java.lang.NullPointerException

Oracle Community | 807587 | 1 decade ago
  1. 0

    JLabel

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

    Button click in Applet opens another Applet Java

    Stack Overflow | 3 years ago | user3542679
    java.lang.NullPointerException
  3. 0
    samebug tip
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
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  5. 0
    samebug tip
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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    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 Test.actionPerformed()
    2. Unknown
      Test.actionPerformed
      1. Test.actionPerformed(Test.java:86)
      1 frame
    3. Java RT
      EventDispatchThread.run
      1. javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1786)
      2. javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1839)
      3. javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
      4. javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
      5. javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:245)
      6. java.awt.Component.processMouseEvent(Component.java:5100)
      7. java.awt.Component.processEvent(Component.java:4897)
      8. java.awt.Container.processEvent(Container.java:1569)
      9. java.awt.Component.dispatchEventImpl(Component.java:3615)
      10. java.awt.Container.dispatchEventImpl(Container.java:1627)
      11. java.awt.Component.dispatchEvent(Component.java:3477)
      12. java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
      13. java.awt.LightweightDispatcher.processMouseEvent(Container.java:3198)
      14. java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
      15. java.awt.Container.dispatchEventImpl(Container.java:1613)
      16. java.awt.Window.dispatchEventImpl(Window.java:1606)
      17. java.awt.Component.dispatchEvent(Component.java:3477)
      18. java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
      19. java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
      20. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
      21. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
      22. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
      23. java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
      23 frames