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lenzmann
 Post subject: EntityNotFoundException from find() on base-class entity
PostPosted: Thu Nov 23, 2006 12:02 pm 
Newbie

Joined: Thu Jul 21, 2005 5:30 am
Posts: 5
We have a model using table-per-class inheritance and have a few abstract base class entities. When calling EntityManager.find() on a non-existent id for one of the concrete entity classes, the call returns null. When calling find() on a non-existent id on an abstract base class, an EntityNotFoundException is thrown. Is this intended behavior, are we missing a point in how to use find()?

Using Hibernate 3.2.1 GA, JBoss 4.0.5 GA


TIA,

Olaf
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emmanuel
 Post subject:
PostPosted: Thu Nov 23, 2006 1:45 pm 
Hibernate Team
Hibernate Team

Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
can you provide the stack track please?

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lenzmann
 Post subject:
PostPosted: Fri Nov 24, 2006 3:33 am 
Newbie

Joined: Thu Jul 21, 2005 5:30 am
Posts: 5
Here it is; let me know if you need more info.


Code:
javax.persistence.EntityNotFoundException: Unable to find com.pvs.pmm.pmmcore.entities.market.Market with id 100000000001074
        at org.hibernate.ejb.Ejb3Configuration$Ejb3EntityNotFoundDelegate.handleEntityNotFound(Ejb3Configuration.java:107)
        at org.hibernate.event.def.DefaultLoadEventListener.returnNarrowedProxy(DefaultLoadEventListener.java:223)
        at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:187)
        at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:103)
        at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:878)
        at org.hibernate.impl.SessionImpl.get(SessionImpl.java:815)
        at org.hibernate.impl.SessionImpl.get(SessionImpl.java:808)
        at org.hibernate.ejb.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:174)
        at org.jboss.ejb3.entity.TransactionScopedEntityManager.find(TransactionScopedEntityManager.java:164)
        at com.pvs.pmm.common.services.BasePersistingServiceImpl.find(BasePersistingServiceImpl.java:75)
        at com.pvs.pmm.pmmcore.services.metrics.MetricLifecycleServiceImpl.processChangedBenchmarks(MetricLifecycleServiceImpl.java:241)
        at jrockit.reflect.VirtualNativeMethodInvoker.invoke(Ljava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Unknown Source)
        at java.lang.reflect.Method.invoke(Ljava.lang.Object;[Ljava.lang.Object;I)Ljava.lang.Object;(Unknown Source)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
        at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
        at com.pvs.pmm.common.interceptors.PropagateSessionContextInterceptor.myInterceptor(PropagateSessionContextInterceptor.java:46)
        at jrockit.reflect.VirtualNativeMethodInvoker.invoke(Ljava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Unknown Source)
        at java.lang.reflect.Method.invoke(Ljava.lang.Object;[Ljava.lang.Object;I)Ljava.lang.Object;(Unknown Source)
        at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
        at com.pvs.pmm.common.interceptors.ExceptionMappingInterceptor.myInterceptor(ExceptionMappingInterceptor.java:54)
        at jrockit.reflect.VirtualNativeMethodInvoker.invoke(Ljava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Unknown Source)
        at java.lang.reflect.Method.invoke(Ljava.lang.Object;[Ljava.lang.Object;I)Ljava.lang.Object;(Unknown Source)
        at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
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emmanuel
 Post subject:
PostPosted: Mon Dec 04, 2006 4:35 pm 
Hibernate Team
Hibernate Team

Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
a proxy of the same id is already present in your PC

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Emmanuel

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Smix007
 Post subject:
PostPosted: Thu Dec 21, 2006 7:42 pm 
Newbie

Joined: Mon Dec 11, 2006 10:27 am
Posts: 2
hello,
I have practically the same problem:
http://saloon.javaranch.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic&f=11&t=012860
how you solved please?
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