Kann JSON nicht deserialisieren

[Fohnbit]

Hallo,

ich nutze die Google gson 2.8.2 Library.

Ich möchte eine Klasse als JSON speichern und in einem anderen Proghramm dieses JSON laden und die Klasse dabei erzeugen:

Die Klasse Window die ich übergeben möchte:

public class Window implements java.io.Serializable {

    Window(String windowName) {
        this.windowName = windowName;
    }

    private static final long serialVersionUID = 1068505166493971108L;

    public String windowName = "Fenster Bezeichnungt";
    public String description = "Fenster Beschreibung";

    public DefaultListModel<Point2D> lstModelRU_RealCoordinate = new DefaultListModel<Point2D>();
    public DefaultListModel<Point2D> lstModelLU_RealCoordinate = new DefaultListModel<Point2D>();
    public DefaultListModel<Point2D> lstModelRD_RealCoordinate = new DefaultListModel<Point2D>();
    public DefaultListModel<Point2D> lstModelLD_RealCoordinate = new DefaultListModel<Point2D>();

    public List<Long> timeStamp_RU = new ArrayList<Long>();
    public List<Long> timeStamp_RD = new ArrayList<Long>();
    public List<Long> timeStamp_LU = new ArrayList<Long>();
    public List<Long> timeStamp_LD = new ArrayList<Long>();

    public transient List<BufferedImage> imagesRU = new ArrayList<BufferedImage>();
    public transient List<BufferedImage> imagesLU = new ArrayList<BufferedImage>();
    public transient List<BufferedImage> imagesRD = new ArrayList<BufferedImage>();
    public transient List<BufferedImage> imagesLD = new ArrayList<BufferedImage>();

    public double windowDirectionView = 90;

    public List<Point2D> plySkySelection_RealCoordinate = new ArrayList<Point2D>();

    @Override
    public String toString() {
        return windowName;
    }

  
}

Serialisieren (heißt das so?):

String json = gson.toJson(window);

Deserialisieren:

            GsonBuilder gsonBuilder = new GsonBuilder();
            gsonBuilder.registerTypeAdapter(Point2D.class, new LocationDeserializer());
            gsonBuilder.registerTypeAdapter(Point2D.class, new LocationSerializer());
            Gson gson = gsonBuilder.create();
            Window window = gson.fromJson(skyList, Window.class);


....

class LocationSerializer implements JsonSerializer<Point2D> {
    public JsonElement serialize(Point2D t, Type type, JsonSerializationContext jsc) {
        JsonObject jo = new JsonObject();
        jo.addProperty("mX", t.getX());
        jo.addProperty("mY", t.getY());
        return jo;
    }

}

class LocationDeserializer implements JsonDeserializer<Point2D> {
    public Point2D deserialize(JsonElement je, Type type, JsonDeserializationContext jdc) throws JsonParseException {
        JsonObject jo = je.getAsJsonObject();
        Point2D l;
        if (jo.getAsJsonPrimitive("x") == null || jo.getAsJsonPrimitive("y") == null) {
            l = new Point2D.Double(0, 0);

        } else {
            l = new Point2D.Double(jo.getAsJsonPrimitive("x").getAsDouble(), jo.getAsJsonPrimitive("y").getAsDouble());
        }
        return l;
    }

Und das erzeugte JSON:

{"windowName":"Beschattung 1","description":"Fenster Beschreibung","lstModelRU_RealCoordinate":{"delegate":[],"listenerList":{}},"lstModelLU_RealCoordinate":{"delegate":[],"listenerList":{}},"lstModelRD_RealCoordinate":{"delegate":[{"x":349.58,"y":3.99},{"x":349.29,"y":25.78},{"x":369.49,"y":56.99},{"x":462.98,"y":64.67},{"x":472.39,"y":61.97},{"x":471.49,"y":41.47},{"x":472.28,"y":35.68},{"x":466.67,"y":22.79},{"x":467.78,"y":5.88},{"x":436.18,"y":3.38}],"listenerList":{}},"lstModelLD_RealCoordinate":{"delegate":[{"x":392.08,"y":-0.03},{"x":391.68,"y":67.47},{"x":497.68,"y":41.79},{"x":504.99,"y":37.19},{"x":484.67,"y":22.37},{"x":483.68,"y":2.38}],"listenerList":{}},"timeStamp_RU":[],"timeStamp_RD":[1499248275135,1499248279599,1499248286920,1499248301462,1499248308319,1499248312975,1499248321966,1499248329166,1499248333735,1499248337679],"timeStamp_LU":[],"timeStamp_LD":[1499248040207,1499248050720,1499248060663,1499248066391,1499248071736,1499248076343],"windowDirectionView":342.0,"plySkySelection_RealCoordinate":[{"x":392.08,"y":-0.03},{"x":392.0579508716128,"y":3.6907904153385243},{"x":349.58,"y":3.99},{"x":349.29,"y":25.78},{"x":369.49,"y":56.99},{"x":391.73127660764055,"y":58.81707246065547},{"x":391.68,"y":67.47},{"x":418.36563582256537,"y":61.00502709506153},{"x":462.98,"y":64.67},{"x":472.39,"y":61.97},{"x":471.77952588938996,"y":48.064756369438356},{"x":497.68,"y":41.79},{"x":504.99,"y":37.19},{"x":484.67,"y":22.37},{"x":483.68,"y":2.38},{"x":392.08,"y":-0.03}]}

Der Fehler:

Caused by: java.lang.reflect.MalformedParameterizedTypeException
    at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.validateConstructorArguments(Unknown Source)
    at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.<init>(Unknown Source)
    at sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl.make(Unknown Source)
    at sun.reflect.generics.factory.CoreReflectionFactory.makeParameterizedType(Unknown Source)
    at sun.reflect.generics.visitor.Reifier.visitClassTypeSignature(Unknown Source)
    at sun.reflect.generics.tree.ClassTypeSignature.accept(Unknown Source)
    at sun.reflect.generics.repository.FieldRepository.getGenericType(Unknown Source)
    at java.lang.reflect.Field.getGenericType(Unknown Source)
    at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.getBoundFields(ReflectiveTypeAdapterFactory.java:158)
    at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory.create(ReflectiveTypeAdapterFactory.java:100)
    at com.google.gson.Gson.getAdapter(Gson.java:423)
    at com.google.gson.Gson.fromJson(Gson.java:887)
    at com.google.gson.Gson.fromJson(Gson.java:853)
    at com.google.gson.Gson.fromJson(Gson.java:802)
    at com.google.gson.Gson.fromJson(Gson.java:774)
    at com.company.Suntracker.onPropertySkyList(Suntracker.java:946)
    ... 9 more