De-Serialization problem in EJB remote client and server using JPA

When I try to retrieve an object passed as a list or so from session bean to a client side application say action class in struts 2 concept, De-Serialization problem occurred. I googled a lot, but no one has came with tangible solution.

Here below the full stack trace of the glass fish server.

WARNING: IOP00810011: Exception from readValue on ValueHandler in CDRInputStream
org.omg.CORBA.MARSHAL: WARNING: IOP00810011: Exception from readValue on ValueHandler in CDRInputStream  vmcid: OMG  minor code: 11 completed: Maybe
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
 at com.sun.corba.ee.spi.orbutil.logex.corba.CorbaExtension.makeException(CorbaExtension.java:248)
 ......
 at org.mk.rc.intf.__PublicationBeanRemote_Remote_DynamicStub.searchPublication(org/mk/rc/intf/__PublicationBeanRemote_Remote_DynamicStub.java)
 at org.mk.rc.intf._PublicationBeanRemote_Wrapper.searchPublication(org/mk/rc/intf/_PublicationBeanRemote_Wrapper.java)
 at org.mk.rc.actions.PublicatonAction.searchPublication(PublicatonAction.java:43)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
......
 at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
 at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
 ......
atThreadPool$Worker.run(AbstractThreadPool.java:513)
 at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.NullPointerException
 at com.sun.corba.ee.impl.orbutil.ClassInfoCache$ClassInfo.(ClassInfoCache.java:156)
.....
 at com.sun.corba.ee.impl.io.ValueHandlerImpl.readValue(ValueHandlerImpl.java:274)
 at com.sun.corba.ee.impl.encoding.CDRInputStream_1_0.readRMIIIOPValueType(CDRInputStream_1_0.java:1015)
 ... 96 more

I don't solved it yet. I hope soon :)