Java Version: 1.5.0_20
Platform: WinXPpro SP3

Problems:
When I launch the bugster 2.14.0.01 with java 1.5.0_20 installed in the system, after I update a bug by adding information(text) in the Comments area, and Save it, I can see the java console shows exceptions as below:

Java Web Start 1.5.0_20
Using JRE version 1.5.0_20 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\zhang
----------------------------------------------------
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
m: print memory usage
o: trigger logging
p: reload proxy configuration
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
0-5: set trace level to <n>
----------------------------------------------------
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at javax.swing.text.CompositeView.replace(Unknown Source)
at javax.swing.text.BoxView.replace(Unknown Source)
at javax.swing.text.WrappedPlainView.updateChildren(Unknown Source)
at javax.swing.text.WrappedPlainView.removeUpdate(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI$RootView.removeUpdate(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI$UpdateHandler.removeUpdate(Unknown Source)
at javax.swing.text.AbstractDocument.fireRemoveUpdate(Unknown Source)
at javax.swing.text.AbstractDocument.handleRemove(Unknown Source)
at javax.swing.text.AbstractDocument.remove(Unknown Source)
at javax.swing.text.AbstractDocument.replace(Unknown Source)
at javax.swing.text.JTextComponent.setText(Unknown Source)
at com.sun.sunit.bugtraq.client.swing.view.CrNotesView.updateNote(CrNotesView.java:538)
at com.sun.sunit.bugtraq.client.swing.view.CrNotesView.setViewContext(CrNotesView.java:2159)
at com.sun.sunit.bugtraq.client.swing.view.CrUpdateView.setViewContext(CrUpdateView.java:209)
at com.sun.sunit.bugtraq.client.swing.view.CrUpdateView.onCrChanged(CrUpdateView.java:380)
at com.sun.sunit.bugtraq.client.swing.view.CrUpdateView.stateChanged(CrUpdateView.java:368)
at com.sun.sunit.bugtraq.client.swing.view.BTFramePanelView.fireChangeEvent(BTFramePanelView.java:100)
at com.sun.sunit.bugtraq.client.swing.view.CrUpdateHeaderView.commandCompleted(CrUpdateHeaderView.java:466)
at com.sun.sunit.command.CommandController.notifyCompleted(CommandController.java:141)
at com.sun.sunit.bugtraq.client.swing.view.BTCommandController.access$001(BTCommandController.java:13)
at com.sun.sunit.bugtraq.client.swing.view.BTCommandController$1.run(BTCommandController.java:33)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
at javax.swing.text.BoxView.checkRequests(Unknown Source)
at javax.swing.text.BoxView.setSpanOnAxis(Unknown Source)
at javax.swing.text.BoxView.layout(Unknown Source)
at javax.swing.text.BoxView.setSize(Unknown Source)
at javax.swing.text.WrappedPlainView.setSize(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI.getPreferredSize(Unknown Source)
at javax.swing.plaf.basic.BasicTextAreaUI.getPreferredSize(Unknown Source)
at javax.swing.JComponent.getPreferredSize(Unknown Source)
at javax.swing.JTextArea.getPreferredSize(Unknown Source)
at javax.swing.text.JTextComponent.getPreferredScrollableViewportSize(Unknown Source)
at javax.swing.JTextArea.getPreferredScrollableViewportSize(Unknown Source)
at javax.swing.ViewportLayout.preferredLayoutSize(Unknown Source)
at java.awt.Container.preferredSize(Unknown Source)
at java.awt.Container.getPreferredSize(Unknown Source)
at javax.swing.JComponent.getPreferredSize(Unknown Source)
at javax.swing.ScrollPaneLayout.preferredLayoutSize(Unknown Source)
at java.awt.Container.preferredSize(Unknown Source)
at java.awt.Container.getPreferredSize(Unknown Source)
at javax.swing.JComponent.getPreferredSize(Unknown Source)
at java.awt.GridBagLayout.GetLayoutInfo(Unknown Source)
at java.awt.GridBagLayout.getLayoutInfo(Unknown Source)
at java.awt.GridBagLayout.preferredLayoutSize(Unknown Source)
at java.awt.Container.preferredSize(Unknown Source)
at java.awt.Container.getPreferredSize(Unknown Source)
at javax.swing.JComponent.getPreferredSize(Unknown Source)
at javax.swing.plaf.basic.BasicTabbedPaneUI$TabbedPaneLayout.calculateSize(Unknown Source)
at javax.swing.plaf.basic.BasicTabbedPaneUI$TabbedPaneLayout.preferredLayoutSize(Unknown Source)
at java.awt.Container.preferredSize(Unknown Source)
at java.awt.Container.getPreferredSize(Unknown Source)
at javax.swing.JComponent.getPreferredSize(Unknown Source)
at java.awt.BorderLayout.preferredLayoutSize(Unknown Source)
at java.awt.Container.preferredSize(Unknown Source)
at java.awt.Container.getPreferredSize(Unknown Source)
at javax.swing.JComponent.getPreferredSize(Unknown Source)
at java.awt.GridBagLayout.GetLayoutInfo(Unknown Source)
at java.awt.GridBagLayout.getLayoutInfo(Unknown Source)
at java.awt.GridBagLayout.preferredLayoutSize(Unknown Source)
at java.awt.Container.preferredSize(Unknown Source)
at java.awt.Container.getPreferredSize(Unknown Source)
at javax.swing.JComponent.getPreferredSize(Unknown Source)
at javax.swing.ScrollPaneLayout.layoutContainer(Unknown Source)
at java.awt.Container.layout(Unknown Source)
at java.awt.Container.doLayout(Unknown Source)
at java.awt.Container.validateTree(Unknown Source)
at java.awt.Container.validate(Unknown Source)
at javax.swing.RepaintManager.validateInvalidComponents(Unknown Source)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
at javax.swing.text.BoxView.checkRequests(Unknown Source)
at javax.swing.text.BoxView.setSpanOnAxis(Unknown Source)
at javax.swing.text.BoxView.layout(Unknown Source)
at javax.swing.text.BoxView.setSize(Unknown Source)
at javax.swing.text.WrappedPlainView.setSize(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI.modelToView(Unknown Source)
at javax.swing.text.DefaultCaret.repaintNewCaret(Unknown Source)
at javax.swing.text.DefaultCaret$1.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
at javax.swing.text.BoxView.checkRequests(Unknown Source)
at javax.swing.text.BoxView.setSpanOnAxis(Unknown Source)
at javax.swing.text.BoxView.layout(Unknown Source)
at javax.swing.text.BoxView.setSize(Unknown Source)
at javax.swing.text.WrappedPlainView.setSize(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI.modelToView(Unknown Source)
at javax.swing.text.DefaultCaret.repaintNewCaret(Unknown Source)
at javax.swing.text.DefaultCaret$1.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at javax.swing.text.BoxView.calculateMinorAxisRequirements(Unknown Source)
at javax.swing.text.BoxView.checkRequests(Unknown Source)
at javax.swing.text.BoxView.setSpanOnAxis(Unknown Source)
at javax.swing.text.BoxView.layout(Unknown Source)
at javax.swing.text.BoxView.setSize(Unknown Source)
at javax.swing.text.WrappedPlainView.setSize(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI$RootView.setSize(Unknown Source)
at javax.swing.plaf.basic.BasicTextUI.modelToView(Unknown Source)
at javax.swing.text.DefaultCaret.repaintNewCaret(Unknown Source)
at javax.swing.text.DefaultCaret$1.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(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)