[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5808) ObjectNotFoundException for an audited optional association. Envers is creating a proxy even when the association is null.

[Andrei Zagorneanu (JIRA)]

ObjectNotFoundException for an audited optional association. Envers is creating a proxy even when the association is null.
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                 Key: HHH-5808
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5808
             Project: Hibernate Core
          Issue Type: Bug
          Components: envers
    Affects Versions: 3.6.0
         Environment: Hibernate 3.6.0.Final, reproducible on Oracle and H2 with both EntityManager and Session
            Reporter: Andrei Zagorneanu
         Attachments: TestCase-Optional-Unidirectional-OneToOne.zip

Hi,

I have a Contact entity which has an optional unidirectional 1:1 association with an Address entity. Now, when I'm retrieving a version of Contact which doesn't have an Address from audit tables I can see that Address is not null, instead Envers is creating a proxy for it. When I'm trying to access that Address proxy I'm getting: org.hibernate.ObjectNotFoundException: No row with the given identifier exists

This is my entity class:

@Entity
@Audited
public class Contact {
     // some fields

     private Address address;

     @OneToOne(cascade = { CascadeType.ALL }, orphanRemoval = true)
     @JoinColumns( {
            @JoinColumn(name = "ID_ADDRESS", referencedColumnName = "ID_ADDRESS"),
            @JoinColumn(name = "VER_ADDRESS", referencedColumnName = "VER_ADDRESS") })
     public Address getAddress() {
        return this.address;
    }

Now when I'm retrieving a Contact revision:

     AuditReader reader = AuditReaderFactory.get(session);
     Contact contact = reader.find(Contact.class, id, revision);
     // here address is not null
     Address address = contact.getAddress();
     // here I'm getting org.hibernate.ObjectNotFoundException
     address.getId();

The exception which I'm getting:
org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [com.acme.model.address.Address#com.acme.model.address.AddressPK at 143fd2a[
  id=<null>
  ver=<null>
]]

I have to use composite PK because Address is a legacy table.

I posted this issue on Envers forum: http://community.jboss.org/thread/159906?tstart=0

The issue is reproducible while working with EntityManager and as well with Session.

I attached a TestNG test case for this.


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