Deadlock is reported by one of the customers:

2009-01-26 12:42:20
Full thread dump Java HotSpot(TM) Server VM (14.0-b10 mixed mode):
 
"AWT-EventQueue-0" prio=10 tid=0x08223c00 nid=0x4852 waiting for monitor entry [0x6fac4000..0x6fac4eb0]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.awt.Component.invalidate(Component.java:2692)
        - waiting to lock <0xad0ce048> (a java.awt.Component$AWTTreeLock)
        at java.awt.Container.invalidate(Container.java:1453)
        at java.awt.Window.dispatchEventImpl(Window.java:2556)
        at java.awt.Component.dispatchEvent(Component.java:4404)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:605)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:286)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:201)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:191)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:186)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:178)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:139)
 
"AWT-Shutdown" prio=10 tid=0x0821e000 nid=0x4851 in Object.wait() [0x6fb15000..0x6fb15e30]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0xad204788> (a java.lang.Object)
        at java.lang.Object.wait(Object.java:502)
        at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:281)
        - locked <0xad204788> (a java.lang.Object)
        at java.lang.Thread.run(Thread.java:713)
 
"AWT-XAWT" daemon prio=10 tid=0x08210400 nid=0x4850 waiting for monitor entry [0x6fb66000..0x6fb66fb0]
   java.lang.Thread.State: BLOCKED (on object monitor)
        at java.awt.Frame.getExtendedState(Frame.java:808)
        - waiting to lock <0xad0e5b08> (a java.awt.Frame)
        at java.awt.Frame.paramString(Frame.java:970)
        at java.awt.Component.toString(Component.java:7814)
        at java.lang.String.valueOf(String.java:2838)
        at java.lang.StringBuilder.append(StringBuilder.java:128)
        at sun.awt.X11.XDecoratedPeer.requestWindowFocus(XDecoratedPeer.java:1170)
        at sun.awt.X11.XDecoratedPeer.handleWmTakeFocus(XDecoratedPeer.java:1041)
        at sun.awt.X11.XDecoratedPeer.handleClientMessage(XDecoratedPeer.java:1034)
        at sun.awt.X11.XBaseWindow.dispatchEvent(XBaseWindow.java:1074)
        at sun.awt.X11.XBaseWindow.dispatchToWindow(XBaseWindow.java:1056)
        at sun.awt.X11.XToolkit.dispatchEvent(XToolkit.java:504)
        at sun.awt.X11.XToolkit.run(XToolkit.java:599)
        at sun.awt.X11.XToolkit.run(XToolkit.java:534)
        at java.lang.Thread.run(Thread.java:713)
 
"Java2D Disposer" daemon prio=10 tid=0x081ec000 nid=0x484f in Object.wait() [0x6fc3d000..0x6fc3df30]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0xad1171d8> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:133)
        - locked <0xad1171d8> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:149)
        at sun.java2d.Disposer.run(Disposer.java:143)
        at java.lang.Thread.run(Thread.java:713)
 
"Low Memory Detector" daemon prio=10 tid=0x70002c00 nid=0x484d runnable [0x00000000..0x00000000]
   java.lang.Thread.State: RUNNABLE
 
"CompilerThread1" daemon prio=10 tid=0x70000800 nid=0x484c waiting on condition [0x00000000..0x6fffe2c8]
   java.lang.Thread.State: RUNNABLE
 
"CompilerThread0" daemon prio=10 tid=0x08108800 nid=0x484b waiting on condition [0x00000000..0x7018c358]
   java.lang.Thread.State: RUNNABLE
 
"Signal Dispatcher" daemon prio=10 tid=0x08107000 nid=0x484a waiting on condition [0x00000000..0x00000000]
   java.lang.Thread.State: RUNNABLE
 
"Finalizer" daemon prio=10 tid=0x080f7c00 nid=0x4849 in Object.wait() [0x70261000..0x70261e30]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0xad050b30> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:133)
        - locked <0xad050b30> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:149)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:177)
 
