java.lang.NullPointerException

Oracle Community | 807587 | 1 decade ago
  1. 0

    problem with JCombobox

    Coderanch | 1 decade ago | djay djay
    java.lang.NullPointerException
  2. 0

    JCombobox Problem

    Oracle Community | 1 decade ago | 807587
    java.lang.NullPointerException
  3. 0

    NullPointerException in FlowView.changedUpdate()

    Coderanch | 1 decade ago | Mark Sintrel
    java.lang.NullPointerException
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  5. 0

    NullpointerException

    Oracle Community | 1 decade ago | 843805
    java.lang.NullPointerException
  6. 0

    Dialog's show method

    Oracle Community | 1 decade ago | 843805
    java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at javax.swing.JComboBox$DefaultKeySelectionManager.selectionForKey()
    2. Java RT
      Dialog.show
      1. javax.swing.JComboBox$DefaultKeySelectionManager.selectionForKey(JComboBox.java:1207)
      2. javax.swing.JComboBox.selectWithKeyChar(JComboBox.java:1003)
      3. javax.swing.plaf.basic.BasicComboBoxUI$KeyHandler.keyPressed(BasicComboBoxUI.java:425)
      4. java.awt.AWTEventMulticaster.keyPressed(AWTEventMulticaster.java:204)
      5. java.awt.Component.processKeyEvent(Component.java:3761)
      6. javax.swing.JComponent.processKeyEvent(JComponent.java:2073)
      7. java.awt.Component.processEvent(Component.java:3637)
      8. java.awt.Container.processEvent(Container.java:1202)
      9. java.awt.Component.dispatchEventImpl(Component.java:2678)
      10. java.awt.Container.dispatchEventImpl(Container.java:1251)
      11. java.awt.Component.dispatchEvent(Component.java:2581)
      12. java.awt.LightweightDispatcher.processKeyEvent(Container.java:2200)
      13. java.awt.LightweightDispatcher.dispatchEvent(Container.java:2180)
      14. java.awt.Container.dispatchEventImpl(Container.java:1238)
      15. java.awt.Window.dispatchEventImpl(Window.java:964)
      16. java.awt.Component.dispatchEvent(Component.java:2581)
      17. java.awt.EventQueue.dispatchEvent(EventQueue.java:434)
      18. java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:234)
      19. java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:141)
      20. java.awt.Dialog.show(Dialog.java:394)
      20 frames