Hi,
I think that the problem is in the class mismatch between the classes serialized
by the container and the classes expected by the client. The TopLink Essentials
as the persistence provider, modified the classes when they were loaded, to
support the fetch type LAZY (do you use it be default or explicitly on those
relationships_. The classes on the client side had not been modified, and you
get a ClassCastException on the de-serialization of the result. If you set the
relationship to null, the class information is (probably) not being serialized.
Are you using a Java EE app client as your client? If yes, the situation above
shouldn't happen, and it can be a bug. If not, does switching to an appclient
solves the problem?
thanks,
-marina
Soe Moe Kyaw @ Stephen Wang wrote:
> Hi, I think the problem is with my Collection. Please see two attached
> files.
>
> If I put like this;
>
> user._setPrincipals(null);
> user.setCredential(null);
>
> user.getRealm()._setUsers(null);
>
> I was OK. Is there something wrong?
>
> On 11/10/06, Soe Moe Kyaw @ Stephen Wang <swmk.stephen_at_gmail.com> wrote:
>
>> Hi, Marina
>> This doesn't solve the problem.
>>
>>
>> --
>> Regards;
>> Stephen Wang
>>
>> On 11/9/06, Marina Vatkina wrote:
>>
>> Hi Stephen,
>>
>> I think that the problem is in the classes on the client side that
>> were not
>> processed by the TopLink code. Can you check that marking all ToOne
>> relationships with fetch type EAGER solves the problem?
>>
>> thanks,
>> -marina
>>
>> Soe Moe Kyaw @ Stephen Wang wrote:
>> > java.lang.ClassCastException:
>> > com.rayx.presentation.security.GetUserWSResponse
>> > at
>> > com.sun.corba.ee.impl.copyobject.ORBStreamObjectCopierImpl.copy(
>> ORBStreamObjectCopierImpl.java:43)
>> > at
>> > com.sun.corba.ee.impl.copyobject.ORBStreamObjectCopierImpl.copy
>> > (ORBStreamObjectCopierImpl.java:32)
>> > at
>> > com.sun.corba.ee.impl.copyobject.FallbackObjectCopierImpl.copy(
>> FallbackObjectCopierImpl.java:39)
>> > at
>> > com.sun.corba.ee.impl.copyobject.FallbackObjectCopierImpl.copy
>> > (FallbackObjectCopierImpl.java:30)
>> > at
>> > com.sun.corba.ee.impl.javax.rmi.CORBA.Util.copyObject(Util.java:745)
>> > at
>> > com.sun.corba.ee.impl.presentation.rmi.DynamicMethodMarshall
>> erImpl.copyResult(DynamicMethodMarshallerImpl.java
>> > :414)
>> > at
>> > com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandler
>> Impl.privateInvoke(StubInvocationHandlerImpl.java:202)
>> > at
>> >
>> com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(
>> > StubInvocationHandlerImpl.java:119)
>> > at
>> > com.sun.corba.ee.impl.presentation.rmi.bcel.BCELStubBase.invoke(
>> BCELStubBase.java:197)
>> > at
>> > com.rayx.session.security.__SecurityContextRemote_Remote
>> _DynamicStub.getUserByNameAndRealm
>> > (__SecurityContextRemote_Remote_DynamicStub.java)
>> > at
>> > com.rayx.session.security._SecurityContextRemote_Wrapper
>> .getUserByNameAndRealm(com.rayx.session.security.
>> _SecurityContextRemote_Wrapper.java)
>> > at
>> > com.rayx.webservices.security.GetUserByNameAndRealmWS
>> .getUserByNameAndRealm
>> > (GetUserByNameAndRealmWS.java:72)
>> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> > at
>> >
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java
>> :39)
>> > at sun.reflect.DelegatingMethodAccessorImpl.invoke
>> > (DelegatingMethodAccessorImpl.java:25)
>> > at java.lang.reflect.Method.invoke(Method.java:585)
>> > at
>> > com.sun.enterprise.security.application.EJBSecurityManager.runMethod(
>> EJBSecurityManager.java:1050)
>> > at
>> > com.sun.enterprise.security.SecurityUtil.invoke(SecurityUtil.java:165)
>> > at
>> > com.sun.ejb.containers.BaseContainer.invokeTargetBeanMethod(
>> BaseContainer.java:2766)
>> > at com.sun.ejb.containers.BaseContainer.intercept
>> > (BaseContainer.java:3847)
>> > at
>> > com.sun.ejb.containers.WebServiceInvocationHandler.invoke
>> (WebServiceInvocationHandler.java:147)
>> > at $Proxy47.getUserByNameAndRealm(Unknown Source)
>> > at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
>> > at
>> >
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java
>> :39)
>> > at
>> > sun.reflect.DelegatingMethodAccessorImpl.invoke
>> (DelegatingMethodAccessorImpl.java:25)
>> > at java.lang.reflect.Method.invoke(Method.java:585)
>> > at com.sun.xml.ws.server.PeptTie._invoke(PeptTie.java:61)
>> > at
>> >
