Does this problem only occur when you set the fetch batch size? I tried recreating this problem on trunk with a simple unit test where I serialized a result that came from a cached query and I am unable to see the same behavior. If I get some time this am I'll give it a shot on 1.2.x.
Thanks, Rick On Thu, Sep 8, 2011 at 8:33 AM, M. Walter <marc.wal...@sbb.ch> wrote: > In my code I would like to set the fetch batch size in order to "speed up" > loading entities: > > final OpenJPAQuery ojpaQuery = > OpenJPAPersistence.cast(em.createNamedQuery(myNiceQuery)); > ojpaQuery.getFetchPlan().setFetchBatchSize(2000); > final List result = ojpaQuery.getResultList(); > > The result list should be sent to a RCP client. > Now I wonder why I get java.io.NotSerializableException on the client side > using this feature: > > Exception in thread "P=573122:O=0:CT" java.rmi.MarshalException: CORBA > BAD_PARAM 0x4f4d0006 Maybe; nested exception is: > java.io.NotSerializableException: > >> SERVER (id=4773e3aa, host=myhost.mycompany.com) TRACE START: > >> org.omg.CORBA.BAD_PARAM: > > org.apache.openjpa.datacache.QueryCacheStoreQuery$CachingResultObjectProvider > is not serializable vmcid: OMG minor code: 6 completed: Maybe > >> at > com.ibm.rmi.util.Utility.throwNotSerializableForCorba(Utility.java:1661) > >> at > com.ibm.rmi.io.IIOPOutputStream.writeValueType(IIOPOutputStream.java:1142) > >> at > > com.ibm.rmi.io.IIOPOutputStream.writeObjectField(IIOPOutputStream.java:1082) > >> at > > com.ibm.rmi.io.IIOPOutputStream.outputClassFields(IIOPOutputStream.java:1013) > >> at > com.ibm.rmi.io.IIOPOutputStream.outputObject(IIOPOutputStream.java:997) > >> at > > com.ibm.rmi.io.IIOPOutputStream.continueSimpleWriteObject(IIOPOutputStream.java:484) > >> at > > com.ibm.rmi.io.IIOPOutputStream.simpleWriteObjectLoop(IIOPOutputStream.java:464) > >> at > > com.ibm.rmi.io.IIOPOutputStream.simpleWriteObject(IIOPOutputStream.java:528) > >> at > com.ibm.rmi.io.ValueHandlerImpl.writeValue(ValueHandlerImpl.java:168) > >> at > com.ibm.rmi.iiop.CDRWriter.write_value(CDRWriter.java:1195) > >> at > com.ibm.rmi.iiop.CDRWriter.write_value(CDRWriter.java:1213) > >> at > com.ibm.rmi.iiop.CDRWriter.write_abstract_interface(CDRWriter.java:1118) > >> at > > com.ibm.CORBA.iiop.UtilDelegateImpl.writeAbstractObject(UtilDelegateImpl.java:483) > >> at javax.rmi.CORBA.Util.writeAbstractObject(Util.java:148) > >> at ... > >> at > > com.ibm.CORBA.iiop.ServerDelegate.dispatchInvokeHandler(ServerDelegate.java:623) > >> at > com.ibm.CORBA.iiop.ServerDelegate.dispatch(ServerDelegate.java:476) > >> at com.ibm.rmi.iiop.ORB.process(ORB.java:513) > >> at com.ibm.CORBA.iiop.ORB.process(ORB.java:1574) > >> at > com.ibm.rmi.iiop.Connection.respondTo(Connection.java:2845) > >> at com.ibm.rmi.iiop.Connection.doWork(Connection.java:2718) > >> at > com.ibm.rmi.iiop.WorkUnitImpl.doWork(WorkUnitImpl.java:63) > >> at > com.ibm.ejs.oa.pool.PooledThread.run(ThreadPool.java:118) > >> at > com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1604) > >> SERVER (id=4773e3aa, host=myhost.mycompany.com) TRACE END. > > Please can someone explain what I'm doing wrong? Thank you. > I'm using OpenJPA 1.2.3. > -- *Rick Curtis*
