[jboss-user] [JBoss Seam] - Stateful session bean serialization error.

Hi, I have a problem that when one of my stateful session beans is passivated/loaded it throws the following error: javax.faces.el.EvaluationException: Exception while invoking expression #{loadPassage.load} | at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:153) | at org.jboss.seam.core.Pages.callAction(Pages.java:161) | at org.jboss.seam.core.Pages.callAction(Pages.java:139) | at org.jboss.seam.jsf.AbstractSeamPhaseListener.callPageActions(AbstractSeamPhaseListener.java:128) | at org.jboss.seam.jsf.AbstractSeamPhaseListener.beforeRender(AbstractSeamPhaseListener.java:98) | at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:50) | at org.apache.myfaces.lifecycle.LifecycleImpl.informPhaseListenersBefore(LifecycleImpl.java:520) | at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:342) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:107) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175) | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) | at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664) | at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) | at org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112) | at java.lang.Thread.run(Thread.java:595) | Caused by: java.lang.RuntimeException: org.jboss.serial.exception.SerializationException: Could not create instance of org.apache.myfaces.context.servlet.ServletFacesContextImpl - org.apache.myfaces.context.servlet.ServletFacesContextImpl | at org.jboss.ejb3.stateful.StatefulBeanContext.extractBeanAndInterceptors(StatefulBeanContext.java:365) | at org.jboss.ejb3.stateful.StatefulBeanContext.getInstance(StatefulBeanContext.java:309) | at org.jboss.ejb3.stateful.StatefulInstanceInterceptor.invoke(StatefulInstanceInterceptor.java:75) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:78) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101) | at org.jboss.ejb3.stateful.StatefulContainer.localInvoke(StatefulContainer.java:188) | at org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:98) | at $Proxy358.load(Unknown Source) | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:585) | at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:129) | ... 27 more | Caused by: org.jboss.serial.exception.SerializationException: Could not create instance of org.apache.myfaces.context.servlet.ServletFacesContextImpl - org.apache.myfaces.context.servlet.ServletFacesContextImpl | at org.jboss.serial.classmetamodel.ClassMetaData.newInstance(ClassMetaData.java:327) | at org.jboss.serial.persister.RegularObjectPersister.readData(RegularObjectPersister.java:239) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:411) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:81) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectInput.readObject(DataContainer.java:639) | at org.jboss.serial.persister.RegularObjectPersister.readSlotWithFields(RegularObjectPersister.java:353) | at org.jboss.serial.persister.RegularObjectPersister.defaultRead(RegularObjectPersister.java:273) | at org.jboss.serial.persister.RegularObjectPersister.readData(RegularObjectPersister.java:241) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:411) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:81) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectInput.readObject(DataContainer.java:639) | at org.jboss.serial.persister.ArrayPersister.readObjectArray(ArrayPersister.java:196) | at org.jboss.serial.persister.ArrayPersister.readData(ArrayPersister.java:172) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.readObjectDescriptionFromStreaming(ObjectDescriptorFactory.java:411) | at org.jboss.serial.objectmetamodel.ObjectDescriptorFactory.objectFromDescription(ObjectDescriptorFactory.java:81) | at org.jboss.serial.objectmetamodel.DataContainer$DataContainerDirectInput.readObject(DataContainer.java:639) | at org.jboss.serial.io.JBossObjectInputStream.readObjectOverride(JBossObjectInputStream.java:165) | at java.io.ObjectInputStream.readObject(ObjectInputStream.java:333) | at org.jboss.serial.io.MarshalledObject.get(MarshalledObject.java:68) | at org.jboss.ejb3.stateful.StatefulBeanContext.extractBeanAndInterceptors(StatefulBeanContext.java:342) | ... 44 more | Caused by: java.lang.InstantiationException: org.apache.myfaces.context.servlet.ServletFacesContextImpl | at java.lang.Class.newInstance0(Class.java:335) | at java.lang.Class.newInstance(Class.java:303) | at org.jboss.serial.classmetamodel.ClassMetaData.newInstance(ClassMetaData.java:319) Is there any way round this problem the stateful session bean code is as follows: @Stateful | @SerializedConcurrentAccess | @Scope(SESSION) | @Name("loadPassage") | @Conversational(ifNotBegunOutcome = "main") | public class LoadPassageAction extends BaseHttpAction implements LoadPassage { | private static final String GET_STATISTICS = "getStatistics"; | | private static final String EMPTY_PAGE = "empty"; | | private static final Log logger = LogFactory | .getLog(LoadPassageAction.class); | | @In(value = "#{current_queue}", scope = ScopeType.SESSION) | private String queueKey; | | private transient PassageQueue passageQueue = null; | | @In | private FacesContext facesContext; | | @In | private Context sessionContext; | | @RequestParameter | private String page; | | @RequestParameter | private String action; | | /** | * Contains list of passage contexts. | */ | private final Map<Integer, LoadPassageContext> loadPassageContexts = new HashMap<Integer, LoadPassageContext>(); | | // action supporting parameters | /** | * Passage id. | */ | @RequestParameter | private String id; | | /** | * Review licence plate number. | */ | @RequestParameter | private String lpn; | | /** | * Jurisdiction. | */ | @RequestParameter | private String jurisdiction; | | /** | * Vehicle class. | */ | @RequestParameter | private String vehicleClass; | | /** | * Plate Type. | */ | @RequestParameter | private String plateType; | | /** | * Passage vehicle make. | */ | @RequestParameter | private String make; | | /** | * Passage vehicle model. | */ | @RequestParameter | private String model; | | /** | * Passage vehicle model. | */ | @RequestParameter | private String colour; | | /** | * Passage reviewComment. | */ | @RequestParameter | private String comment; | The bean has a mapping in the pages.xml and used by a legacy web app which pass in parameters via a get and expects javascript back. <pages> | <page view-id="/loadUser/*" action="#{loadUser.load}" /> | <page view-id="/loadPassage/*" action="#{loadPassage.load}" /> | <page view-id="/loadStatus/*" action="#{loadStatus.load}" /> | </pages> Any ideas or is it better to use servlets for this? 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