FULL PRODUCT VERSION :
java version "1.5.0_04"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_04-b05)
Java HotSpot(TM) Client VM (build 1.5.0_04-b05, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Windows XP Professional with SP1a (Simplified Chinese)

EXTRA RELEVANT SYSTEM CONFIGURATION :
NetVista M42 8307-41C (CPU: Pentium 4 2.4GHz, Memory: 512MB, Video: Intel 82845G)

A DESCRIPTION OF THE PROBLEM :
Running SwingSet2 demo with CityIM, java thrown the following message:
Exception in thread "AWT-EventQueue-0" java.awt.IllegalComponentStateException:
component must be showing on the screen to determine its location

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. Run demo: "java -jar SwingSet2.jar"
2. Activate City Input Method
3. Go to JColorChooserDemo panel
4. Click "Background" button, selected any color, then click "OK"


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The demo should run is normal
ACTUAL -
Exception in thread "AWT-EventQueue-0" java.awt.IllegalComponentStateException:
component must be showing on the screen to determine its location

ERROR MESSAGES/STACK TRACES THAT OCCUR :
Exception in thread "AWT-EventQueue-0" java.awt.IllegalComponentStateException:
component must be showing on the screen to determine its location
        at java.awt.Component.getLocationOnScreen_NoTreeLock(Component.java:1678
)
        at java.awt.Component.getLocationOnScreen(Component.java:1652)
        at com.sun.demos.cityim.internal.CityInputMethod.dispatchEvent(CityInput
Method.java:369)
        at sun.awt.im.InputContext.dispatchEvent(InputContext.java:238)
        at sun.awt.im.InputMethodContext.dispatchEvent(InputMethodContext.java:1
80)
        at java.awt.Component.dispatchEventImpl(Component.java:3902)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212
)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3901)

        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1774)
        at java.awt.Component.dispatchEvent(Component.java:3803)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchTh
read.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThre
ad.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)

        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)

        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)

REPRODUCIBILITY :
This bug can be reproduced always.

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\demo\jfc\SwingSet2\SwingSet2.jar
---------- END SOURCE ----------