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java.lang.IllegalArgumentException: Cannot format given Object as a Number	at java.text.DecimalFormat.format(Unknown Source)	at java.text.Format.format(Unknown Source)	at javax.swing.JTable$DoubleRenderer.setValue(Unknown Source)	at javax.swing.table.DefaultTableCellRenderer.getTableCellRendererComponent(Unknown Source)	at javax.swing.JTable.prepareRenderer(Unknown Source)	at javax.swing.plaf.basic.BasicTableUI.paintCell(Unknown Source)	at javax.swing.plaf.basic.BasicTableUI.paintCells(Unknown Source)	at javax.swing.plaf.basic.BasicTableUI.paint(Unknown Source)	at javax.swing.plaf.ComponentUI.update(Unknown Source)	at javax.swing.JComponent.paintComponent(Unknown Source)	at javax.swing.JComponent.paint(Unknown Source)	at javax.swing.JComponent.paintChildren(Unknown Source)	at javax.swing.JComponent.paint(Unknown Source)	at javax.swing.JViewport.paint(Unknown Source)	at javax.swing.JComponent.paintChildren(Unknown Source)	at javax.swing.JComponent.paint(Unknown Source)	at javax.swing.JComponent.paintChildren(Unknown Source)	at javax.swing.JComponent.paint(Unknown Source)	at javax.swing.JComponent.paintChildren(Unknown Source)	at javax.swing.JComponent.paint(Unknown Source)	at javax.swing.JLayeredPane.paint(Unknown Source)	at javax.swing.JComponent.paintChildren(Unknown Source)	at javax.swing.JComponent.paintToOffscreen(Unknown Source)	at javax.swing.BufferStrategyPaintManager.paint(Unknown Source)	at javax.swing.RepaintManager.paint(Unknown Source)	at javax.swing.JComponent.paint(Unknown Source)	at java.awt.GraphicsCallback$PaintCallback.run(Unknown Source)	at sun.awt.SunGraphicsCallback.runOneComponent(Unknown Source)	at sun.awt.SunGraphicsCallback.runComponents(Unknown Source)	at java.awt.Container.paint(Unknown Source)	at java.awt.Window.paint(Unknown Source)	at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)	at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)	at javax.swing.RepaintManager.seqPaintDirtyRegions(Unknown Source)	at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(Unknown Source)	at java.awt.event.InvocationEvent.dispatch(Unknown Source)	at java.awt.EventQueue.dispatchEvent(Unknown Source)	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)	at java.awt.Dialog$1.run(Unknown Source)	at java.awt.Dialog$3.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at java.awt.Dialog.show(Unknown Source)	at java.awt.Component.show(Unknown Source)	at java.awt.Component.setVisible(Unknown Source)	at java.awt.Window.setVisible(Unknown Source)	at java.awt.Dialog.setVisible(Unknown Source)	at Service$1.run(service.java:42)	at java.awt.event.InvocationEvent.dispatch(Unknown Source)	at java.awt.EventQueue.dispatchEvent(Unknown Source)	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)	at java.awt.EventDispatchThread.run(Unknown Source)