code: protected boolean handleMessageNoLine(LineMessage message) {
          if (LOG.isDebugEnabled())
              LOG.debug("Line {} not found.", hex(message.getLine()));
          switch (message.getType()) {
              case INV:
                  send(Message.INVACK((Message.INV) message));
                  return true;
              //case CHNGD_OWNR:
              case INVACK:
                  return true;
              case GET:
              case GETX:
              case MSG:
                  handleNotOwner(message, null);
                  return true;
              default:
                  return false;
          }
      }
docs: Called for a LineMessage when the line is not found
  
  @param message
  @return true if the message was handled - nothing else necessary. false if not, and creating the line is required