private static EventHandler<WebErrorEvent> createOnErrorHandler() {
    return new EventHandler<WebErrorEvent>() {
        @Override
        public void handle(WebErrorEvent event) {
            Log.p("WebError: " + event.toString());
        }
    };
}
 

protected void handleError(WebErrorEvent ev)
{
	log.error(ev);
}
 

public void setOnError(EventHandler<WebErrorEvent> eventHandler) {
    webEngine.setOnError(eventHandler);
}