[jboss-jira] [JBoss JIRA] Commented: (EJBTHREE-340) LazyInitializationException inside JTA transaction

[Emmanuel Bernard (JIRA)]

    [ http://jira.jboss.com/jira/browse/EJBTHREE-340?page=comments#action_12353030 ] 
            
Emmanuel Bernard commented on EJBTHREE-340:
-------------------------------------------

local or remote bean?

> LazyInitializationException inside JTA transaction
> --------------------------------------------------
>
>                 Key: EJBTHREE-340
>                 URL: http://jira.jboss.com/jira/browse/EJBTHREE-340
>             Project: EJB 3.0
>          Issue Type: Bug
>    Affects Versions: EJB 3.0 RC3
>         Environment: JBoss 4.0.3 SP 1 +  EJB 3.0 RC3
>            Reporter: Leandro Sinhorini Alves
>
> I'm not sure if it's a bug, but I looked for a answer at  the specfication and at JBoss EJB3 forum.
> In a JSF managed bean, my application begin a JTA transaction and invoke a stateless session façade that return a entity bean. The entity bean has a lazy collection that throws org.hibernate.LazyInitializationException when I try to get it at managed bean method.
> Follow the managed bean method:
> public String consultar() throws Exception {
>         ServiceLocator locator = ServiceLocator.getInstance();
>         UserTransaction tx = (UserTransaction) locator.lookup( "java:comp/UserTransaction" );
>         tx.begin();
>         try {
>             AplicacaoFacade facade = locator.lookupEJB( AplicacaoFacade.class );
>             // Get informations for page
>             vo = (UsuarioVO) paginaRegistros.getRowData();
>             Usuario usuario = facade.getUsuarioPorId( vo.getId() );
>             // Build organizations collection
>             List<Long> organizacoesId = new ArrayList<Long>();
>             // THROWS LAZY EXCEPTION !!!!!!
>             for ( Organizacao organizacao : usuario.getOrganizacoes() ) {
>             	organizacoesId.add( organizacao.getId() );
>             }
>             tx.commit();
>         }
>         catch ( Exception e ) {
>             tx.rollback();
>         }
>         return Constantes.OUTCOME_SUCESSO;
>     }	
> The session façade uses dependency injection to get entity manager:
> Code:
> @Stateless
> public class AplicacaoFacadeBean implements AplicacaoFacade {
>     @PersistenceContext EntityManager entityManager;
>     public Usuario getUsuarioPorId( Long usuarioId ) {
>         return entityManager.find( Usuario.class, usuarioId );
>     }	
> }

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