java.lang.NullPointerException

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  • Date Problem
    via by 807587,
    • java.lang.NullPointerException at UtilityMethods$1.getColumnClass(UtilityMethods.java:321) at javax.swing.JTable.getColumnClass(JTable.java:1695) at javax.swing.JTable.getCellRenderer(JTable.java:3512) at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:994) at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:917) at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:858) at javax.swing.plaf.ComponentUI.update(ComponentUI.java:39) at javax.swing.JComponent.paintComponent(JComponent.java:395) at javax.swing.JComponent.paint(JComponent.java:687) at javax.swing.JComponent.paintChildren(JComponent.java:498) at javax.swing.JComponent.paint(JComponent.java:696) at javax.swing.JViewport.paint(JViewport.java:668) at javax.swing.JComponent.paintChildren(JComponent.java:498) at javax.swing.JComponent.paint(JComponent.java:696) at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:23) at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:54) at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:91) at java.awt.Container.paint(Container.java:960) at javax.swing.JComponent.paintChildren(JComponent.java:510) at javax.swing.JComponent.paint(JComponent.java:696) at javax.swing.JComponent.paintChildren(JComponent.java:498) at javax.swing.JComponent.paint(JComponent.java:696) at javax.swing.JComponent.paintChildren(JComponent.java:498) at javax.swing.JComponent.paint(JComponent.java:696) at javax.swing.JLayeredPane.paint(JLayeredPane.java:546) at javax.swing.JComponent.paintChildren(JComponent.java:498) at javax.swing.JComponent.paint(JComponent.java:669) at java.awt.GraphicsCallback$PaintCallback.run(GraphicsCallback.java:23) at sun.awt.SunGraphicsCallback.runOneComponent(SunGraphicsCallback.java:54) at sun.awt.SunGraphicsCallback.runComponents(SunGraphicsCallback.java:91) at java.awt.Container.paint(Container.java:960) at javax.swing.JFrame.update(JFrame.java:329) at sun.awt.RepaintArea.update(RepaintArea.java:337) at sun.awt.windows.WComponentPeer.handleEvent(WComponentPeer.java:200) at java.awt.Component.dispatchEventImpl(Component.java:2663) at java.awt.Container.dispatchEventImpl(Container.java:1213) at java.awt.Window.dispatchEventImpl(Window.java:914) at java.awt.Component.dispatchEvent(Component.java:2497) at java.awt.EventQueue.dispatchEvent(EventQueue.java:339) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)
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