Thank you! Now it works. By the way: It wasn't me who set the returnType to be the old Apache SOAP encoding for Vectors. The SoapBindingStub was the one automaticly created by the WSDL -> Java tool. Or is there a way I could / should have manipulated the output?
Martina > -----Urspr�ngliche Nachricht----- > Von: Glen Daniels [mailto:[EMAIL PROTECTED]] > Gesendet: Donnerstag, 21. M�rz 2002 04:33 > An: '[EMAIL PROTECTED]' > Betreff: RE: cast of returning object to vector doesn't work > > > > Hi Martina! > > Here's the deal (maybe we can save Rich some time :)). Axis > takes all Java "linear collection" classes (i.e. anything that > implements List) and serializes them as SOAP Arrays, to maximize > interoperability with other toolkits. When we receive a SOAP > Array and want to deserialize it, we do so into a Java object > array (hence the "[Ljava.lang.Object" in your error) by default, > and then have a conversion function that handles doing all kinds > of massaging to give you what you want. > > The conversion function is > org.apache.axis.utils.JavaUtils.convert(), and it takes an Object > to convert and a Class to convert to. So you could do this: > > return (java.util.Vector)JavaUtils.convert(resp, Vector.class); > > But there's an even easier way. Instead of using > setReturnType(qname), use setReturnClass(Class): > > call.setReturnClass(Vector.class) > > ...and we'll automatically do the conversion for you. > > (only read the following if you really care about some internals) > > Your example appeared confusing at first because you set the > returnType to be the old Apache SOAP encoding for Vectors, which > was different from SOAP arrays. So one might expect the > deserialization to have failed when it received the SOAP array - > but since the SOAP Array (being generated by Axis) had an > xsi:type attribute on it, that type was used in picking a > deserializer instead of the returnType you specified to the > Call.... interesting. > > --Glen > > > -----Original Message----- > > From: R J Scheuerle Jr [mailto:[EMAIL PROTECTED]] > > Sent: Wednesday, March 20, 2002 5:26 PM > > To: [EMAIL PROTECTED] > > Cc: [EMAIL PROTECTED] > > Subject: Re: cast of returning object to vector doesn't work > > > > > > I might have some time Thursday to look at this problem. > > > > Thanks, > > > > Rich Scheuerle > > XML & Web Services Development > > 512-838-5115 (IBM TL 678-5115) > > > > > > > > > > "Martina Brose" > > > > <[EMAIL PROTECTED] To: > > <[EMAIL PROTECTED]> > > -berlin.de> cc: > > > > Subject: > > cast of returning object to vector doesn't work > > 03/20/2002 11:55 AM > > > > Please respond to > > > > axis-user > > > > > > > > > > > > > > > > > > Hi, I tryed to make a web service using the wsdl2java tool > > (Axis beta1). > > First everything went fine. I was able to compile the code, > > to deploy the > > the service and to invoke the service using my client > > application. I got no > > problems sending Strings, Vectors etc. and recieving Strings > > or Booleans. > > The only problem is recieving a Vector. > > The ServiceImplementation methode that should return the vector is: > > > > public Vector getVal(String key) throws java.rmi.RemoteException, > > beepingSoap.sessionXmpl.WrongKeyException { > > if(logedUsers.containsKey(key)==true) > > { > > Vector valueList = new > > Vector(((User)logedUsers.get(key)).getList()); > > return valueList; > > } > > else > > { > > throw new WrongKeyException("Illegal Session Key"); > > } > > } > > > > The corresponding part of the SoapBindingStub is: > > > > public java.util.Vector getVal(java.lang.String in0) throws > > java.rmi.RemoteException, beepingSoap.sessionXmpl.WrongKeyException{ > > if (super.cachedEndpoint == null) { > > throw new org.apache.axis.NoEndPointException(); > > } > > org.apache.axis.client.Call call = getCall(); > > javax.xml.rpc.namespace.QName p0QName = new > > javax.xml.rpc.namespace.QName("", "in0"); > > call.addParameter(p0QName, new > > javax.xml.rpc.namespace.QName("http://schemas.xmlsoap.org/soap > > /encoding/", > > "string"), javax.xml.rpc.ParameterMode.PARAM_MODE_IN); > > call.setReturnType(new > > javax.xml.rpc.namespace.QName("http://xml.apache.org/xml-soap"; > > , "Vector")); > > call.setUseSOAPAction(true); > > call.setSOAPActionURI(""); > > call.setOperationStyle("rpc"); > > call.setOperationName(new > > javax.xml.rpc.namespace.QName("urn:sessionXmpl", "getVal")); > > > > Object resp = call.invoke(new Object[] {in0}); > > > > if (resp instanceof java.rmi.RemoteException) { > > throw (java.rmi.RemoteException)resp; > > } > > else { > > return (java.util.Vector) resp; // This is line 180 !!! > > } > > } > > > > But when I try to invoke the getVal Methode by: > > ServiceAppService service = new ServiceAppServiceLocator(); > > ServiceApp port = service.getServiceApp(); > > Vector valueList = new Vector(port.getVal(key)); > > I get the following error message: > > > > java.lang.ClassCastException: [Ljava.lang.Object; > > at > > beepingSoap.sessionXmpl.ServiceAppSoapBindingStub.getVal(ServiceAppSo > > apBindingStub.java:180) > > at > > beepingSoap.sessionXmpl.ValueGet.communicate(ValueGet.java:43) > > at > > beepingSoap.sessionXmpl.ProcederGUI.getVals(ProcederGUI.java:175) > > at > > beepingSoap.sessionXmpl.ProcederGUI.actionPerformed(ProcederGUI.java: > > 143) > > at java.awt.Button.processActionEvent(Button.java:329) > > at java.awt.Button.processEvent(Button.java:302) > > at java.awt.Component.dispatchEventImpl(Component.java:2595) > > at java.awt.Component.dispatchEvent(Component.java:2499) > > at java.awt.EventQueue.dispatchEvent(EventQueue.java:319) > > at > > java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:10 > > 3) > > at > > java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) > > at > > java.awt.EventDispatchThread.run(EventDispatchThread.java:84) > > > > So why can't the object returned to the stub be casted to a > > vector? I even > > tryed to cast it to a String, in case the returned object was a fault > > message, but I got the same exception. > > Can you help me? > > > > Martina > > > > > > > >
