You are the man !! Matt! You are the man!!! Thank you very much!!
But, What exactly thing do it? On Mon, May 18, 2009 at 3:36 PM, Matt Raible <m...@raibledesigns.com> wrote: > Have you tried uncommenting the LazyLoading filter in web.xml? > > > On Mon, May 18, 2009 at 12:20 PM, Mauricio Ferreyra <maur...@gmail.com>wrote: > >> Hi all, >> >> I've a problem when I'm mapping a List in a Object, Here's my mapping >> >> @Entity >> @Table(name = "articulos") >> public class Articulo implements Serializable { >> @Id >> @GeneratedValue(strategy = GenerationType.SEQUENCE) >> @Column(name = "art_id") >> private Long id; >> >> @org.hibernate.annotations.CollectionOfElements(targetElement = >> FotoArticuloWeb.class,*fetch=**FetchType.EAGER)* >> @JoinColumn(name = "art_id") >> private List<Foto> fotos; >> >> /* Setters and Getters */ >> >> } >> >> @Entity >> @Table(name = "fotos") >> public class FotoArticuloWeb implements Serializable { >> >> @Id >> @GeneratedValue(strategy = GenerationType.AUTO) >> @Column(name = "fot_id") >> private String fawCodigo; >> >> /* Setters and Getters */ >> >> } >> >> >> I think the problem is *FetchType.EAGER *but when I put *FetchType.LAZY >> *and I want to use to Collection the follow exception is throw: * >> * >> ERROR [btpool0-1] LazyInitializationException.<init>(19) | *failed to >> lazily initialize a collection of role: >> com.allegra.micrositios.model.ArticuloWeb.fotos, no session or session was >> closed* >> org.hibernate.LazyInitializationException: failed to lazily initialize a >> collection of role: com.allegra.micrositios.model.ArticuloWeb.fotos, no >> session or session was closed >> at >> org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:358) >> at >> org.hibernate.collection.AbstractPersistentCollection.throwLazyInitializationExceptionIfNotConnected(AbstractPersistentCollection.java:350) >> at >> org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:97) >> at org.hibernate.collection.PersistentBag.size(PersistentBag.java:225) >> * >> >> *Some idea?* >> >> *Thanks in advance! >> >> Mauri.* >> * > > >