ich hab irgendwas an mein prog geändert und jetzt bekomm ich diese fehlermeldung und versteh nicht was die bedeutet
Code:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at javax.swing.JTable.prepareRenderer(JTable.java:3917)
at javax.swing.plaf.basic.BasicTableUI.paintCell(BasicTableUI.java:1620)
at javax.swing.plaf.basic.BasicTableUI.paintCells(BasicTableUI.java:1522)
at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1445)
at javax.swing.plaf.ComponentUI.update(ComponentUI.java:142)
at javax.swing.JComponent.paintComponent(JComponent.java:740)
at javax.swing.JComponent.paint(JComponent.java:1003)
at javax.swing.JComponent.paintChildren(JComponent.java:840)
at javax.swing.JComponent.paint(JComponent.java:1012)
at javax.swing.JViewport.paint(JViewport.java:727)
at javax.swing.JComponent.paintChildren(JComponent.java:840)
at javax.swing.JComponent.paint(JComponent.java:1012)
at javax.swing.JComponent.paintChildren(JComponent.java:840)
at javax.swing.JComponent.paint(JComponent.java:1012)
at javax.swing.JComponent.paintChildren(JComponent.java:840)
at javax.swing.JComponent.paint(JComponent.java:1012)
at javax.swing.JComponent.paintChildren(JComponent.java:840)
at javax.swing.JComponent.paint(JComponent.java:1012)
at javax.swing.JComponent.paintChildren(JComponent.java:840)
at javax.swing.JComponent.paint(JComponent.java:1012)
at javax.swing.JLayeredPane.paint(JLayeredPane.java:559)
at javax.swing.JComponent.paintChildren(JComponent.java:840)
at javax.swing.JComponent.paintWithOffscreenBuffer(JComponent.java:4930)
at javax.swing.JComponent.paintDoubleBuffered(JComponent.java:4876)
at javax.swing.JComponent.paint(JComponent.java:993)
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:1704)
at sun.awt.RepaintArea.paintComponent(RepaintArea.java:248)
at sun.awt.RepaintArea.paint(RepaintArea.java:224)
at sun.awt.windows.WComponentPeer.handleEvent(WComponentPeer.java:248)
at java.awt.Component.dispatchEventImpl(Component.java:4009)
at java.awt.Container.dispatchEventImpl(Container.java:2019)
at java.awt.Window.dispatchEventImpl(Window.java:1764)
at java.awt.Component.dispatchEvent(Component.java:3781)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)