java.lang.NullPointerException

Coderanch | eka satria | 9 months ago
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  1. 0

    problem on setSelectedItem() on my Jcombobox

    Coderanch | 9 months ago | eka satria
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at database.programmahasiswa.FormPengolahanData.getData()
    2. database.programmahasiswa
      FormPengolahanData$2.mouseClicked
      1. database.programmahasiswa.FormPengolahanData.getData(FormPengolahanData.java:129)
      2. database.programmahasiswa.FormPengolahanData$2.mouseClicked(FormPengolahanData.java:172)
      2 frames
    3. Java RT
      EventDispatchThread.run
      1. java.awt.AWTEventMulticaster.mouseClicked(Unknown Source)
      2. java.awt.Component.processMouseEvent(Unknown Source)
      3. javax.swing.JComponent.processMouseEvent(Unknown Source)
      4. java.awt.Component.processEvent(Unknown Source)
      5. java.awt.Container.processEvent(Unknown Source)
      6. java.awt.Component.dispatchEventImpl(Unknown Source)
      7. java.awt.Container.dispatchEventImpl(Unknown Source)
      8. java.awt.Component.dispatchEvent(Unknown Source)
      9. java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
      10. java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
      11. java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
      12. java.awt.Container.dispatchEventImpl(Unknown Source)
      13. java.awt.Window.dispatchEventImpl(Unknown Source)
      14. java.awt.Component.dispatchEvent(Unknown Source)
      15. java.awt.EventQueue.dispatchEventImpl(Unknown Source)
      16. java.awt.EventQueue.access$300(Unknown Source)
      17. java.awt.EventQueue$3.run(Unknown Source)
      18. java.awt.EventQueue$3.run(Unknown Source)
      19. java.security.AccessController.doPrivileged(Native Method)
      20. java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
      21. java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
      22. java.awt.EventQueue$4.run(Unknown Source)
      23. java.awt.EventQueue$4.run(Unknown Source)
      24. java.security.AccessController.doPrivileged(Native Method)
      25. java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
      26. java.awt.EventQueue.dispatchEvent(Unknown Source)
      27. java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
      28. java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
      29. java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
      30. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      31. java.awt.EventDispatchThread.pumpEvents(Unknown Source)
      32. java.awt.EventDispatchThread.run(Unknown Source)
      32 frames