throws InvalidEventTypeException
throws JdwpException
  public void requestEvent (EventRequest request)    throws InvalidEventTypeException  {    // Add request to request list    Hashtable requests;    Byte kind = new Byte (request.getEventKind ());    requests = (Hashtable) _requests.get (kind);    if (requests == null)      {	// Did not get a valid event type	throw new InvalidEventTypeException (request.getEventKind ());      }    // Register the event with the VM    VMVirtualMachine.registerEvent (request);    requests.put (new Integer (request.getId ()), request);  }