Problem tracking down an error

From:

Knute Johnson <nospam@rabbitbrush.frazmtn.com>

Newsgroups:

comp.lang.java.programmer

Date:

Wed, 02 Dec 2009 10:39:50 -0800

Message-ID:

<4b16b477$0$26182$b9f67a60@news.newsdemon.com>

I've got some production code and at one site I keep getting an
ArrayIndexOutOfBoundsException. The problem is that there is no line
number in the stack trace so I don't know where this is happening. The
error is posted below. This one user must be doing something different
than the other two but I can't get them to give me any details (which is
very typical). I can give them modified code easily so any ideas on how
to track this?

Thanks,

C:\terminal>java
-Dswing.defaultlaf=com.sun.java.swing.plaf.nimbus.NimbusLookAnd
Feel -Xms200m -Xmx240m -jar Terminal.jar
Terminal - Version: 04.11 - 08 Oct 09

Exception in thread "AWT-EventQueue-0"
java.lang.ArrayIndexOutOfBoundsException:
  4
         at sun.font.FontDesignMetrics.charsWidth(Unknown Source)
         at javax.swing.text.Utilities.getTabbedTextOffset(Unknown Source)
         at javax.swing.text.Utilities.getTabbedTextOffset(Unknown Source)
         at javax.swing.text.Utilities.getTabbedTextOffset(Unknown Source)
         at javax.swing.text.PlainView.viewToModel(Unknown Source)
         at javax.swing.text.FieldView.viewToModel(Unknown Source)
         at
javax.swing.plaf.basic.BasicTextUI$RootView.viewToModel(Unknown Sourc
e)
         at javax.swing.plaf.basic.BasicTextUI.viewToModel(Unknown Source)
         at javax.swing.text.DefaultCaret.moveCaret(Unknown Source)
         at javax.swing.text.DefaultCaret.mouseDragged(Unknown Source)
         at java.awt.AWTEventMulticaster.mouseDragged(Unknown Source)
         at java.awt.Component.processMouseMotionEvent(Unknown Source)
         at javax.swing.JComponent.processMouseMotionEvent(Unknown Source)
         at java.awt.Component.processEvent(Unknown Source)
         at java.awt.Container.processEvent(Unknown Source)
         at java.awt.Component.dispatchEventImpl(Unknown Source)
         at java.awt.Container.dispatchEventImpl(Unknown Source)
         at java.awt.Component.dispatchEvent(Unknown Source)
         at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown
Source)
         at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
         at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
         at java.awt.Container.dispatchEventImpl(Unknown Source)
         at java.awt.Window.dispatchEventImpl(Unknown Source)
         at java.awt.Component.dispatchEvent(Unknown Source)
         at java.awt.EventQueue.dispatchEvent(Unknown Source)
         at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown
Source)
         at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
         at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown
Source)
         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
         at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0"
java.lang.ArrayIndexOutOfBoundsException:
  38
         at sun.font.FontDesignMetrics.charsWidth(Unknown Source)
         at javax.swing.text.Utilities.getTabbedTextOffset(Unknown Source)
         at javax.swing.text.Utilities.getTabbedTextOffset(Unknown Source)
         at javax.swing.text.Utilities.getTabbedTextOffset(Unknown Source)
         at javax.swing.text.PlainView.viewToModel(Unknown Source)
         at javax.swing.text.FieldView.viewToModel(Unknown Source)
         at
javax.swing.plaf.basic.BasicTextUI$RootView.viewToModel(Unknown Sourc
e)
         at javax.swing.plaf.basic.BasicTextUI.viewToModel(Unknown Source)
         at javax.swing.text.DefaultCaret.positionCaret(Unknown Source)
         at javax.swing.text.DefaultCaret.adjustCaret(Unknown Source)
         at javax.swing.text.DefaultCaret.adjustCaretAndFocus(Unknown
Source)
         at javax.swing.text.DefaultCaret.mousePressed(Unknown Source)
         at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
         at java.awt.AWTEventMulticaster.mousePressed(Unknown Source)
         at java.awt.Component.processMouseEvent(Unknown Source)
         at javax.swing.JComponent.processMouseEvent(Unknown Source)
         at java.awt.Component.processEvent(Unknown Source)
         at java.awt.Container.processEvent(Unknown Source)
         at java.awt.Component.dispatchEventImpl(Unknown Source)
         at java.awt.Container.dispatchEventImpl(Unknown Source)
         at java.awt.Component.dispatchEvent(Unknown Source)
         at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown
Source)
         at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
         at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
         at java.awt.Container.dispatchEventImpl(Unknown Source)
         at java.awt.Window.dispatchEventImpl(Unknown Source)
         at java.awt.Component.dispatchEvent(Unknown Source)
         at java.awt.EventQueue.dispatchEvent(Unknown Source)
         at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown
Source)
         at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
         at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown
Source)
         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
         at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
         at java.awt.EventDispatchThread.run(Unknown Source)
--

Knute Johnson
email s/nospam/knute2009/

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