Running my JavaFX application with -Xcheck:jni resulted in several warnings from Glass.

E.g.:

WARNING in native method: JNI call made without checking exceptions when required to from CallStaticObjectMethodV
        at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
        at com.sun.glass.ui.win.WinApplication.lambda$null$148(WinApplication.java:191)
        at com.sun.glass.ui.win.WinApplication$$Lambda$57/665296081.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)



WARNING in native method: JNI call made without checking exceptions when required to from CallStaticObjectMethodV
        at com.sun.glass.ui.win.WinApplication._enterNestedEventLoopImpl(Native Method)
        at com.sun.glass.ui.win.WinApplication._enterNestedEventLoop(WinApplication.java:218)
        at com.sun.glass.ui.Application.enterNestedEventLoop(Application.java:511)
        at com.sun.glass.ui.EventLoop.enter(EventLoop.java:107)
        at com.sun.javafx.tk.quantum.QuantumToolkit.enterNestedEventLoop(QuantumToolkit.java:583)
        at javafx.stage.Stage.showAndWait(Stage.java:474)