java.lang.NullPointerException

Oracle Community | 807587 | 1 decade ago
  1. 0

    setDefaultLookAndFeelDecorated(boolean); ???????????

    Oracle Community | 1 decade ago | 807587
    java.lang.NullPointerException
  2. 0

    Program it's OK but don't run!

    Oracle Community | 1 decade ago | 843810
    java.lang.NullPointerException
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  4. 0
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
  5. 0
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.awt.Font.getStringBounds()
    2. Java RT
      FontMetrics.getStringBounds
      1. java.awt.Font.getStringBounds(Unknown Source)
      2. java.awt.FontMetrics.getStringBounds(Unknown Source)
      2 frames
    3. Unknown
      SijpButtonUI.paint
      1. SijpButtonUI.paintText(SijpButtonUI.java:43)
      2. SijpButtonUI.paint(SijpButtonUI.java:83)
      2 frames
    4. Java RT
      EventDispatchThread.run
      1. javax.swing.plaf.ComponentUI.update(Unknown Source)
      2. javax.swing.JComponent.paintComponent(Unknown Source)
      3. javax.swing.JComponent.paint(Unknown Source)
      4. javax.swing.JComponent.paintChildren(Unknown Source)
      5. javax.swing.JComponent.paint(Unknown Source)
      6. javax.swing.JComponent.paintChildren(Unknown Source)
      7. javax.swing.JComponent.paint(Unknown Source)
      8. javax.swing.JLayeredPane.paint(Unknown Source)
      9. javax.swing.JComponent.paintChildren(Unknown Source)
      10. javax.swing.JComponent.paintWithOffscreenBuffer(Unknown Source)
      11. javax.swing.JComponent.paintDoubleBuffered(Unknown Source)
      12. javax.swing.JComponent.paint(Unknown Source)
      13. java.awt.GraphicsCallback$PaintCallback.run(Unknown Source)
      14. sun.awt.SunGraphicsCallback.runOneComponent(Unknown Source)
      15. sun.awt.SunGraphicsCallback.runComponents(Unknown Source)
      16. java.awt.Container.paint(Unknown Source)
      17. sun.awt.RepaintArea.paint(Unknown Source)
      18. sun.awt.windows.WComponentPeer.handleEvent(Unknown Source)
      19. java.awt.Component.dispatchEventImpl(Unknown Source)
      20. java.awt.Container.dispatchEventImpl(Unknown Source)
      21. java.awt.Window.dispatchEventImpl(Unknown Source)
      22. java.awt.Component.dispatchEvent(Unknown Source)
      23. java.awt.EventQueue.dispatchEvent(Unknown Source)
      24. java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
      25. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      26. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      27. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      28. java.awt.EventDispatchThread.run(Unknown Source)
      28 frames