FULL PRODUCT VERSION :
Mustang b59 fastdebug

ADDITIONAL OS VERSION INFORMATION :
XP SP2

A DESCRIPTION OF THE PROBLEM :
Jconsole ran into a deadlock.

Found one Java-level deadlock:
=============================
"Worker-MBeans-3912":
  waiting to lock monitor 0x00986594 (object 0x10516af8, a java.awt.Component$AW
TTreeLock),
  which is held by "AWT-EventQueue-0"
"AWT-EventQueue-0":
  waiting to lock monitor 0x0098652c (object 0x107718a8, a sun.tools.jconsole.in
spector.XMBeanAttributes),
  which is held by "Worker-MBeans-3912"

Java stack information for the threads listed above:
===================================================
"Worker-MBeans-3912":
        at java.awt.Container.remove(Container.java:1159)
        - waiting to lock <0x10516af8> (a java.awt.Component$AWTTreeLock)
        at javax.swing.JTable.removeEditor(JTable.java:5620)
        at javax.swing.JTable.editingCanceled(JTable.java:4497)
        at sun.tools.jconsole.inspector.XTextFieldEditor.fireEditingCanceled(XTe
xtFieldEditor.java:63)
        at sun.tools.jconsole.inspector.XTextFieldEditor.cancelCellEditing(XText
FieldEditor.java:69)
        at sun.tools.jconsole.inspector.XMBeanAttributes.loadAttributes(XMBeanAt
tributes.java:439)
        - locked <0x107718a8> (a sun.tools.jconsole.inspector.XMBeanAttributes)
        at sun.tools.jconsole.inspector.XSheet$XMBeanPane.load(XSheet.java:577)
        at sun.tools.jconsole.inspector.XSheet$XMBeanPane.setSelectedIndex(XShee
t.java:558)
        at sun.tools.jconsole.inspector.XSheet$XMBeanPane.setSelectedIndex(XShee
t.java:551)
        at sun.tools.jconsole.inspector.XSheet$1.run(XSheet.java:250)
        at sun.tools.jconsole.Worker.run(Worker.java:37)
"AWT-EventQueue-0":
        at sun.tools.jconsole.inspector.XMBeanAttributes.getRowCount(XMBeanAttri
butes.java:298)
        - waiting to lock <0x107718a8> (a sun.tools.jconsole.inspector.XMBeanAtt
ributes)
        at javax.swing.plaf.basic.BasicTableUI.paint(BasicTableUI.java:1691)
        at javax.swing.plaf.ComponentUI.update(ComponentUI.java:143)
        at javax.swing.JComponent.paintComponent(JComponent.java:710)
        at javax.swing.JComponent.paint(JComponent.java:975)
        at javax.swing.JComponent.paintChildren(JComponent.java:811)
        - locked <0x10516af8> (a java.awt.Component$AWTTreeLock)
        at javax.swing.JComponent.paint(JComponent.java:984)
        at javax.swing.JViewport.paint(JViewport.java:740)
        at javax.swing.JComponent.paintChildren(JComponent.java:811)
        - locked <0x10516af8> (a java.awt.Component$AWTTreeLock)
        at javax.swing.JComponent.paint(JComponent.java:984)
        at javax.swing.JComponent.paintChildren(JComponent.java:811)
        - locked <0x10516af8> (a java.awt.Component$AWTTreeLock)
        at javax.swing.JComponent.paint(JComponent.java:984)
        at javax.swing.JComponent.paintChildren(JComponent.java:811)
        - locked <0x10516af8> (a java.awt.Component$AWTTreeLock)
        at javax.swing.JComponent.paint(JComponent.java:984)
        at javax.swing.JComponent.paintChildren(JComponent.java:811)
        - locked <0x10516af8> (a java.awt.Component$AWTTreeLock)
        at javax.swing.JSplitPane.paintChildren(JSplitPane.java:1021)
        at javax.swing.JComponent.paint(JComponent.java:984)
        at javax.swing.JComponent.paintChildren(JComponent.java:811)
        - locked <0x10516af8> (a java.awt.Component$AWTTreeLock)
        at javax.swing.JComponent.paint(JComponent.java:984)
        at javax.swing.JComponent.paintChildren(JComponent.java:811)
        - locked <0x10516af8> (a java.awt.Component$AWTTreeLock)
        at javax.swing.JComponent.paint(JComponent.java:984)
        at javax.swing.JComponent.paintChildren(JComponent.java:811)
        - locked <0x10516af8> (a java.awt.Component$AWTTreeLock)
        at javax.swing.JComponent.paint(JComponent.java:984)
        at javax.swing.JComponent.paintToOffscreen(JComponent.java:5077)
        at javax.swing.BufferStrategyPaintManager.paint(BufferStrategyPaintManag
er.java:279)
        at javax.swing.RepaintManager.paint(RepaintManager.java:1079)
        at javax.swing.JComponent._paintImmediately(JComponent.java:5025)
        at javax.swing.JComponent.paintImmediately(JComponent.java:4843)
        at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:688)

        at javax.swing.RepaintManager.paintDirtyRegions(RepaintManager.java:644)

        at javax.swing.RepaintManager.seqPaintDirtyRegions(RepaintManager.java:6
24)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(System
EventQueueUtilities.java:128)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThre
ad.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.
java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)

        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)

        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)

Found 1 deadlock.



STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Hard to tell. I was on the mbeans tab and changed from the memory mbean to the next one.



REPRODUCIBILITY :
This bug can be reproduced always.