java.lang.NullPointerException

Coderanch | Nicolas Sebastian Vidal | 4 years ago
  1. 0

    problem with JTextField null

    Coderanch | 4 years ago | Nicolas Sebastian Vidal
    java.lang.NullPointerException
  2. 0
    samebug tip
    Assign onCickListener to imageView in ExpandableListView inside getChildView.
  3. 0
    samebug tip
    The Fragment was destroyed, and getActivity() returned null. Don't destroy the Fragment.
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  5. 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 ar.com.educacionit.base.libreria.WindowsMethods.checkJTextField()
    2. ar.com.educacionit
      AutosVentana$3.actionPerformed
      1. ar.com.educacionit.base.libreria.WindowsMethods.checkJTextField(WindowsMethods.java:43)
      2. ar.com.educacionit.vehiculos.ventanas.AutosVentana.btnGuardarActionPerformed(AutosVentana.java:368)
      3. ar.com.educacionit.vehiculos.ventanas.AutosVentana.access$200(AutosVentana.java:7)
      4. ar.com.educacionit.vehiculos.ventanas.AutosVentana$3.actionPerformed(AutosVentana.java:124)
      4 frames
    3. Java RT
      EventDispatchThread.run
      1. java.awt.Button.processActionEvent(Button.java:409)
      2. java.awt.Button.processEvent(Button.java:377)
      3. java.awt.Component.dispatchEventImpl(Component.java:4861)
      4. java.awt.Component.dispatchEvent(Component.java:4687)
      5. java.awt.EventQueue.dispatchEventImpl(EventQueue.java:703)
      6. java.awt.EventQueue.access$000(EventQueue.java:102)
      7. java.awt.EventQueue$3.run(EventQueue.java:662)
      8. java.awt.EventQueue$3.run(EventQueue.java:660)
      9. java.security.AccessController.doPrivileged(Native Method)
      10. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      11. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
      12. java.awt.EventQueue$4.run(EventQueue.java:676)
      13. java.awt.EventQueue$4.run(EventQueue.java:674)
      14. java.security.AccessController.doPrivileged(Native Method)
      15. java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
      16. java.awt.EventQueue.dispatchEvent(EventQueue.java:673)
      17. java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
      18. java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
      19. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
      20. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
      21. java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
      22. java.awt.EventDispatchThread.run(EventDispatchThread.java:97)
      22 frames