[jbossseam-issues] [JBoss JIRA] Closed: (JBSEAM-2580) JPA-Session handling and Session Beans with scope=SESSION

[Pete Muir (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBSEAM-2580?page=all ]

Pete Muir closed JBSEAM-2580.
-----------------------------

    Resolution: Rejected

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> JPA-Session handling and Session Beans with scope=SESSION
> ---------------------------------------------------------
>
>                 Key: JBSEAM-2580
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-2580
>             Project: JBoss Seam
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0.1.GA
>         Environment: MacOS X 10.5, Java 5 (Apple), Glassfish v2u1
>            Reporter: Cyrill Rￃﾼttimann
>            Priority: Blocker
>
> I have two session beans with scope=SESSION, the CustomerManager and the SportEquipmentManager. While accessing the sport equipments of a customer, I get a org.hibernate.LazyInitializationException at the method allSportEquipments():
> org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: yy.ddd.ttt.customer.domain.Customer.sportEquipments, no session or session was closed
> @In(value = SeamConstants.NAME_ENTITYMANAGER)
>     private EntityManager mEntityManager;
>     @DataModel(value = "sportequipments")
>     private Set<SportEquipment> mSportEquipments;
>     @In(value = "customerManager", create = true)
>     private CustomerManager mCustomerManager;
>     private SportEquipmentType mCurrentSportEquipmentType;
>     @Factory("sportequipments")
>     public void allSportEquipments() throws PersistencyException {
>         final Customer customer = mCustomerManager.getCustomer();
>         mSportEquipments = customer.getSportEquipments();
>     }
> The interesting thing is that this happens only, if I am accessing the SportEquipmentManager after using the CustomerManager. If I am acessing the SportEquipmentManager directly, I am not hit with the exception. Using the CustomerManger means, opening a page with access to the CustomerManager's method.

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