[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2373) Merging a persistent object leads to cascading failure in collections

[Emmanuel Bernard (JIRA)]

Merging a persistent object leads to cascading failure in collections
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         Key: HHH-2373
         URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2373
     Project: Hibernate3
        Type: Bug

  Components: core  
    Versions: 3.2.1    
    Reporter: Emmanuel Bernard


class Empire {
   ...
   @OneToMany(cascade.ALL)
   public Set<Colony> colonies;
}


Then 

roman = (Empire) em.get( Empire.class, roman.getId() );
Colony gaule = new Colony();
roman.getColonies().add(gaule);
em.merge( roman ); //If commented, will work
em.flush();
em.clear();
roman =(Empire) em.get(Empire.class, roman.getId() );
assertEquals( 1, roman.getColonies().size() );


I believe the issue is about having a persistent copy of gaule (according to the merge API), not part of roman.getColonies() (colonies containing the transient gaule object)

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