Build #144

To reproduce:
Run artifacts/apps/internal/SwingBrowser.jar
Close the tab by clicking on the X mark.

Here's the stack trace:

$ jstack 87173
2011-10-25 13:11:15
Full thread dump Java HotSpot(TM) 64-Bit Server VM (16.3-b01-279 mixed mode):

"Attach Listener" daemon prio=9 tid=101a47800 nid=0x12c097000 waiting on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"TimerQueue" daemon prio=5 tid=101afd800 nid=0x12c29b000 in Object.wait() [12c29a000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <1079a0220> (a javax.swing.TimerQueue)
at javax.swing.TimerQueue.run(TimerQueue.java:232)
- locked <1079a0220> (a javax.swing.TimerQueue)
at java.lang.Thread.run(Thread.java:637)

"Disposer" daemon prio=10 tid=1030bb000 nid=0x12b8e2000 in Object.wait() [12b8e1000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <107dde8b0> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <107dde8b0> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at com.sun.webpane.platform.Disposer.run(Disposer.java:65)
at java.lang.Thread.run(Thread.java:637)

"Timer-0" daemon prio=6 tid=103202800 nid=0x12b677000 in Object.wait() [12b676000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <107dde9c0> (a java.util.TaskQueue)
at java.lang.Object.wait(Object.java:485)
at java.util.TimerThread.mainLoop(Timer.java:483)
- locked <107dde9c0> (a java.util.TaskQueue)
at java.util.TimerThread.run(Timer.java:462)

"Glass Timer Thread" daemon prio=9 tid=101949800 nid=0x12b471000 runnable [00000000]
   java.lang.Thread.State: RUNNABLE

"Disposer" daemon prio=10 tid=103102000 nid=0x12b2cf000 in Object.wait() [12b2ce000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <107ddec78> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <107ddec78> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at com.sun.glass.utils.Disposer.run(Disposer.java:69)
at java.lang.Thread.run(Thread.java:637)

"QuantumRenderer-0" daemon prio=6 tid=101949000 nid=0x12a8b7000 waiting on condition [12a8b6000]
   java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <107ddee48> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1925)
at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.run(QuantumRenderer.java:101)
at java.lang.Thread.run(Thread.java:637)

"DestroyJavaVM" prio=5 tid=103000800 nid=0x100501000 waiting on condition [00000000]
   java.lang.Thread.State: RUNNABLE

