Detailed Description
An instance of a subclass of CategoryErrorListener receives
notification of Category errors.
See Category.h for details on how CategoryErrorListener instances can be
used with a Category instance.
CategoryErrorListener instances are mostly used by the Category Service,
described in sysadmd(1M), to fulfill requests from remote clients.
They can also be used by any server-side components that need to
know about errors from a Category.
Called when an error occurs on the Category that it is
registered with.