java.lang.NullPointerException
        at sun.font.FileFontStrike.getCachedGlyphPtr(FileFontStrike.java:341)
        at sun.font.FileFontStrike.getGlyphImagePtr(FileFontStrike.java:269)
        at sun.font.FileFontStrike.getGlyphAdvance(FileFontStrike.java:490)
        at sun.font.CompositeStrike.getGlyphAdvance(CompositeStrike.java:129)
        at sun.font.CompositeStrike.getCodePointAdvance(CompositeStrike.java:140)
        at sun.font.FontDesignMetrics.handleCharWidth(FontDesignMetrics.java:402)
        at sun.font.FontDesignMetrics.getLatinCharWidth(FontDesignMetrics.java:411)
        at sun.font.FontDesignMetrics.stringWidth(FontDesignMetrics.java:472)
        at sun.swing.SwingUtilities2.stringWidth(SwingUtilities2.java:385)
        at javax.swing.SwingUtilities.layoutCompoundLabelImpl(SwingUtilities.java:987)
        at javax.swing.SwingUtilities.layoutCompoundLabel(SwingUtilities.java:873)
        at javax.swing.plaf.basic.BasicMenuItemUI.layoutMenuItem(BasicMenuItemUI.java:876)
        at javax.swing.plaf.basic.BasicMenuItemUI.paintMenuItem(BasicMenuItemUI.java:657)
        at javax.swing.plaf.basic.BasicMenuItemUI.paint(BasicMenuItemUI.java:589)
        at javax.swing.plaf.basic.BasicMenuItemUI.update(BasicMenuItemUI.java:585)
        at javax.swing.JComponent.paintComponent(JComponent.java:763)
        at javax.swing.JComponent.paint(JComponent.java:1027)
        at javax.swing.JComponent.paintChildren(JComponent.java:864)
        at javax.swing.JComponent.paint(JComponent.java:1036)
        at javax.swing.JComponent.paintChildren(JComponent.java:864)
        at javax.swing.JComponent.paint(JComponent.java:1036)
        at javax.swing.JLayeredPane.paint(JLayeredPane.java:564)
        at javax.swing.JComponent.paintChildren(JComponent.java:864)
        at javax.swing.JComponent.paintToOffscreen(JComponent.java:5129)
        at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1382)
        at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1313)
        at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManager.java:301)
        at javax.swing.RepaintManager.paint(RepaintManager.java:1128)
        at javax.swing.JComponent.paint(JComponent.java:1013)
        at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:21)
        at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:60)
        at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:97)
        at java.awt.Container.paint(Container.java:1797)
        at org.netbeans.core.windows.view.ui.MainWindow.paint(MainWindow.java:577)
        at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:734)
        at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:679)
        at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:659)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:128)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)