<AWT Dev> 6840067 NPE at Component.findUnderMouseInWindow

[Artem Ananiev]

Thanks, Jason!

I have reopened this CR and attached your test/evaluation. I haven't 
tried to reproduce the bug as I don't have the proper environment.

Artem

On 6/8/2011 12:20 AM, Jason Mehrens wrote:
> Hello awt-dev,
>
> Bug 6840067 has been marked as Closed-Not Reproducible and I would like
> to get the issue reopened. Attached is a test case that explains "The
> when and why the PointerInfo becomes null." The test case is a modified
> copy of the MouseInfo.getPointerInfo. To reproduce the error you need a
> workstation with multiple displays that are dependent. In my case a
> windows vista machine with 2 monitors. Run the test case and then lock
> the desktop of the workstation. When you log back in to the machine the
> test fails because the mouse point is not contained in any of the
> graphics configurations. This causes the PointerInfo to be null, and
> Component.getMousePosition does not handle this case.
>
> Jason