FULL PRODUCT VERSION :
jre 1.6 b105

ADDITIONAL OS VERSION INFORMATION :
Windows XP SP2

A DESCRIPTION OF THE PROBLEM :
When selecting a JInternalFrame with a canvas using jni and the canvas is in a JPanel the moveToFront casues a componentZorder call which removes the Canvas and causes an invalid window handle that causes the jni code to break.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Actually someone on the Sun developer team developed a simple test example to show the exception trace. The example is on the java.net site message forum:

http://forums.java.net/jive/thread.jspa?threadID=25806&tstart=0


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Should not cause movie that is in canvas to disappear.
ACTUAL -
Movie is unloaded from memory

ERROR MESSAGES/STACK TRACES THAT OCCUR :
Message in JNI code indicating WM_DESTROY and invalid window handle due to canvas peer being removed.

REPRODUCIBILITY :
This bug can be reproduced always.

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Actually someone on the Sun developer team develioped a simple test example to show the exception trace. The example is on the java.net site message forum:

http://forums.java.net/jive/thread.jspa?threadID=25806&tstart=0

---------- END SOURCE ----------