http://static.springframework.org/spring/docs/1.2.x/api/org/springframework/orm/hibernate3/support/OpenSessionInViewFilter.html
On Mon, May 18, 2009 at 12:51 PM, Mauricio Ferreyra <maur...@gmail.com>wrote:
> 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.*
>>> *
>>
>>
>>
>
