After fixing this error
RT-29444
GridPane began working a little bit different than it worked earlier. However, the required form was obtained by changing the parameters

In an attachment, a relatively simple FXML. I do not understand why Java 8 increases the height of the panel up to 333 pixels


Fxml
https://drive.google.com/folderview?id=0Bz7309sTKJ2nTUdreS0ybi1kbFU&usp=sharing