"Reference Handler" daemon prio=10 tid=0x080f3400 nid=0x4848 in Object.wait() [0x702b2000..0x702b2fb0]
   java.lang.Thread.State: WAITING (on object monitor)
        at java.lang.Object.wait(Native Method)
        - waiting on <0xad050a38> (a java.lang.ref.Reference$Lock)
        at java.lang.Object.wait(Object.java:502)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
        - locked <0xad050a38> (a java.lang.ref.Reference$Lock)
 
"main" prio=10 tid=0x08050400 nid=0x4842 waiting on condition [0xb727b000..0xb727c2d8]
   java.lang.Thread.State: WAITING (parking)
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for <0xad0ec368> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:769)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:802)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1132)
        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
        at sun.awt.SunToolkit.awtLock(SunToolkit.java:269)
        at sun.awt.X11.XAwtState.getComponentMouseEntered(XAwtState.java:61)
        at sun.awt.X11.XGlobalCursorManager.findHeavyweightUnderCursor(XGlobalCursorManager.java:169)
        at sun.awt.X11.XGlobalCursorManager.findHeavyweightUnderCursor(XGlobalCursorManager.java:185)
        at sun.awt.GlobalCursorManager._updateCursor(GlobalCursorManager.java:179)
        at sun.awt.GlobalCursorManager.updateCursorImmediately(GlobalCursorManager.java:95)
        at sun.awt.X11.XComponentPeer.updateCursorImmediately(XComponentPeer.java:838)
        at java.awt.Component.updateCursorImmediately(Component.java:2846)
        at java.awt.Component.show(Component.java:1458)
        - locked <0xad0ce048> (a java.awt.Component$AWTTreeLock)
        at java.awt.Window.show(Window.java:903)
        at java.awt.Component.show(Component.java:1483)
        at java.awt.Component.setVisible(Component.java:1435)
        at java.awt.Window.setVisible(Window.java:875)
        at javasoft.sqe.jck.lib.awt.ComponentShow.makeVisible(ComponentShow.java:37)
        - locked <0xad0e5b08> (a java.awt.Frame)
        at javasoft.sqe.tests.api.java.awt.Component.getLocationOnScreenTests.Component2053(getLocationOnScreenTests.java:55)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:623)
        at javasoft.sqe.javatest.lib.MultiTest.invokeTestCase(MultiTest.java:406)
        at javasoft.sqe.javatest.lib.MultiTest.run(MultiTest.java:195)
        at javasoft.sqe.javatest.lib.MultiTest.run(MultiTest.java:127)
        at javasoft.sqe.tests.api.java.awt.Component.getLocationOnScreenTests.main(getLocationOnScreenTests.java:31)
 
"VM Thread" prio=10 tid=0x080ef400 nid=0x4847 runnable
 
"GC task thread#0 (ParallelGC)" prio=10 tid=0x08057000 nid=0x4843 runnable
 
"GC task thread#1 (ParallelGC)" prio=10 tid=0x08058800 nid=0x4844 runnable
 
"GC task thread#2 (ParallelGC)" prio=10 tid=0x08059c00 nid=0x4845 runnable
 
"GC task thread#3 (ParallelGC)" prio=10 tid=0x0805b400 nid=0x4846 runnable
 
"VM Periodic Task Thread" prio=10 tid=0x70004c00 nid=0x484e waiting on condition
 
JNI global references: 736
 
 
Found one Java-level deadlock:
=============================
"AWT-EventQueue-0":
  waiting to lock monitor 0x080f6f2c (object 0xad0ce048, a java.awt.Component$AWTTreeLock),
  which is held by "main"
"main":
  waiting for ownable synchronizer 0xad0ec368, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),
  which is held by "AWT-XAWT"
"AWT-XAWT":
  waiting to lock monitor 0x080f6d9c (object 0xad0e5b08, a java.awt.Frame),
  which is held by "main"
 
