I've encountered this error and I'm not sure how to work around it. The scenario
is that I have two schemas I'm trying to map and recently created a new type,
ModeledNumericQuantity, that extends an existing type NumericQuantity. The new
mapping looks as such:
mapping abstract=true
Hi Joanna,
The extends=... attribute is only needed for a mapping when you're
implementing the equivalent of schema substitution groups. It's not
intended for use where you're just doing the equivalent of schema type
extension. The tutorial at