J2SE Version (please include all output from java -version flag):
W:\borsotti\jtest>java -version
java version "1.6.0-rc"
Java(TM) SE Runtime Environment (build 1.6.0-rc-b98)
Java HotSpot(TM) Client VM (build 1.6.0-rc-b98, mixed mode, sharing)

Does this problem occur on J2SE 1.4.x or 5.0.x ? Yes / No (pick one)
not known

Operating System Configuration Information (be specific):
Windows XP Professional SP2


Hardware Configuration Information (be specific):
Intel Pentium III, 730 Mhz, 384 Mb RAM


Bug Description:
When resizing the window by dragging a corner with the mouse,
the panel receives entry/exit mouse events randomly.
These events should not occur because the mouse is not entering
or exiting the window, it is dragging a corner of its border.

Steps to Reproduce (be specific):

Compile and run the attached program. A window is displayed.
Move the mouse over a corner and drag it back and forth several
times. On the command prompt window, entry and exit mouse events
are traced. See the attached image that documents it.