I have a structure like this:

@Entity
  | public class User {
  |     Person person;
  |     //...
  | }
  | 
  | @Entity
  | @Inheritance(strategy = InheritanceType.JOINED)
  | public abstract class Person {...}
  | 
  | @Entity
  | public class Student extends Person {
  |     SomeType someStudentProperty;
  |     //...
  | }
  | 
  | @Entity
  | public class Teacher extends Person {...}

I want to query the users with testing the someStudentProperty in the where 
clause, but it doesn't work...
"from User u where u.person.someStudentProperty = whatsoever..."

("from User u where u.person.somePersonProperty = whatsoever..." works 
correctly)

Is it a bug, I miss something, or it is not a supported feature?

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http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3930275#3930275

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