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  1. JDK
  2. JDK-4901915

NPE thrown on Mouse over JMenu on XP

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    Details

    • Subcomponent:
    • Resolved In Build:
      tiger
    • CPU:
      x86
    • OS:
      windows_xp

      Description

      NPE is thrown when mouse is takem over the menu.

      Steps to reproduce:
      ---------------------
      1) Run SwingSet2
      2) Change the LAF to windows
      3)Take mouse over the File menu DO NOT CLICK
      4) Now press the right arraow key to go to 'Look & Feel' menu
      It wil throw NPE

      java.lang.NullPointerException
              at javax.swing.plaf.basic.BasicDesktopPaneUI$Actions.actionPerformed(BasicDesktopPane
      UI.java:289)
              at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1540)
              at javax.swing.JComponent.processKeyBinding(JComponent.java:2449)
              at javax.swing.JComponent.processKeyBindings(JComponent.java:2495)
              at javax.swing.JComponent.processKeyEvent(JComponent.java:2412)
              at java.awt.Component.processEvent(Component.java:4911)
              at java.awt.Container.processEvent(Container.java:1569)
              at java.awt.Component.dispatchEventImpl(Component.java:3617)
              at java.awt.Container.dispatchEventImpl(Container.java:1627)
              at java.awt.Component.dispatchEvent(Component.java:3479)
              at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1713)
              at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:627)
              at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:831)
              at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:741)

              at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:592)
              at java.awt.Component.dispatchEventImpl(Component.java:3508)
              at java.awt.Container.dispatchEventImpl(Container.java:1627)
              at java.awt.Window.dispatchEventImpl(Window.java:1606)
              at java.awt.Component.dispatchEvent(Component.java:3479)
              at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
              at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:208)
              at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:157)
              at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:151)
              at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:143)
              at java.awt.EventDispatchThread.run(EventDispatchThread.java:104)

      This is observed in Tiger b07.

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              Assignee:
              joutwatesunw Joshua Outwater (Inactive)
              Reporter:
              mjoshisunw Mayank Joshi (Inactive)
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                Updated:
                Resolved:
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