Re: Hibernate session in RequestFactory

Try: Hibernate.initialize(hList);

On Mar 27, 11:47 am, rwiatr <rwi...@gmail.com> wrote:
> Hello,
> I have a problem with RequestFactory and Hibernate session.
> [hibernate.LazyInitializationException] - failed to lazily initialize
> a collection of role: app.server.dao.HierarchyImpl.children, no
> session or session was closed
>
>         @OneToMany(cascade = CascadeType.ALL)
>         @JoinTable(name = "HIERARCHY_RELATE", joinColumns =
> { @JoinColumn(name = "parent_id") }, inverseJoinColumns =
> { @JoinColumn(name = "child_id") })
>         public Set<HierarchyImpl> getChildren() {
>                 return children;
>         }
>
>         public static List<HierarchyImpl> rootHierarchyRequest() {
>                 int i = 0;
>                 try {
>                         SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
>                         Session session = sessionFactory.openSession();
>                         List<HierarchyImpl> hList = new ArrayList<HierarchyImpl>(session
>                                         .createQuery("from Hierarchy where parent is null").list());
>                         session.close();
>                         return hList;
>                 } catch (Exception e) {
>                         e.printStackTrace();
>                 }
>                 return null;
>         }
> Adding FetchType.EAGER helps but in long terms will not solve my
> problem.
> Is there a good way to manage Hibernate session by RequestFactory?

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