[seam-issues] [JBoss JIRA] Resolved: (JBSEAM-4488) Datamodel: casting exception on @Destroy

Datamodel: casting exception on @Destroy ---------------------------------------- Key: JBSEAM-4488 URL: https://jira.jboss.org/jira/browse/JBSEAM-4488 Project: Seam Issue Type: Bug Affects Versions: 2.1.2.GA Environment: Windows Server 2003, Jboss AS 5.1.0.GA, PostgreSQL 8.4 Reporter: Jeff Wexler Priority: Minor Getting the following error for a datamodel when it is used to display an h:dataTable. The dataTable is displayed fine. However, in the log, I receive: 15:04:42,312 WARN [Component] Exception calling component @Destroy method: deliveryDeadlineOptionList javax.ejb.EJBException: java.lang.ClassCastException: java.util.ArrayList cannot be cast to javax.faces.model.DataModel at org.jboss.ejb3.tx.Ejb3TxPolicy.handleExceptionInOurTx(Ejb3TxPolicy.java:77) ... The bean for this is used for the following purposes: 1. Value of an s:selectItems 2. Value of an h:dataTable (i.e., as mentioned above) 3. Injected and used in another bean The bean: @Stateful @Scope(CONVERSATION) @Name("deliveryDeadlineOptionList") @TransactionAttribute(REQUIRES_NEW) public class DeliveryDeadlineOptionListAction implements DeliveryDeadlineOptionList, Serializable { @PersistenceContext(type=PersistenceContextType.EXTENDED) @In(create=true) private EntityManager entityManager; @DataModel private List<DeliveryDeadlineOption> deliveryDeadlineOptionsList; @DataModelSelection private DeliveryDeadlineOption deliveryDeadlineOption; @Create public void create() {getDeliveryDeadlineOptionsList();} @Factory public List<DeliveryDeadlineOption> getDeliveryDeadlineOptionsList(){ return (List<DeliveryDeadlineOption>) entityManager.createQuery("select c from DeliveryDeadlineOption c") .getResultList(); } public DeliveryDeadlineOption getDeliveryDeadlineOption(){return deliveryDeadlineOption;} @Destroy @Remove public void destroy() {} } Relevant portions of the bean where deliveryDeadlineOptionList is injected and used: @Stateful @Name("quoteCalculate") @Scope(ScopeType.CONVERSATION) public class QuoteCalculatingAction implements QuoteCalculating { @PersistenceContext(type=PersistenceContextType.EXTENDED) @In(create=true) private EntityManager entityManager; ... @In(value="deliveryDeadlineOptionsList", create=true) private List<DeliveryDeadlineOption> deliveryDeadlineOptions; @DataModel private List<DeliveryDeadlineOption> selectedDeliveryDeadlineOptions; ... (Standard getters and setters for above) public void selectedDeliveryDeadlineOptionsChange(ValueChangeEvent valueChangeEvent) { setSelectedDeliveryDeadlineOptions((List<DeliveryDeadlineOption>) valueChangeEvent.getNewValue()); ... } ... @Destroy @Remove public void destroy() {} }