public class UnknownElementException
  Comment     Returned-by     Constructor-argument     Method-argument     Field-type     Type-bound     Thrown-by     Links  

Indicates that an unknown kind of element was encountered. This can occur if the language evolves and new kinds of elements are added to the Element hierarchy. May be thrown by an element visitor to indicate that the visitor was created for a prior version of the language.

extends UnknownEntityException

See also:
ElementVisitor.visitUnknown

Since:  1.6