Testsuite name: JCK-interactive
JDK/JRE tested: j2sdkfb-1_4_2_25-fcs-bin-b01-linux-i586-03_dec_2009.bin
OS/architecture: Oracle_Enterprise_Linux_5.4-x64
Reproducible: Always
Is it a platform specific regression: N
Is it a Regression: N

Steps to reproduce:
1. launch test case of /api/java_awt/interactive/WindowTest.html#WindowTest
2. click the buttons shown to verify the expected behavior

Actual results:
The red window not move to the back after clicking "toBack" button.

Validation:
1. same config use 1.4.2_25b02,1.4.2_25b03,1.4.2_25b05 get failed
2. same config use 5u23b05 get passed