java.lang.NullPointerException

Coderanch | Radek Gajdos | 3 years ago
  1. 0

    Counting occurrence of an item in JTable

    Coderanch | 3 years ago | Radek Gajdos
    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 Statoko$2.actionPerformed()
    2. Unknown
      Statoko$2.actionPerformed
      1. Statoko$2.actionPerformed(Statoko.java:44)
      1 frame
    3. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2012)
      2. javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2335)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:404)
      4. javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
      5. javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
      6. java.awt.Component.processMouseEvent(Component.java:6288)
      7. javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
      8. java.awt.Component.processEvent(Component.java:6053)
      9. java.awt.Container.processEvent(Container.java:2045)
      10. java.awt.Component.dispatchEventImpl(Component.java:4649)
      11. java.awt.Container.dispatchEventImpl(Container.java:2103)
      12. java.awt.Component.dispatchEvent(Component.java:4475)
      13. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4633)
      14. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4297)
      15. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4227)
      16. java.awt.Container.dispatchEventImpl(Container.java:2089)
      17. java.awt.Window.dispatchEventImpl(Window.java:2587)
      18. java.awt.Component.dispatchEvent(Component.java:4475)
      19. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:675)
      20. java.awt.EventQueue.access$300(EventQueue.java:96)
      21. java.awt.EventQueue$2.run(EventQueue.java:634)
      22. java.awt.EventQueue$2.run(EventQueue.java:632)
      23. java.security.AccessController.doPrivileged(Native Method)
      24. java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:108)
      25. java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:119)
      26. java.awt.EventQueue$3.run(EventQueue.java:648)
      27. java.awt.EventQueue$3.run(EventQueue.java:646)
      28. java.security.AccessController.doPrivileged(Native Method)
      29. java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:108)
      30. java.awt.EventQueue.dispatchEvent(EventQueue.java:645)
      31. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
      32. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
      33. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
      34. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
      35. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
      36. java.awt.EventDispatchThread.run(EventDispatchThread.java:138)
      36 frames