I am showing a null-parent window with a list added to it. A popup menu is added to the list. I am right clicking inside the list and navigating through the sub-menus. When all the sub-menus are visible, I am pressing 'Window' key + 'D' to invoke 'Show Desktop' action. All the windows are minimized to the taskbar except this null-parent window and the popup menu.

Now dispose the popup menu and trigger 'Show Desktop' twice. Once the window is back, repeat the above action (open popup menu and press 'windows' + 'D') a few times. You will see that only the list is getting restored and not the window.

This is reproducible since JDK6 only on Win32. Can not be reproduced on SolSparc. This is not happening with parented non-focusable window. Seen only with null parent windows.

To reproduce, run the attached test. Make sure there are no other native windows shown on the screen. Right click inside the list and trigger 'show desktop'. Repeat as described above.