Re: Problems deserializing EOGenericRecords via WebServices
Re: Problems deserializing EOGenericRecords via WebServices
- Subject: Re: Problems deserializing EOGenericRecords via WebServices
- From: Riccardo De Menna <email@hidden>
- Date: Tue, 18 Oct 2005 21:22:26 +0200
No luck... I did try what pointed out, but the problem does not seem
to be in the server's wsdl. I mean... if I remove the test method and
build the app, the wsdl lacks the type definition for the EO stuff...
in detail:
<schema targetNamespace="http://eocontrol.webobjects.com";
xmlns="http://www.w3.org/2001/XMLSchema";>
<import namespace="http://schemas.xmlsoap.org/soap/encoding/"/>
<complexType name="EOGenericRecord">
<complexContent>
<extension base="tns1:EOEnterpriseObject">
<sequence/>
</extension>
</complexContent>
</complexType>
</schema>
If I compile with the 'test' method this fragment finds it's way
inside the wsdl. This is also the only place where actually the
EOEnterpriseObject is referred as I had only used concrete classes
like EOGenericRecord.
I would say that the server has correctly recognized the EO classes
and has added some stuff to the wsdl. If that stuff is wrong I can't
tell :-(
Would anybody have even the shortest snippet of code in which they
pass an EO object between webservices it would help a lot. At lest I
could check what I did wrong.
Bye,
Riccardo
On 17 ott 2005, at 21:34, LD wrote:
Hi there,
On 18/10/2005, at 12:17 AM, Riccardo De Menna wrote:
I was wondering if someone could help me shed some light on a
problem that has locked me for a while. Let me first say I'm no
expert on the subject and I'm a bit lost as I can't find any
viable documentation to help me out.
I'm working on a client/server webservice app that needs to pass
back and forth various EOEnterpriseObjects. For what I've
understood, WO should be able to serialize and deserialize them
out of the box. But I keep getting an error that I don't seem to
understand. Everything else (Strings, Arrays etc) works fine...
but as soon as I simply define a method that returns a
EOEnterpriseObject descendant I get:
javax.xml.rpc.ServiceException: Error processing WSDL document:
java.io.IOException: Type EOEnterpriseObject is referenced but not
defined.
Reason: Error processing WSDL document: java.io.IOException: Type
EOEnterpriseObject is referenced but not defined.
at org.apache.axis.client.Service.initService(Service.java:278)
at org.apache.axis.client.Service.<init>(Service.java:193)
at org.apache.axis.client.ServiceFactory.createService
(ServiceFactory.java:232)
at com.webobjects.webservices.client.WOWebService.axisService
(WOWebService.java:185)
at
com.webobjects.webservices.client.WOWebService.createCallForOperation
(WOWebService.java:235)
at com.webobjects.webservices.client.WOWebServiceClient.invoke
(WOWebServiceClient.java:482)
at CalculatorClient.invoke(CalculatorClient.java:51)
at Main.calculate(Main.java:46)
As an example, my server app has a method like the following in
the WS registered class (forgive my lack of imagination :) :
public EOGenericRecord test() {
return new EOGenericRecord();
}
Random thoughts/guesses...
1) try the full package/class path: i.e.,
public com.webobjects.eocontrol.EOGenericRecord test() {...}
2) Would you have any better luck using the other constructor,
where you provide the class description. Is that what it means by
being undefined perhaps...
return new EOGenericRecord
(EOClassDescription.classDescriptionForEntityName("Author"));
3) Make sure the entity type is understood by the client app.
with regards,
--
LD
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