There are two DnD tests crashed in windowsXPpro swat testing machine with jdk7 b102 swat build, even the crash is not reproducible in my office winXPpro sp3 machine, but still need an investigation on what is the cause.

Here are the information:
the tests are:
AWT_DnD/Basic_DnD/Automated/DnDMerlinQL/SingleJVM/DnDMerlinQLTestsuite_DnDFileListTest
AWT_DnD/DnDClassLoader/Automated/source/DnDMerlinQLTestsuite_DnDImageTest

1, the crash log can be found:
http://sqeweb.sfbay.sun.com/nfs/results/vm/gtee/JDK6UR/SWAT/VM/6-swat/2010-07-23/awt/windows-i586-only/client/mixed/windows-i586-only_client_mixed_awt.swat/ResultDir/DnDMerlinQLTestsuite_DnDFileListTest//hs_err_pid284.log

http://sqeweb.sfbay.sun.com/nfs/results/vm/gtee/JDK6UR/SWAT/VM/6-swat/2010-07-23/awt/windows-i586-only/client/mixed/windows-i586-only_client_mixed_awt.swat/ResultDir/DnDMerlinQLTestsuite_DnDImageTest//hs_err_pid15224.log

2, source code can be found as attachments.
also can be found below:
http://sqe-hg.sfbay.sun.com/hg/index.cgi/testbase/javase/functional/7/awt/file/32bcb3aeb2fb/src/AWT_DnD/Basic_DnD/Automated/DnDMerlinQL/SingleJVM/DnDMerlinQLTestsuite_DnDFileListTest

http://sqe-hg.sfbay.sun.com/hg/index.cgi/testbase/javase/functional/7/awt/file/32bcb3aeb2fb/src/AWT_DnD/DnDClassLoader/Automated/source/DnDMerlinQLTestsuite_DnDImageTest

3, more output files are:
http://sqeweb.sfbay.sun.com/nfs/results/vm/gtee/JDK6UR/SWAT/VM/6-swat/2010-07-23/awt/windows-i586-only/client/mixed/windows-i586-only_client_mixed_awt.swat/analysis.html

4, How to reproduce the problem:
Run the test in windowsXPpro SP3