Java stack information for the threads listed above:
===================================================
"AWT-EventQueue-0":
        at java.awt.Component.invalidate(Component.java:2692)
        - waiting to lock <0xad0ce048> (a java.awt.Component$AWTTreeLock)
        at java.awt.Container.invalidate(Container.java:1453)
        at java.awt.Window.dispatchEventImpl(Window.java:2556)
        at java.awt.Component.dispatchEvent(Component.java:4404)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:605)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:286)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:201)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:191)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:186)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:178)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:139)
"main":
        at sun.misc.Unsafe.park(Native Method)
        - parking to wait for <0xad0ec368> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
        at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:769)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:802)
        at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1132)
        at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:214)
        at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:290)
        at sun.awt.SunToolkit.awtLock(SunToolkit.java:269)
        at sun.awt.X11.XAwtState.getComponentMouseEntered(XAwtState.java:61)
        at sun.awt.X11.XGlobalCursorManager.findHeavyweightUnderCursor(XGlobalCursorManager.java:169)
        at sun.awt.X11.XGlobalCursorManager.findHeavyweightUnderCursor(XGlobalCursorManager.java:185)
        at sun.awt.GlobalCursorManager._updateCursor(GlobalCursorManager.java:179)
        at sun.awt.GlobalCursorManager.updateCursorImmediately(GlobalCursorManager.java:95)
        at sun.awt.X11.XComponentPeer.updateCursorImmediately(XComponentPeer.java:838)
        at java.awt.Component.updateCursorImmediately(Component.java:2846)
        at java.awt.Component.show(Component.java:1458)
        - locked <0xad0ce048> (a java.awt.Component$AWTTreeLock)
        at java.awt.Window.show(Window.java:903)
        at java.awt.Component.show(Component.java:1483)
        at java.awt.Component.setVisible(Component.java:1435)
        at java.awt.Window.setVisible(Window.java:875)
        at javasoft.sqe.jck.lib.awt.ComponentShow.makeVisible(ComponentShow.java:37)
        - locked <0xad0e5b08> (a java.awt.Frame)
        at javasoft.sqe.tests.api.java.awt.Component.getLocationOnScreenTests.Component2053(getLocationOnScreenTests.java:55)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:623)
        at javasoft.sqe.javatest.lib.MultiTest.invokeTestCase(MultiTest.java:406)
        at javasoft.sqe.javatest.lib.MultiTest.run(MultiTest.java:195)
        at javasoft.sqe.javatest.lib.MultiTest.run(MultiTest.java:127)
        at javasoft.sqe.tests.api.java.awt.Component.getLocationOnScreenTests.main(getLocationOnScreenTests.java:31)
"AWT-XAWT":
        at java.awt.Frame.getExtendedState(Frame.java:808)
        - waiting to lock <0xad0e5b08> (a java.awt.Frame)
        at java.awt.Frame.paramString(Frame.java:970)
        at java.awt.Component.toString(Component.java:7814)
        at java.lang.String.valueOf(String.java:2838)
        at java.lang.StringBuilder.append(StringBuilder.java:128)
        at sun.awt.X11.XDecoratedPeer.requestWindowFocus(XDecoratedPeer.java:1170)
        at sun.awt.X11.XDecoratedPeer.handleWmTakeFocus(XDecoratedPeer.java:1041)
        at sun.awt.X11.XDecoratedPeer.handleClientMessage(XDecoratedPeer.java:1034)
        at sun.awt.X11.XBaseWindow.dispatchEvent(XBaseWindow.java:1074)
        at sun.awt.X11.XBaseWindow.dispatchToWindow(XBaseWindow.java:1056)
        at sun.awt.X11.XToolkit.dispatchEvent(XToolkit.java:504)
        at sun.awt.X11.XToolkit.run(XToolkit.java:599)
        at sun.awt.X11.XToolkit.run(XToolkit.java:534)
        at java.lang.Thread.run(Thread.java:713)
 
Found 1 deadlock.
 
Heap
 PSYoungGen total 6272K, used 1961K [0xad050000, 0xad750000, 0xb40f0000)
  eden space 5376K, 36% used [0xad050000,0xad23a458,0xad590000)
  from space 896K, 0% used [0xad670000,0xad670000,0xad750000)
  to space 896K, 0% used [0xad590000,0xad590000,0xad670000)
 PSOldGen total 57664K, used 0K [0x74af0000, 0x78340000, 0xad050000)
  object space 57664K, 0% used [0x74af0000,0x74af0000,0x78340000)
 PSPermGen total 16384K, used 5719K [0x70af0000, 0x71af0000, 0x74af0000)
  object space 16384K, 34% used [0x70af0000,0x71085e88,0x71af0000)