java.lang.NullPointerException

Coderanch | Jose Vives | 1 year ago
  1. 0

    Draw on a panel

    Coderanch | 1 year ago | Jose Vives
    java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at uk.av.aber.users.jov2.langtonant.Main.paintComponent()
    2. uk.av.aber
      Main.paintComponent
      1. uk.av.aber.users.jov2.langtonant.Main.paintComponent(Main.java:58)
      1 frame
    3. Java RT
      EventDispatchThread.run
      1. javax.swing.JComponent.paint(Unknown Source)
      2. javax.swing.JComponent.paintChildren(Unknown Source)
      3. javax.swing.JComponent.paint(Unknown Source)
      4. javax.swing.JLayeredPane.paint(Unknown Source)
      5. javax.swing.JComponent.paintChildren(Unknown Source)
      6. javax.swing.JComponent.paintToOffscreen(Unknown Source)
      7. javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
      8. javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
      9. javax.swing.RepaintManager.paint(Unknown Source)
      10. javax.swing.JComponent.paint(Unknown Source)
      11. java.awt.GraphicsCallback$PaintCallback.run(Unknown Source)
      12. sun.awt.SunGraphicsCallback.runOneComponent(Unknown Source)
      13. sun.awt.SunGraphicsCallback.runComponents(Unknown Source)
      14. java.awt.Container.paint(Unknown Source)
      15. java.awt.Window.paint(Unknown Source)
      16. javax.swing.RepaintManager$4.run(Unknown Source)
      17. javax.swing.RepaintManager$4.run(Unknown Source)
      18. java.security.AccessController.doPrivileged(Native Method)
      19. java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
      20. javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
      21. javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
      22. javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
      23. javax.swing.RepaintManager.access$1300(Unknown Source)
      24. javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
      25. java.awt.event.InvocationEvent.dispatch(Unknown Source)
      26. java.awt.EventQueue.dispatchEventImpl(Unknown Source)
      27. java.awt.EventQueue.access$400(Unknown Source)
      28. java.awt.EventQueue$3.run(Unknown Source)
      29. java.awt.EventQueue$3.run(Unknown Source)
      30. java.security.AccessController.doPrivileged(Native Method)
      31. java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
      32. java.awt.EventQueue.dispatchEvent(Unknown Source)
      33. java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
      34. java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
      35. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      36. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      37. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      38. java.awt.EventDispatchThread.run(Unknown Source)
      38 frames