[nhibernate-issues] [JIRA] Commented: (NH-719) Caching of "any" reference to lazy classes

[NHibernate J. <mik...@us...>]

     [ http://jira.nhibernate.org/browse/NH-719?page=comments#action_14273 ]
     
Sergey Koshcheyev commented on NH-719:
--------------------------------------

Actually, H3.2 changed the implementation recently to avoid initializing the proxy, so I'm going to follow them.

> Caching of "any" reference to lazy classes
> ------------------------------------------
>
>          Key: NH-719
>          URL: http://jira.nhibernate.org/browse/NH-719
>      Project: NHibernate
>         Type: Bug
>   Components: Core
>     Versions: 1.0.2, 1.2.0.Alpha1
>     Reporter: Cris Constantin
>      Fix For: 1.0.3, 1.2.0.Beta1
>  Attachments: NH719.patch, NH719.zip
>
> Consider these the mappings:
> <class name="C" lazy="false">
> 		<any name="Owner" id-type="Int32" meta-type="Char">
> 			<meta-value value="b" class="A"/>
> 			<meta-value value="a" class="B"/>
> 			<column name="OwnerType"/>
> 			<column name="OwnerID"/>
> 		</any>
> 		....
> </class>
> <class name="A" lazy="true"/>
> <class name="B" lazy="true"/>
> With all classes A, B, and C being cached.
> The stack trace while trying to load an object of class C from the cache
> ERROR NHibernate.Proxy.LazyInitializer [(null)] - Exception initializing proxy [C#1]
> NHibernate.MappingException: Unknown entity class: CProxyTypeA_INHibernateProxy1
>    at NHibernate.Impl.SessionFactoryImpl.GetPersister(Type theClass)
>    at NHibernate.Impl.SessionImpl.GetClassPersister(Type theClass)
>    at NHibernate.Impl.SessionImpl.DoLoadByClass(Type clazz, Object id, Boolean checkDeleted, Boolean allowProxyCreation)
>    at NHibernate.Impl.SessionImpl.Load(Type clazz, Object id)
>    at NHibernate.Type.ObjectType.Assemble(Object cached, ISessionImplementor session, Object owner)
>    at NHibernate.Impl.CacheEntry.Assemble(Object[] values, Object result, Object id, IClassPersister persister, IInterceptor interceptor, ISessionImplementor session)
>    at NHibernate.Impl.CacheEntry.Assemble(Object instance, Object id, IClassPersister persister, IInterceptor interceptor, ISessionImplementor session)
>    at NHibernate.Impl.SessionImpl.AssembleCacheEntry(CacheEntry entry, Object id, IClassPersister persister, Object optionalObject)
>    at NHibernate.Impl.SessionImpl.DoLoad(Type theClass, Object id, Object optionalObject, LockMode lockMode, Boolean checkDeleted)
>    at NHibernate.Impl.SessionImpl.ImmediateLoad(Type clazz, Object id)
>    at NHibernate.Proxy.LazyInitializer.Initialize()
>    at NHibernate.Proxy.LazyInitializer.InitializeWrapExceptions()

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