Really, executing again withou my patch, I've seen that is not the keys, but the field 
it
self. Sorry...
The line getting in trouble is

              Object col = cds.getPersistentField().get(obj);

because there is no persistent field at all.
I'm a bit lost in too much code, techs, newbie programmers, and so on here...

I think

1) if we use getCascadeDelete != true early, we can have trouble with M:N 
relationships;
2) if we use later, we get a non existent property exception because the field just 
don't
exist in the bean.

As far as I can see, this is the way the virtual attribute affect the OJB behavior.

Thanks,

Edson Richter


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