The thread dump below was generated from a deadlocked application based on JDK 1.2.2_05a. This is difficult to reproduce but has been seen atleast twice.

SIGQUIT
A SIGQUIT has been received.
FOUND A JAVA LEVEL DEADLOCK:
---------------------------
t@237 waiting to lock object@0xd907fd78:"sun/awt/motif/MToolkit"
         which is locked by t@7
t@7 waiting to lock object@0xdd44119c:"java/awt/Component$AWTTreeLock"
         which is locked by t@237

JAVA STACK INFORMATION FOR THREADS LISTED ABOVE:
-----------------------------------------------

Java Stack for t@237 (EE = 0x2d21248) "Thread-114" :
==========
[1] java.awt.Toolkit.removeAWTEventListener(Toolkit.java:1162)
[2] java.awt.LightweightDispatcher$2.run(Container.java)
[3] java.security.AccessController.doPrivileged(Native Method)
[4]
java.awt.LightweightDispatcher.stopListeningForOtherDrags(Container.java:1970)

[5] java.awt.LightweightDispatcher.dispose(Container.java:1673)
[6] java.awt.Container.removeNotify(Container.java:1433)
[7] java.awt.Container.removeNotify(Container.java:1433)
[8] javax.swing.JComponent.removeNotify(JComponent.java:3384)
[9] java.awt.Container.removeNotify(Container.java:1433)
[10] java.awt.Container.removeNotify(Container.java:1433)
[11] java.awt.Container.removeNotify(Container.java:1433)
[12] java.awt.Container.removeNotify(Container.java:1433)
[13] javax.swing.JComponent.removeNotify(JComponent.java:3384)
[14] java.awt.Container.remove(Container.java:373)
[15] java.awt.ScrollPane.addNotify(ScrollPane.java:489)
[16] java.awt.Container.addNotify(Container.java:1406)
[17] javax.swing.JComponent.addNotify(JComponent.java:3357)
[18] java.awt.Container.addNotify(Container.java:1406)
[19] java.awt.Panel.addNotify(Panel.java:74)
[20] java.awt.Container.addNotify(Container.java:1406)
[21] java.awt.Panel.addNotify(Panel.java:74)
[22] java.awt.Container.addNotify(Container.java:1406)
[23] java.awt.Panel.addNotify(Panel.java:74)
[24] java.awt.Container.addNotify(Container.java:1406)
[25] java.awt.Panel.addNotify(Panel.java:74)
[26] java.awt.Container.addImpl(Container.java:297)
[27] java.awt.Container.add(Container.java:221)
[28]
com.fujitsu.fnc.nms.fenics.gui.config.GUI_NeView.initialize(GUI_NeView.java:346)

[29]
com.ibm.webrunner.beanworks.desktop.ComponentController.setView(ComponentController.java:211)

[30]
com.fujitsu.fnc.nms.fenics.gui.gcf.FGComponent.setView(FGComponent.java:145)

[31]
com.fujitsu.fnc.nms.fenics.gui.gcf.FGComponent.setView(FGComponent.java:140)

[32] com.fujitsu.fnc.nms.fenics.gui.config.GUI_Ne.init(GUI_Ne.java:117)
[33]
com.fujitsu.fnc.nms.fenics.gui.config.GUI_Ne.setContext(GUI_Ne.java:235)

[34]
com.fujitsu.fnc.nms.fenics.gui.gcf.FGComponent.restore(FGComponent.java:343)

[35]
com.fujitsu.fnc.nms.fenics.gui.gcf.StartCompThread.run(StartCompThread.java:78)

Java Stack for t@7 (EE = 0x58d530) "AWT-EventQueue-0" :
==========
[1] java.awt.LightweightDispatcher.eventDispatched(Container.java:1985)
[2]
java.awt.Toolkit$SelectiveAWTEventListener.eventDispatched(Toolkit.java:1251)

[3] java.awt.Toolkit.notifyAWTEventListeners(Toolkit.java:1191)
[4] java.awt.Component.dispatchEventImpl(Component.java:2316)
[5] java.awt.Container.dispatchEventImpl(Container.java:1048)
[6] java.awt.Component.dispatchEvent(Component.java:2312)
[7]
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:2041)
[8]
java.awt.LightweightDispatcher.processMouseEvent(Container.java:1821)
[9] java.awt.LightweightDispatcher.dispatchEvent(Container.java:1750)
[10] java.awt.Container.dispatchEventImpl(Container.java:1048)
[11] java.awt.Component.dispatchEvent(Component.java:2312)
[12] java.awt.EventQueue.dispatchEvent(EventQueue.java:296)
[13]
java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:100)
[14]
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:91)
[15] java.awt.EventDispatchThread.run(EventDispatchThread.java:83)
-----------------------------------------------
Found 1 deadlock

Full Thread dump is attached to the bug report