT_IN_ONLY);
> }
>
> If MEP_CONSTANT_IN_ONLY message exchange pattern is used, then all works
> fine. But if there a method which does not take any input parameters and
> throws some exception, then this issue comes.
>
> org.apache.axis2.description.AxisOperationFactory.getAxisOperation(int
> mepURI)
>
> case WSDLConstants.MEP_CONSTANT_ROBUST_IN_ONLY : {
> abOpdesc = new InOnlyAxisOperation();
>
> abOpdesc.setMessageExchangePattern(WSDL2Constants.MEP_URI_ROBUST_IN_ONLY);
> break;
>
> So when the invoking the method using a client, in
> org.apache.axis2.util.MessageContextBuilder.createOutMessageContext(MessageContext
> inMessageContext)
>
> if (ao != null){
>
> newmsgCtx.setAxisMessage(ao.getMessage(WSDLConstants.MESSAGE_LABEL_OUT_VALUE));
> }
>
> Since a0 is a org.apache.axis2.description.InOnlyAxisOperation, the
> following getMessage is invoked, so it is throwing this
> UnsupportedOperationException.
>
> public AxisMessage getMessage(String label) {
> if (WSDLConstants.MESSAGE_LABEL_IN_VALUE.equals(label)) {
> return (AxisMessage) getChild("inMessage");
> } else {
> throw new
> UnsupportedOperationException(Messages.getMessage("invalidacess"));
> }
> }
>
> If any more info is required please let me know. Hoping for a response..
>
> Please.. I need help with this one...
>
> Thanks,
> Paul
>
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