Problems with JAX-RPC and HTTPS

[mircog]

Hi!
I've got a problems with JAX-RPC to consume services of an HTTPS URL. When I tried to consume a service, I obtain a RemoteException. The description of this exception is: unexpected type: request={http://www.w3.org/2001/XMLSchema}string ; actual={http://www.w3.org/2001/XMLSchema}anyURI.

I didn't find answer to my question on Web. Do you know why I obtained this type of error?any help or simple observations are very useful for me.
Thanks

[mircog]

Exact exception is

java.rmi.RemoteException: Runtime exception; nested exception is:
unexpected element type: expected={http://www.w3.org/2001/XMLSchema}string, actual={http://www.w3.org/2001/XMLSchema}anyURI
at com.sun.xml.rpc.client.StreamingSender._handleRuntimeExceptionInSend(StreamingSender.java:331)
at com.sun.xml.rpc.client.StreamingSender._send(StreamingSender.java:313)
at testjaxrpconline.AnagrafeFLCPort_Stub.startSession(AnagrafeFLCPort_Stub.java:174)
at testjaxrpconline.Main.main(Main.java:80)
Caused by: unexpected element type: expected={http://www.w3.org/2001/XMLSchema}string, actual={http://www.w3.org/2001/XMLSchema}anyURI
at com.sun.xml.rpc.encoding.SerializerBase.verifyType(SerializerBase.java:128)
at com.sun.xml.rpc.encoding.SimpleTypeSerializer.deserialize(SimpleTypeSerializer.java:118)
at com.sun.xml.rpc.encoding.SOAPFaultInfoSerializer.doDeserialize(SOAPFaultInfoSerializer.java:123)
at com.sun.xml.rpc.encoding.ObjectSerializerBase.deserialize(ObjectSerializerBase.java:192)
at com.sun.xml.rpc.client.StreamingSender._readBodyFaultElement(StreamingSender.java:460)
at com.sun.xml.rpc.client.StreamingSender._send(StreamingSender.java:221)
... 2 more

What's the problem?Please I need help