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  1. JDK
  2. JDK-4825951

Mantis B17: NPE on launching Stylepad Demo

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • Icon: P3 P3
    • None
    • 1.4.2
    • client-libs
    • generic, x86
    • generic, solaris


      Build Tested: Mantis B17
      OS : Solaris IA 9 (32 bit), Solaris IA 8(32 bit)
      Locales: th_TH.UTF-8, en_US

      Steps to Reproduce:
      ==================
      1) On a IA8/IA9 system, set th_TH.UTF-8 or en_US as the default locale.
      2) Install Mantis B17.
      3) Launch Stylepad demo
        % java -jar Stylepad.jar

      4) The Stylepad demo window opens, but at the same time the following exception is thrown on the console:

      java.lang.NullPointerException
              at javax.swing.text.FlowView.changedUpdate(FlowView.java:264)
              at javax.swing.text.ParagraphView.changedUpdate(ParagraphView.java:666)
              at javax.swing.text.View.forwardUpdateToView(View.java:1221)
              at javax.swing.text.View.forwardUpdate(View.java:1192)
              at javax.swing.text.BoxView.forwardUpdate(BoxView.java:222)
              at javax.swing.text.View.changedUpdate(View.java:798)
              at javax.swing.plaf.basic.BasicTextUI$RootView.changedUpdate(BasicTextUI.java:1515)
              at javax.swing.plaf.basic.BasicTextUI$UpdateHandler.changedUpdate(BasicTextUI.java:1756)
              at javax.swing.text.AbstractDocument.fireChangedUpdate(AbstractDocument.java:213)
              at javax.swing.text.DefaultStyledDocument$ChangeUpdateRunnable.run(DefaultStyledDocument.java:2477)
              at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
              at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)
              at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
              at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
              at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
              at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
              at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)


      NOTE:

      - The NPE is thrown intermittently. I was able to get the exception atleast
        once in 2-3 runs.
      - This problem is not reproducible with Mantis B16. Looks like a regression.
              
      ###@###.### 2003-02-28

            idk Igor Kushnirskiy (Inactive)
            rmehdirasunw Ruchika Mehdiratta (Inactive)
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              Created:
              Updated:
              Resolved:
              Imported:
              Indexed: