[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2442) ClassCastException loading from second level cache

[Marcio Moraes (JIRA)]

ClassCastException loading from second level cache
--------------------------------------------------

         Key: HHH-2442
         URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2442
     Project: Hibernate3
        Type: Bug

  Components: core  
    Versions: 3.2.1, 3.2.2, 3.2.0.ga    
 Environment: Linux 2.6.15-27-686 #1 SMP PREEMPT Fri Dec 8 18:00:07 UTC 2006 i686 GNU/Linux
    Reporter: Marcio Moraes
    Priority: Blocker


I'm getting a error when using hibernate 3.2.2.ga with cache (JBoss-Cache) cluster.

When hibernate get a entity from second level cache it confuses the arrays of values against array of types.

So in some situations i got ClassCastException ...

Looking up CacheEntry code at assemble method i saw:

    private static Object[] assemble(
            final Serializable[] values,
            final Object result,
            final Serializable id,
            final EntityPersister persister,
            final Interceptor interceptor,
            final EventSource session)
    throws HibernateException {

        //assembled state gets put in a new array (we read from cache by value!)
        Object[] assembledProps = TypeFactory.assemble(
                values,
                persister.getPropertyTypes(),
                session, result
            );

The issue is values (Serializeble[]) is in wrong order compared with persister.getPropertyTypes() (Type[]).

If only one cache instance is running it doesnt occurs ...

I am using Linux.

Att,

Márcio Moraes

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