I have just upgraded a project from FNH/NH version 1.2.0.694/3.0.0.4000 to
1.4.0.0/3.3.1.4000, and tests that were working fine with the old version
now break.
The error is:
SetUp : NHibernate.NonUniqueObjectException : a different object with the
same identifier value was already associated with the session: 0, of
entity:
My mappings are setup by convention:
public void Apply(FluentNHibernate.Conventions.Instances.IIdentityInstance
instance)
{
instance.Column(instance.EntityType.Name + "Id");
instance.GeneratedBy.Identity();
}
The tests are failing when it saves a couple of domain objects on the second
save, so I guess that it is not generating an identity column as per the
convention. Debugging shows the id being changed to 0 on save of the first item.
Has there been a change between the 2 versions that would explain this, and any
ideas on what I should do to fix?
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