Steps to reproduce:
1. Launch sun_mozilla1.2.1_05b,JRE1.4.1_02 on Solaris 9 CDE.
2. Open "Dither test/example1" of applet demo and open java console .
3. Click Choice "Red" or "Blue" .there are some exception on the console and some times it make mozilla cras.The exception and error log like following:
 --------------------------------------------------------------------------
java.lang.AbstractMethodError: java.awt.Window.getMostRecentFocusOwner()Ljava/awt/Component;
at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:514)
at java.awt.Component.dispatchEventImpl(Component.java:3509)
at java.awt.Container.dispatchEventImpl(Container.java:1623)
at java.awt.Window.dispatchEventImpl(Window.java:1590)
at java.awt.Component.dispatchEvent(Component.java:3480)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:450)
at java.awt.SequencedEvent.dispatch(SequencedEvent.java:91)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:448)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:144)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
--------------------------------------------------------------------------
Unexpected Signal : 10 occurred at PC=0xFAC1517C
Function=[Unknown.]
Library=(N/A)

NOTE: We are unable to locate the function name symbol for the error
      just occurred. Please refer to release documentation for possible
      reason and solutions.


Current Java thread:

Dynamic libraries:
0x10000 java_vm
0xff370000 /usr/lib/libthread.so.1
0xff3a0000 /usr/lib/libdl.so.1
0xff280000 /usr/lib/libc.so.1
0xff350000 /usr/platform/SUNW,Sun-Blade-100/lib/libc_psr.so.1
0xfec00000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/client/libjvm.so
0xff240000 /usr/lib/libCrun.so.1
0xff210000 /usr/lib/libsocket.so.1
0xff100000 /usr/lib/libnsl.so.1
0xff1e0000 /usr/lib/libm.so.1
0xff360000 /usr/lib/libw.so.1
0xff0e0000 /usr/lib/libmp.so.2
0xff0c0000 /usr/lib/librt.so.1
0xff0a0000 /usr/lib/libaio.so.1
0xff070000 /usr/lib/libmd5.so.1
0xfebe0000 /usr/platform/SUNW,Sun-Blade-100/lib/libmd5_psr.so.1
0xfebb0000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/native_threads/libh
pi.so
0xfeb70000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libverify.so
0xfeb30000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libjava.so
0xfeb10000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libzip.so
0xf2400000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libawt.so
0xf2380000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libmlib_image.so
0xfce10000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/motif21/libmawt.so
0xf2100000 /usr/lib/libXm.so.4
0xfcd10000 /usr/lib/libXt.so.4
0xfcc50000 /usr/lib/libXext.so.0
0xfcf10000 /usr/lib/libXtst.so.1
0xf2000000 /usr/lib/libX11.so.4
0xfab20000 /usr/openwin/lib/libdps.so.5
0xfcc20000 /usr/lib/libSM.so.6
0xfaa50000 /usr/lib/libICE.so.6
0xfaa10000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libjavaplugin_jni.s
o
0xfeae0000 /usr/lib/libintl.so.1
0xf1f00000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libfontmanager.so
0xfa950000 /usr/lib//liblayout.so
0xfa920000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libsunwjdga.so
0xfa850000 /usr/openwin/lib/libdga.so.1
0xfa820000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libjdgaSUNWm64.so
0xf26d0000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libnet.so
0xf2690000 /export/home/hjw/jdks/j2re1.4.1_02/lib/sparc/libdcpr.so

Local Time = Tue Feb 25 11:25:13 2003
Elapsed Time = 254
#
# HotSpot Virtual Machine Error : 10
# Error ID : 4F530E43505002E6 01
# Please report this error at
# http://java.sun.com/cgi-bin/bugreport.cgi
#
# Java VM: Java HotSpot(TM) Client VM (1.4.1_02-b06 mixed mode)
#
-------------------------------------------------------------------
Attachment the core file
###@###.### 10/26/04 07:19 GMT