java.lang.NullPointerException

Coderanch | naresh abcdef | 1 decade ago
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    Null pointer Exception in Basic List UI

    Coderanch | 1 decade ago | naresh abcdef
    java.lang.NullPointerException
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    Null pointer exception in javax.swing.BasicListUI

    Oracle Community | 1 decade ago | 843805
    java.lang.NullPointerException
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    SpringLayout not working on Java 5 (mac) VERTICAL_CENTER

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    java.lang.NullPointerException
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    setVisible() causing headaches

    Google Groups | 2 decades ago | Galen
    java.lang.NullPointerException
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    java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at javax.swing.plaf.basic.BasicListUI.paintCell()
    2. Java RT
      Component.setVisible
      1. javax.swing.plaf.basic.BasicListUI.paintCell(Unknown Source)
      2. javax.swing.plaf.basic.BasicListUI.paint(Unknown Source)
      3. javax.swing.plaf.ComponentUI.update(Unknown Source)
      4. javax.swing.JComponent.paintComponent(Unknown Source)
      5. javax.swing.JComponent.paint(Unknown Source)
      6. javax.swing.JComponent.paintWithOffscreenBuffer(Unknown Source)
      7. javax.swing.JComponent.paintDoubleBuffered(Unknown Source)
      8. javax.swing.JComponent._paintImmediately(Unknown Source)
      9. javax.swing.JComponent.paintImmediately(Unknown Source)
      10. javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
      11. javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(Unknown Source)
      12. java.awt.event.InvocationEvent.dispatch(Unknown Source)
      13. java.awt.EventQueue.dispatchEvent(Unknown Source)
      14. java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
      15. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      16. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      17. java.awt.Dialog$1.run(Unknown Source)
      18. java.awt.Dialog.show(Unknown Source)
      19. java.awt.Component.show(Unknown Source)
      20. java.awt.Component.setVisible(Unknown Source)
      20 frames
    3. com.mgoyal
      MainController.run
      1. com.mgoyal.ProgressDialog.showProgressDialog(ProgressDialogUI.java:164)
      2. com.mgoyal.MainController.run(MainController.java:1631)
      2 frames
    4. Java RT
      EventDispatchThread.run
      1. java.awt.event.InvocationEvent.dispatch(Unknown Source)
      2. java.awt.EventQueue.dispatchEvent(Unknown Source)
      3. java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
      4. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      5. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      6. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      7. java.awt.EventDispatchThread.run(Unknown Source)
      7 frames