java.lang.ClassCastException: javax.swing.plaf.nimbus.DerivedColor$UIResource cannot be cast to javax.swing.Painter
   at javax.swing.plaf.nimbus.NimbusStyle.getBorderPainter(NimbusStyle.java:778)
   at javax.swing.plaf.nimbus.SynthPainterImpl.paintBorder(SynthPainterImpl.java:116)
   at javax.swing.plaf.nimbus.SynthPainterImpl.paintPanelBorder(SynthPainterImpl.java:974)
   at javax.swing.plaf.synth.SynthPanelUI.paintBorder(SynthPanelUI.java:195)
   at javax.swing.plaf.synth.SynthBorder.paintBorder(SynthBorder.java:62)
   at javax.swing.JComponent.paintBorder(JComponent.java:947)
   at javax.swing.JComponent.paint(JComponent.java:1055)
   at javax.swing.JComponent.paintToOffscreen(JComponent.java:5219)
   at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:290)
   at javax.swing.RepaintManager.paint(RepaintManager.java:1223)
   at javax.swing.JComponent._paintImmediately(JComponent.java:5167)
   at javax.swing.JComponent.paintImmediately(JComponent.java:4978)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:786)
   at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:740)
   at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:689)
   at javax.swing.RepaintManager.access$800(RepaintManager.java:59)
   at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1655)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:720)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:681)
   at java.awt.EventQueue$3.run(EventQueue.java:679)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:690)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:216)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:135)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:123)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:119)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:111)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)