'undefined' не является объектом на карте загрузки

Question

Я отменял этот код в течение нескольких месяцев, но внезапно не работает.Я пытаюсь загрузить карту и показать на ней некоторые маркеры с позициями базы данных.Ссылка на базу данных и возврат запроса в порядке.

Файл JavaFX:

public class MapController  implements Initializable{
    private final static Logger LOGGER = Logger.getLogger(FinalizadosController.class.getName());


    @FXML
    Button changeConductorButton;

    @FXML
    ComboBox<String> conductorComboBox;
    ConductorGestor mConductorGestor = new ConductorGestor();
    private List<String> nombreConductoresComboList;

    @FXML
    WebView mapaWebView;

    WebEngine engine;

    PosicionGestor mPosicionGestor = new PosicionGestor();
    double lat;
    double lon;

    @FXML
    HBox fechaHBox;
    private DatePicker fechaDatePicker;

    @Override
    public void initialize(URL arg0, ResourceBundle arg1) {
        fillComboBoxConductor();

        fechaDatePicker = new DatePicker(new Locale("es", "ES"));
        fechaDatePicker.setDateFormat(new SimpleDateFormat("dd-MM-yyyy"));
        fechaDatePicker.getCalendarView().todayButtonTextProperty().set("Today");
        fechaDatePicker.getCalendarView().setShowWeeks(false);
        fechaDatePicker.getStylesheets().add("/view/DatePicker.css");

        fechaHBox.getChildren().add(fechaDatePicker);

        final URL urlGoogleMaps = getClass().getResource("googlemapscriptvictor.html");
        engine = mapaWebView.getEngine();

            lat = 22.209938;
            lon = -1.727726;


        engine.getLoadWorker().stateProperty().addListener(
                new ChangeListener<State>() {
                    public void changed(ObservableValue ov, State oldState, State newState) {
                        System.out.println("ESTADO CAMBIADO: " + newState);
                        if (newState == Worker.State.SUCCEEDED) {


                            mostrarTodosLosConductores();
                        }
                    }
                });

        engine.setJavaScriptEnabled(true);
        engine.load(urlGoogleMaps.toExternalForm());
        mapaWebView.setOnDragDetected(new EventHandler<MouseEvent>() {

            @Override
            public void handle(MouseEvent t) {
                // intentionally do nothing
            }
        });
    }

    protected void mostrarTodosLosConductores() {
        try {


            LOGGER.log(Level.ERROR, "Inicio mostrarTodosLosConductores() " );
            System.out.println("MOSTRAR CONDUCTORES");
            for(String condNombre : nombreConductoresComboList) {
                LOGGER.log(Level.ERROR, "condNombre: " + condNombre);
                Posicion p =  mPosicionGestor.selectPosition(condNombre);
                LOGGER.log(Level.ERROR, "p: " + p.getIdPosicion());
                if(null!=p){
                    if(p.getIdPosicion()!=0){   

                        if((p.getxPos()!=0)&&(p.getyPos()!=0)){
                        engine.executeScript("addInfoBulle('"+ condNombre +"',"+p.getxPos()+","+p.getyPos()+",'"+p.getmFecha()+"','"+"direccion"+"');");

                        }
                    }
                }
            }
            engine.executeScript("goToLocation("+lat+","+lon+");");
        } catch (Exception e) {
            LOGGER.log(Level.ERROR, UtilsVictor.exceptionStacktraceToString(e));
            UtilsVictor.showAvisoScreen("ERROR", e);
        }
    }






    public String getLocationInfo( double lat, double lng) {


        JSONObject jsonObject = new JSONObject();
        String json = new String();
        try {
            json = readUrl("http://maps.googleapis.com/maps/api/geocode/json?latlng="+ lat + ","+lng + "&sensor=true_or_false" );
            jsonObject = new JSONObject(json);
        } catch (JSONException e) {
            e.printStackTrace();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        JSONObject location;
        String location_string = new String();
        try {
            //Get JSON Array called "results" and then get the 0th complete object as JSON        
            location = jsonObject.getJSONArray("results").getJSONObject(0); 
            // Get the value of the attribute whose name is "formatted_string"
            location_string = location.getString("formatted_address");
        } catch (JSONException e1) {
            e1.printStackTrace();

        }



        return location_string;
    }

    private static String readUrl(String urlString) throws Exception {
        BufferedReader reader = null;
        try {
            URL url = new URL(urlString);
            reader = new BufferedReader(new InputStreamReader(url.openStream()));
            StringBuffer buffer = new StringBuffer();
            int read;
            char[] chars = new char[1024];
            while ((read = reader.read(chars)) != -1)
                buffer.append(chars, 0, read); 

            return buffer.toString();
        } finally {
            if (reader != null)
                reader.close();
        }

