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Restriction: When
setting up inherited CMP entity beans, children beans cannot have
CMP attributes with the same name as those defined anywhere in their
ancestry chains. For example, Parent is a CMP entity bean that contains
an attribute ID of type int. If you create a CMP bean called Child
using the wizard and specified Parent as its super type and attempted
to add an attribute ID of type int, the ID attribute would not be
added because it would inherit Parent's ID attribute. If Child2, another
unrelated CMP Bean, contained an attribute ID of type java.lang.String
and had its inheritance structure changed through the Deployment Descriptor
Editor to inherit from Parent, Child2's ID attribute of type java.lang.String
would be removed because it would inherit Parent's ID attribute and
there might be validation errors due to type conflicts.