"AWT-EventQueue-0" prio=6 tid=103110000 nid=0x12a7b4000 runnable [12a7b1000]
   java.lang.Thread.State: RUNNABLE
at apple.awt.CComponent._requestFocus(Native Method)
at apple.awt.CComponent.requestFocus(CComponent.java:56)
at java.awt.Component.requestFocusHelper(Component.java:7497)
at java.awt.Component.requestFocusHelper(Component.java:7458)
at java.awt.Component.requestFocusInWindow(Component.java:7384)
at javax.swing.JComponent.requestFocusInWindow(JComponent.java:1498)
at swingbrowser.components.AddressBar.requestFocusInWindow(AddressBar.java:58)
at swingbrowser.components.AddressBar$9.hierarchyChanged(AddressBar.java:123)
at java.awt.Component.processHierarchyEvent(Component.java:6515)
at java.awt.Component.processEvent(Component.java:6134)
at java.awt.Container.processEvent(Container.java:2085)
at java.awt.Component.dispatchEventImpl(Component.java:4714)
at java.awt.Container.dispatchEventImpl(Container.java:2143)
at java.awt.Component.dispatchEvent(Component.java:4544)
at java.awt.Component.createHierarchyEvents(Component.java:5364)
at java.awt.Container.createHierarchyEvents(Container.java:1360)
at java.awt.Container.createHierarchyEvents(Container.java:1357)
at java.awt.Container.createHierarchyEvents(Container.java:1357)
at java.awt.Container.addImpl(Container.java:1088)
- locked <107f2c7f0> (a java.awt.Component$AWTTreeLock)
at javax.swing.JTabbedPane.insertTab(JTabbedPane.java:703)
at swingbrowser.TabbedBrowser.addNewTab(TabbedBrowser.java:110)
at swingbrowser.TabbedBrowser.addNewTab(TabbedBrowser.java:104)
at swingbrowser.TabbedBrowser.addNewTab(TabbedBrowser.java:143)
at swingbrowser.TabbedBrowser$2.stateChanged(TabbedBrowser.java:87)
at javax.swing.JTabbedPane.fireStateChanged(JTabbedPane.java:400)
at javax.swing.JTabbedPane$ModelListener.stateChanged(JTabbedPane.java:253)
at javax.swing.DefaultSingleSelectionModel.fireStateChanged(DefaultSingleSelectionModel.java:116)
at javax.swing.DefaultSingleSelectionModel.setSelectedIndex(DefaultSingleSelectionModel.java:50)
at javax.swing.JTabbedPane.setSelectedIndexImpl(JTabbedPane.java:599)
at javax.swing.JTabbedPane.removeTabAt(JTabbedPane.java:958)
at javax.swing.JTabbedPane.remove(JTabbedPane.java:1005)
at swingbrowser.TabbedBrowser.closeTab(TabbedBrowser.java:182)
at swingbrowser.components.ButtonTabComponent$TabButton.actionPerformed(ButtonTabComponent.java:105)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
at java.awt.Component.processMouseEvent(Component.java:6348)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6113)
at java.awt.Container.processEvent(Container.java:2085)
at java.awt.Component.dispatchEventImpl(Component.java:4714)
at java.awt.Container.dispatchEventImpl(Container.java:2143)
at java.awt.Component.dispatchEvent(Component.java:4544)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4618)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4282)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4212)
at java.awt.Container.dispatchEventImpl(Container.java:2129)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4544)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:635)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

"Java2D Disposer" daemon prio=10 tid=101a27800 nid=0x12a6b1000 in Object.wait() [12a6b0000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <107e5a920> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <107e5a920> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at sun.java2d.Disposer.run(Disposer.java:125)
at java.lang.Thread.run(Thread.java:637)

"AWT-Shutdown" prio=5 tid=101ad3000 nid=0x1279bd000 in Object.wait() [1279bc000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <107e5aac0> (a java.lang.Object)
at java.lang.Object.wait(Object.java:485)
at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:265)
- locked <107e5aac0> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:637)

"JavaFX Application Thread" daemon prio=5 tid=10305b000 nid=0x7fff710fcbe0 waiting for monitor entry [7fff5fbfb000]
   java.lang.Thread.State: BLOCKED (on object monitor)
at java.awt.Container.findComponentAtImpl(Container.java:2530)
- waiting to lock <107f2c7f0> (a java.awt.Component$AWTTreeLock)
at java.awt.Container.findComponentAt(Container.java:2518)
at apple.awt.CGlobalCursorManager.findComponentAt(Native Method)
at apple.awt.CGlobalCursorManager._updateCursor(CGlobalCursorManager.java:145)
at apple.awt.CGlobalCursorManager.updateCursorImmediately(CGlobalCursorManager.java:75)
at apple.awt.ComponentModel.updateCursorImmediately(ComponentModel.java:166)
at java.awt.Component.updateCursorImmediately(Component.java:2919)
at java.awt.Component.setCursor(Component.java:2903)
at javafx.embed.swing.JFXPanel$HostContainer.setCursor(JFXPanel.java:650)
at com.sun.javafx.tk.quantum.EmbeddedScene.setCursor(EmbeddedScene.java:375)
at javafx.scene.Scene$MouseHandler.updateCursorFrame(Scene.java:2837)
at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:1811)
at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:292)
at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:385)
at com.sun.javafx.tk.quantum.QuantumToolkit$8.run(QuantumToolkit.java:311)

"Low Memory Detector" daemon prio=5 tid=101840800 nid=0x11730d000 runnable [00000000]
   java.lang.Thread.State: RUNNABLE