java.lang.NullPointerException

Coderanch | Adnan Al-Jehani | 5 years ago
  1. 0

    Drawing graphics with if statement ??

    Coderanch | 5 years ago | Adnan Al-Jehani
    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 test$myHandler.actionPerformed()
    2. Unknown
      test$myHandler.actionPerformed
      1. test$myHandler.actionPerformed(test.java:42)
      1 frame
    3. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
      2. javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
      4. javax.swing.JToggleButton$ToggleButtonModel.setPressed(JToggleButton.java:308)
      5. javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
      6. java.awt.Component.processMouseEvent(Component.java:6505)
      7. javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
      8. java.awt.Component.processEvent(Component.java:6270)
      9. java.awt.Container.processEvent(Container.java:2229)
      10. java.awt.Component.dispatchEventImpl(Component.java:4861)
      11. java.awt.Container.dispatchEventImpl(Container.java:2287)
      12. java.awt.Component.dispatchEvent(Component.java:4687)
      13. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
      14. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
      15. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
      16. java.awt.Container.dispatchEventImpl(Container.java:2273)
      17. java.awt.Window.dispatchEventImpl(Window.java:2713)
      18. java.awt.Component.dispatchEvent(Component.java:4687)
      19. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:707)
      20. java.awt.EventQueue.access$000(EventQueue.java:101)
      21. java.awt.EventQueue$3.run(EventQueue.java:666)
      22. java.awt.EventQueue$3.run(EventQueue.java:664)
      23. java.security.AccessController.doPrivileged(Native Method)
      24. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      25. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
      26. java.awt.EventQueue$4.run(EventQueue.java:680)
      27. java.awt.EventQueue$4.run(EventQueue.java:678)
      28. java.security.AccessController.doPrivileged(Native Method)
      29. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      30. java.awt.EventQueue.dispatchEvent(EventQueue.java:677)
      31. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
      32. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
      33. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
      34. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
      35. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
      36. java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
      36 frames