javafx fxmlloader location is not set
//CHECK THE FULL ANSWER BUT THIS MIGHT BE A QUICK FIX
//DON'T USE .. IN THE PATH
// FXML file in the same package as the current class:
URL fxmlURL = getClass().getResource("MyFile.fxml");
Parent root = FXMLLoader.load(fxmlURL);
// FXML file in a subpackage called `fxml`:
URL fxmlURL2 = getClass().getResource("fxml/MyFile.fxml");
Parent root2 = FXMLLoader.load(fxmlURL2);
// Similarly for images:
URL imageURL = getClass().getResource("myimages/image.png");
Image image = new Image(imageURL.toExternalForm());