The test java/awt/KeyboardFocusmanager/TypeAhead/TestDialogTypeAhead.html fails with the latest JDK 7 with the following output:

b is shown
b is focused
java.awt.event.KeyEvent[KEY_PRESSED,keyCode=32,keyText=Space,keyChar=' ',keyLocation=KEY_LOCATION_STANDARD] on button0
java.awt.event.KeyEvent[KEY_TYPED,keyCode=0,keyText=Unknown keyCode: 0x0,keyChar=' ',keyLocation=KEY_LOCATION_UNKNOWN] on button0
java.awt.event.KeyEvent[KEY_RELEASED,keyCode=32,keyText=Space,keyChar=' ',keyLocation=KEY_LOCATION_STANDARD] on button0
B pressed
java.lang.Error: Test error.
at TestDialogTypeAhead$TestDialog$1.invoke(TestDialogTypeAhead.java:327)
at $Proxy0.blockWindows(Unknown Source)
at java.awt.Dialog.blockWindows(Dialog.java:1586)
at java.awt.Dialog.modalShow(Dialog.java:1463)
at java.awt.Dialog.conditionalShow(Dialog.java:929)
at java.awt.Dialog.show(Dialog.java:1062)
at java.awt.Component.show(Component.java:1456)
at java.awt.Component.setVisible(Component.java:1408)
at java.awt.Window.setVisible(Window.java:871)
at java.awt.Dialog.setVisible(Dialog.java:1012)
at TestDialogTypeAhead$4.actionPerformed(TestDialogTypeAhead.java:138)
at java.awt.Button.processActionEvent(Button.java:410)
at java.awt.Button.processEvent(Button.java:378)
at java.awt.Component.dispatchEventImpl(Component.java:4461)
at java.awt.Component.dispatchEvent(Component.java:4287)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:605)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:276)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:191)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:186)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:178)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:139)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:623)
at TestDialogTypeAhead$TestDialog$1.invoke(TestDialogTypeAhead.java:323)
... 21 more
Caused by: java.lang.ClassCastException: $Proxy0 cannot be cast to sun.awt.X11.XDialogPeer
at sun.awt.X11.XWindowPeer.setModalBlocked(XWindowPeer.java:1379)
at sun.awt.X11.XDialogPeer.blockWindows(XDialogPeer.java:129)
... 26 more

Note that the test passes when run with JDK 6.