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via Coderanch by antonio espinosa, 1 year ago
java.lang.NullPointerException: 	at cobroconjava.InicioCobro$ModeloPaCobrar.getColumnClass(InicioCobro.java:266)	at javax.swing.JTable.getColumnClass(JTable.java:2701)	at javax.swing.JTable.getCellRenderer(JTable.java:5686)	at javax.swing.plaf.synth.SynthTableUI.paintCell(SynthTableUI.java:683)	at javax.swing.plaf.synth.SynthTableUI.paintCells(SynthTableUI.java:581)	at javax.swing.plaf.synth.SynthTableUI.paint(SynthTableUI.java:365)	at javax.swing.plaf.synth.SynthTableUI.update(SynthTableUI.java:276)	at javax.swing.JComponent.paintComponent(JComponent.java:778)	at javax.swing.JComponent.paint(JComponent.java:1054)	at javax.swing.JComponent.paintChildren(JComponent.java:887)	at javax.swing.JComponent.paint(JComponent.java:1063)	at javax.swing.JViewport.paint(JViewport.java:731)	at javax.swing.JComponent.paintChildren(JComponent.java:887)	at javax.swing.JComponent.paint(JComponent.java:1063)	at javax.swing.JComponent.paintChildren(JComponent.java:887)	at javax.swing.JComponent.paint(JComponent.java:1063)	at javax.swing.JComponent.paintChildren(JComponent.java:887)	at javax.swing.JComponent.paint(JComponent.java:1063)	at javax.swing.JLayeredPane.paint(JLayeredPane.java:585)	at javax.swing.JComponent.paintChildren(JComponent.java:887)	at javax.swing.JComponent.paintToOffscreen(JComponent.java:5228)	at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(RepaintManager.java:1482)	at javax.swing.RepaintManager$PaintManager.paint(RepaintManager.java:1413)	at javax.swing.RepaintManager.paint(RepaintManager.java:1206)	at javax.swing.JComponent.paint(JComponent.java:1040)	at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:39)	at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:78)	at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:115)	at java.awt.Container.paint(Container.java:1967)	at java.awt.Window.paint(Window.java:3877)	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:781)	at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:728)	at javax.swing.RepaintManager.prePaintDirtyRegions(RepaintManager.java:677)	at javax.swing.RepaintManager.access$700(RepaintManager.java:59)	at javax.swing.RepaintManager$ProcessingRunnable.run(RepaintManager.java:1621)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:701)	at java.awt.EventQueue.access$000(EventQueue.java:102)	at java.awt.EventQueue$3.run(EventQueue.java:662)	at java.awt.EventQueue$3.run(EventQueue.java:660)	at java.security.AccessController.doPrivileged(Native Method)	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:671)	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)	at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)