java.lang.NullPointerException

mobac | fjbr | 4 years ago
  1. 0
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
  2. 0
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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  4. 0

    Android: Saving Map State in Google map

    Stack Overflow | 1 year 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 mobac.gui.AtlasProgress.actionPerformed()
    2. mobac.gui
      AtlasProgress.actionPerformed
      1. mobac.gui.AtlasProgress.actionPerformed(AtlasProgress.java:511)
      1 frame
    3. Java RT
      EventQueue.dispatchEvent
      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.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
      7. java.awt.Component.processMouseEvent(Component.java:6389)
      8. javax.swing.JComponent.processMouseEvent(JComponent.java:3268)
      9. java.awt.Component.processEvent(Component.java:6154)
      10. java.awt.Container.processEvent(Container.java:2045)
      11. java.awt.Component.dispatchEventImpl(Component.java:4750)
      12. java.awt.Container.dispatchEventImpl(Container.java:2103)
      13. java.awt.Component.dispatchEvent(Component.java:4576)
      14. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4633)
      15. java.awt.LightweightDispatcher.processMouseEvent(Container.java:4297)
      16. java.awt.LightweightDispatcher.dispatchEvent(Container.java:4227)
      17. java.awt.Container.dispatchEventImpl(Container.java:2089)
      18. java.awt.Window.dispatchEventImpl(Window.java:2518)
      19. java.awt.Component.dispatchEvent(Component.java:4576)
      20. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:672)
      21. java.awt.EventQueue.access$400(EventQueue.java:96)
      22. java.awt.EventQueue$2.run(EventQueue.java:631)
      23. java.awt.EventQueue$2.run(EventQueue.java:629)
      24. java.security.AccessController.doPrivileged(Native Method)
      25. java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)
      26. java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:116)
      27. java.awt.EventQueue$3.run(EventQueue.java:645)
      28. java.awt.EventQueue$3.run(EventQueue.java:643)
      29. java.security.AccessController.doPrivileged(Native Method)
      30. java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:105)
      31. java.awt.EventQueue.dispatchEvent(EventQueue.java:642)
      31 frames
    4. mobac.utilities
      GUIExceptionHandler$EventQueueProxy.dispatchEvent
      1. mobac.utilities.GUIExceptionHandler$EventQueueProxy.dispatchEvent(GUIExceptionHandler.java:299)
      1 frame
    5. Java RT
      EventDispatchThread.run
      1. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:275)
      2. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:200)
      3. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
      4. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:185)
      5. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:177)
      6. java.awt.EventDispatchThread.run(EventDispatchThread.java:138)
      6 frames