org.xml.sax.SAXException: Deserializing parameter

Hi,

I have a trouble in my testing program. I create a web
service (Hello) with
Eclipse WTP3.3. Its wsdl is the attachment-Hello.wsdl.(
http:
//www.nabble.com/file/p12492378/Hello.wsdl Hello.wsdl )
The "Hello" web service has two methods, one is
"sayHello" with a parameter
"name", the other is "sayHi" WITHOUT any
parameter. They both will return a
result in String type.
Then I create a program WSIFInvoke.java(

http://www.nabble.com/file/p12492378/WSIFInvoke.java
WSIFInvoke.java ) with
WSIF2.0 api.
When invoking the sayHello method with a parameter, it is
fine. But it
doesnt work when invoking the sayHi without a parameter. And
the error is
below.
============================================================
=================
- WSIF0007I: 將 WSIFProvider
'org.apache.wsif.providers.soap.apacheaxis.WSIFDynamicProvid
er_ApacheAxis'
用於 namespaceURI 'http://schemas.
xmlsoap.org/wsdl/soap/
- Exception:
org.xml.sax.SAXException: Deserializing parameter
'sayHiResponse':  could
not find deserializer for type {http://wsDemo}sayHiResponse
	at
org.apache.axis.message.RPCHandler.onStartChild(RPCHandler.j
ava:276)
	at
org.apache.axis.encoding.DeserializationContextImpl.startEle
ment(DeserializationContextImpl.java:893)
	at
org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRe
corder.java:200)
	at
org.apache.axis.message.MessageElement.publishToHandler(Mess
ageElement.java:684)
	at
org.apache.axis.message.RPCElement.deserialize(RPCElement.ja
va:241)
	at
org.apache.axis.message.RPCElement.getParams(RPCElement.java
:265)
	at org.apache.axis.client.Call.invoke(Call.java:1871)
	at org.apache.axis.client.Call.invoke(Call.java:1777)
	at org.apache.axis.client.Call.invoke(Call.java:1315)
	at
org.apache.wsif.providers.soap.apacheaxis.WSIFOperation_Apac
heAxis.invokeAXISDocStyle(Unknown
Source)
	at
org.apache.wsif.providers.soap.apacheaxis.WSIFOperation_Apac
heAxis.invokeRequestResponseOperation(Unknown
Source)
	at
org.apache.wsif.providers.soap.apacheaxis.WSIFOperation_Apac
heAxis.executeRequestResponseOperation(Unknown
Source)
	at wsif.WSIFInvoke.run(WSIFInvoke.java:59)
	at wsif.WSIFInvoke.main(WSIFInvoke.java:29)
org.apache.wsif.WSIFException: exception on AXIS invoke: ;
nested exception
is: 
	org.xml.sax.SAXException: Deserializing parameter
'sayHiResponse':  could
not find deserializer for type {http://wsDemo}sayHiResponse;
nested
exception is: 
	org.xml.sax.SAXException: Deserializing parameter
'sayHiResponse':  could
not find deserializer for type {http://wsDemo}sayHiResponse
	at
org.apache.wsif.providers.soap.apacheaxis.WSIFOperation_Apac
heAxis.invokeAXISDocStyle(Unknown
Source)
	at
org.apache.wsif.providers.soap.apacheaxis.WSIFOperation_Apac
heAxis.invokeRequestResponseOperation(Unknown
Source)
	at
org.apache.wsif.providers.soap.apacheaxis.WSIFOperation_Apac
heAxis.executeRequestResponseOperation(Unknown
Source)
	at wsif.WSIFInvoke.run(WSIFInvoke.java:59)
	at wsif.WSIFInvoke.main(WSIFInvoke.java:29)
Caused by: org.xml.sax.SAXException: Deserializing
parameter
'sayHiResponse':  could not find deserializer for type
{http://wsDemo}sayHiResponse
	at org.apache.axis.AxisFault.makeFault(AxisFault.java:120)
	at org.apache.axis.client.Call.invoke(Call.java:1874)
	at org.apache.axis.client.Call.invoke(Call.java:1777)
	at org.apache.axis.client.Call.invoke(Call.java:1315)
	... 5 more
Caused by: org.xml.sax.SAXException: Deserializing
parameter
'sayHiResponse':  could not find deserializer for type
{http://wsDemo}sayHiResponse
	at
org.apache.axis.message.RPCHandler.onStartChild(RPCHandler.j
ava:276)
	at
org.apache.axis.encoding.DeserializationContextImpl.startEle
ment(DeserializationContextImpl.java:893)
	at
org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRe
corder.java:200)
	at
org.apache.axis.message.MessageElement.publishToHandler(Mess
ageElement.java:684)
	at
org.apache.axis.message.RPCElement.deserialize(RPCElement.ja
va:241)
	at
org.apache.axis.message.RPCElement.getParams(RPCElement.java
:265)
	at org.apache.axis.client.Call.invoke(Call.java:1871)
	... 7 more
============================================================
==================

Can anyone help me or give me some advice/suggestion to
solve it. I have
stuck here over a week. Thank you very much for any help
first.



Thank you,
Wilson





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