>> com.sun.xml.ws.protocol.soap.server.SOAPMessageDispatcher.invokeEndpoint(
>> SOAPMessageDispatcher.java
>> > :280)
>> > at
>> > com.sun.xml.ws.protocol.soap.server.SOAPMessageDispatcher
>> $SoapInvoker.invoke(SOAPMessageDispatcher.java:588)
>> > at
>> > com.sun.xml.ws.protocol.soap.server.SOAPMessageDispatcher.receive(
>> SOAPMessageDispatcher.java
>> > :147)
>> > at com.sun.xml.ws.server.Tie.handle(Tie.java:90)
>> > at
>> > com.sun.enterprise.webservice.Ejb3MessageDispatcher.handlePost(
>> Ejb3MessageDispatcher.java:160)
>> > at com.sun.enterprise.webservice.Ejb3MessageDispatcher.invoke
>> > (Ejb3MessageDispatcher.java:89)
>> > at
>> >
>> com.sun.enterprise.webservice.EjbWebServiceServlet.dispatchToEjbEndpoint(
>> EjbWebServiceServlet.java:186)
>> > at com.sun.enterprise.webservice.EjbWebServiceServlet.service
>> > (EjbWebServiceServlet.java:117)
>> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>> > at
>> > com.sun.enterprise.web.AdHocContextValve.invoke(AdHocContextValve.java
>> :101)
>> > at org.apache.catalina.core.StandardPipeline.doInvoke
>> > (StandardPipeline.java:566)
>> > at
>> > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
>> :536)
>> > at
>> com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:71)
>> > at org.apache.catalina.core.StandardHostValve.invoke
>> > (StandardHostValve.java:182)
>> > at
>> >
>> org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java
>> :566)
>> > at
>> > com.sun.enterprise.web.VirtualServerPipeline.invoke(
>> VirtualServerPipeline.java:120)
>> > at
>> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
>> > at
>> > org.apache.catalina.core.StandardEngineValve.invoke(
>> StandardEngineValve.java:137)
>> > at org.apache.catalina.core.StandardPipeline.doInvoke
>> > (StandardPipeline.java:566)
>> > at
>> > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java
>> :536)
>> > at
>> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
>> > at org.apache.coyote.tomcat5.CoyoteAdapter.service
>> > (CoyoteAdapter.java:239)
>> > at
>> > com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(
>> ProcessorTask.java:667)
>> > at
>> >
>> com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(
>> ProcessorTask.java
>> > :574)
>> > at
>> > com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(
>> ProcessorTask.java:844)
>> > at
>> > com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(
>> ReadTask.java:287)
>> > at
>> > com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java
>> :212)
>> > at
>> >
>> com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
>> > at com.sun.enterprise.web.connector.grizzly.WorkerThread.run
>> > (WorkerThread.java:75)
>> >
>> > --
>> > Regards;
>> > Stephen Wang
>> >
>> > On 11/9/06, Marina Vatkina wrote:
>> >
>> > What is the exact exception text?
>> >
>> > thanks,
>> > -marina
>> >
>> > Soe Moe Kyaw @ Stephen Wang wrote:
>> >> I do have two toplinks jar in my SDKlib but not in my domain lib.
>> >> Sure, I can give you more on what you wanna know. What shall I give?
>> >>
>> >> --
>> >> Regards;
>> >> Soe Moe Kyaw @ Stephen Wang
>> >>
>> >> On 11/8/06, Marina Vatkina wrote:
>> >>
>> >> Hi,
>> >>
>> >> Do you have toplink-essentials.jar on the web side of your
>> > app? If not,
>> >> please try to add it and check if it solves the problem. If
>> > you do,
>> >> we need
>> >> more details to be able to help.
>> >>
>> >> thanks,
>> >> -marina
>> >>
>> >> Soe Moe Kyaw @ Stephen Wang wrote:
>> >> > This happens like this;
>> >> >
>> >> > I have Entities namly User, Realm, Credential and Principal.
>> >> >
>> >> > User is associated with Realm (Many-to-One), Credential
>> >> (One-to-One),
>> >> > Principal (One-to-Many).
>> >> >
>> >> > I have a web service called getUserByNameAndRealm which takes user
>> >> name
>> >> > and realm name. That web method delegate to a method from Session
>> >> > Bean. The result is wrapped by a Class which includes User and
>> >> Status
>> >> > of the operation. It works well when the session returns the
>> > response
>> >> > which User object is null. But when the session found the User and
>> >> > returns it, the Exception occured. So I tried to set the
>> principal,
>> >> > credential and realm of User to null. It works well then. Why
>> >> does it
>> >> > happen like that and any solution to that?
>> >> >
>> >>
>> >>
>> >
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