java.lang.NullPointerException: This exception has no message.

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via Oracle Community by 843851, 1 year ago
java.lang.NullPointerException:
at java.awt.ContainerOrderFocusTraversalPolicy.getFirstComponent(libgcj.so.90)
at java.awt.ContainerOrderFocusTraversalPolicy.getFirstComponent(libgcj.so.90)
at java.awt.ContainerOrderFocusTraversalPolicy.getFirstComponent(libgcj.so.90)
at java.awt.ContainerOrderFocusTraversalPolicy.getDefaultComponent(libgcj.so.90)
at java.awt.FocusTraversalPolicy.getInitialComponent(libgcj.so.90)
at java.awt.Window.show(libgcj.so.90)
at java.awt.Component.show(libgcj.so.90)
at com.sun.javafx.tk.swing.WindowStage.setVisible(WindowStage.java:291)
at javafx.stage.Stage.postInit$(Stage.fx:514)
at com.sun.javafx.runtime.FXBase.complete$(FXBase.java:57)
at javafxapplication1.Main.javafx$run$(Main.fx:18)

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