    }



}

файл thml, ключ вставлен нормально, в моем коде здесь вставлено xxxx

    <!DOCTYPE html>
<html>
<head>
<title>Java-Buddy: Google Maps</title>
<script src="http://maps.google.com/maps/api/js?key=xxxx"></script>
<style>
#mapcanvas {
    height: 600px;
    width: 100%
}
</style>



</head>
<body>
    <h1>Mapa Situación Chóferes</h1>
    <div id="mapcanvas">

        <script type="text/javascript">
            document.map = new google.maps.Map(document
                    .getElementById("mapcanvas"));

            var latlng = new google.maps.LatLng(41.78266856772762, -1.976816946635381);
            var Options = {
                zoom : 9,
                center : latlng,
                mapTypeId : google.maps.MapTypeId.ROADMAP
            };
            //creamos el mapa
            var map = new google.maps.Map(document.getElementById("mapcanvas"),
                    Options);


            var arrayPuntosRuta = [];
            var markersArray = [];
            function borrarPuntos(){
                arrayPuntosRuta = [];
            }

            function addPosicionARuta(x,y) {
                var puntoRuta = new google.maps.LatLng(x,y);
                arrayPuntosRuta.push(puntoRuta);
            }

            function showRuta(puntosRuta) {


                var flightPath = new google.maps.Polyline({
                    path : arrayPuntosRuta,
                    geodesic : true,
                    strokeColor : '#FF0000',
                    strokeOpacity : 1.0,
                    strokeWeight : 2
                });

                flightPath.setMap(map);

            }

            //Creamos el marker que se va a ir mostrando

            function addInfoBulle(nombreconductor, x, y, hora, direccion) {
                var marker = new google.maps.Marker({
                    position : new google.maps.LatLng(x, y),
                    map : map,
                    draggable : false,
                    //icon: carMarkerImage,
                    title : "tit",
                    autoPan : true

                });

                var contentString = '<div id="content"><p>Conductor:  <strong>'
                        + nombreconductor
                        + '</strong></p>    <p> Hora: <strong>'
                        + hora
                        + '</strong></p><p>Dirección:<strong>' + direccion + '</strong></p><p>Velocidad:<strong>Km</strong></p></div>';

                var infobulle = new google.maps.InfoWindow({
                    content : contentString
                });
                markersArray.push(infobulle);

                google.maps.event.addListener(marker, 'mouseover', function() {
                    infobulle.open(map, marker);
                });
            }

        function goToLocation(x, y) {
                alert("goToLocation, x: " + x + ", y:" + y);
                var latLng = new google.maps.LatLng(x, y);
                map.setCenter(latLng);
            }           
        </script>


    </div>
</body>
</html>

И провал:

[INFO] 2018-11-21 21:23:24,555 - controller.FinalizadosController -90966 [JavaFX Application Thread] ERROR controller.FinalizadosController  - netscape.javascript.JSException: TypeError: 'undefined' is not an object
at com.sun.webpane.platform.WebPage.twkExecuteScript(Native Method)
at com.sun.webpane.platform.WebPage.executeScript(Unknown Source)
at javafx.scene.web.WebEngine.executeScript(Unknown Source)
at controller.MapController.mostrarTodosLosConductores(MapController.java:162)
at controller.MapController$1.changed(MapController.java:128)
at controller.MapController$1.changed(MapController.java:1)
at com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(Unknown Source)
at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(Unknown Source)
at javafx.beans.property.ReadOnlyObjectWrapper$ReadOnlyPropertyImpl.fireValueChangedEvent(Unknown Source)
at javafx.beans.property.ReadOnlyObjectWrapper.fireValueChangedEvent(Unknown Source)
at javafx.beans.property.ObjectPropertyBase.markInvalid(Unknown Source)
at javafx.beans.property.ObjectPropertyBase.set(Unknown Source)
at javafx.scene.web.WebEngine$LoadWorker.updateState(Unknown Source)
at javafx.scene.web.WebEngine$LoadWorker.dispatchLoadEvent(Unknown Source)
at javafx.scene.web.WebEngine$LoadWorker.access$600(Unknown Source)
at javafx.scene.web.WebEngine$PageLoadListener.dispatchLoadEvent(Unknown Source)
at com.sun.webpane.platform.WebPage.fireLoadEvent(Unknown Source)
at com.sun.webpane.platform.WebPage.fwkFireLoadEvent(Unknown Source)
at com.sun.webpane.webkit.network.URLLoader.twkDidFinishLoading(Native Method)
at com.sun.webpane.webkit.network.URLLoader.access$1300(Unknown Source)
at com.sun.webpane.webkit.network.URLLoader$6.run(Unknown Source)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(Unknown Source)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.access$100(Unknown Source)
at com.sun.glass.ui.win.WinApplication$3$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

Почему это происходит?и вдруг ...

Спасибо всем за помощь!