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Could not initialize class javax.swing.UIManager
java.lang.NoClassDefFoundError: Could not initialize class javax.swing.UIManager at com.sun.embeddedswing.SwingGlueLayer.getSwingGlueLayer(SwingGlueLayer.java:75) at com.sun.embeddedswing.SwingGlueLayer.getContextMap(SwingGlueLayer.java:88) at com.sun.javafx.tk.swing.SwingToolkit.getContextMap(SwingToolkit.fx:277) at com.sun.javafx.tk.Toolkit$1com$ObjLit$5.getContextMapImpl(Toolkit.fx:300) at com.sun.scenario.ToolkitAccessor.getContextMap(ToolkitAccessor.java:51) at com.sun.scenario.Settings.getInstance(Settings.java:61) at com.sun.scenario.Settings.getBoolean(Settings.java:132) at com.sun.scenario.animation.AbstractMasterTimer.<clinit>(AbstractMasterTimer.java:71) at com.sun.scenario.animation.FrameJob.wakeUp(FrameJob.java:34) at com.sun.javafx.tk.Toolkit.triggerNextPulse(Toolkit.fx:169) at javafx.scene.Scene.addToDirtyCSSList(Scene.fx:274) at javafx.scene.Node.impl_reapplyCSS(Node.fx:3085) at javafx.scene.Node.onReplace$scene(Node.fx:479) at javafx.scene.Parent.onReplace$scene(Parent.fx:129) at javafx.scene.Node.set$scene(Node.fx:283) at javafx.scene.Scene.applyDefaults$(Scene.fx:514) at Main.javafx$run$(Main.fx:10)