Your Page (HomePage) contains a reference to your SpeedService EJB. Since that one is not serializable, your page cannot be serialized. A possible solution is to inject your ejb (by using for example @SpringBean). This makes serializable proxies, so your page can be serialized...
2009/11/9 zabian <[email protected]> > Hi there, > I am working on the project using Wicket and EJB3.0 on Glassfish AS. > I've got such case: > There is a page with some test, using Sateful bean. When you press a start > button, the model using the bean is created, bean is beeing looked up on > each start button pressed. When I change the page and then use back button > and press start button again i get such exception: > > > [#|2009-11-09 13:10:01,395 ERROR none:none[-1.0] httpSSLWorkerThread-8080-1 > (org.apache.wicket.util.lang.Objects:1134): Error serializing object class > com.aster.prov.speed.web.HomePage [object=[Page class = > com.aster.prov.speed.web.HomePage, id = 3, version = 0, ajax = 4]]|#] > > org.omg.CORBA.BAD_OPERATION: The delegate has not been set! vmcid: 0x0 > minor code: 0 completed: No > at org.omg.CORBA.portable.ObjectImpl._get_delegate(ObjectImpl.java:53) > at > com.sun.corba.ee.spi.presentation.rmi.StubAdapter.getDelegate(StubAdapter.java:174) > at > com.sun.corba.ee.impl.presentation.rmi.bcel.BCELStubBase.selfAsBaseClass(BCELStubBase.java:214) > at > com.aster.prov.speed.ejb.__SpeedServiceRemote_Remote_DynamicStub.writeReplace(com/aster/prov/speed/ejb/__SpeedServiceRemote_Remote_DynamicStub.java) > at sun.reflect.GeneratedMethodAccessor548.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > java.io.ObjectStreamClass.invokeWriteReplace(ObjectStreamClass.java:1032) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1107) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326) > at > com.sun.ejb.containers.RemoteBusinessWrapperBase.writeObject(RemoteBusinessWrapperBase.java:106) > at sun.reflect.GeneratedMethodAccessor431.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1461) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at > java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1509) > at > java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1474) > at > java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1392) > at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1150) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326) > at > org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:121) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:322) > at > org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1120) > at > org.apache.wicket.protocol.http.pagestore.AbstractPageStore.serializePage(AbstractPageStore.java:203) > at > org.apache.wicket.protocol.http.pagestore.DiskPageStore.storePage(DiskPageStore.java:840) > at > org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCachePageMap.put(SecondLevelCacheSessionStore.java:332) > at org.apache.wicket.Session.requestDetached(Session.java:1404) > at org.apache.wicket.RequestCycle.detach(RequestCycle.java:1176) > at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1454) > at org.apache.wicket.RequestCycle.request(RequestCycle.java:545) > at > org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:468) > at > org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:301) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:313) > at > org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:287) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:218) > at > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648) > at > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593) > at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94) > at > com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:222) > at > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648) > at > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587) > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1096) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:166) > at > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:648) > at > org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:593) > at > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:587) > at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1096) > at > org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:288) > at > com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:647) > at > com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:579) > at > com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:831) > at > com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341) > at > com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263) > at > com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214) > at > com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265) > at > com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106) > > The test is going correctly just this stacktrace is beeing printed every > sample is refreshed. > Has anyone had similar case, or idea what is going wrong? > > Appreciate any help. > Regards, > Wojtek > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > -- Pieter Degraeuwe Systemworks bvba Belgiëlaan 61 9070 Destelbergen GSM: +32 (0)485/68.60.85 Email: [email protected] visit us at http://www.systemworks.be
