I have a normal JFrame (one part of the app) and a second JavaFX window (I can\'t use a JFrame for the JavaFX stage). The problem is that the JavaFX window should always be
I have a similar problem right now.
I use this line of code to get an always on top effect:
stage.initModality(Modality.APPLICATION_MODAL);
It works fine for me.
Here is the doc.