[vtkusers] Crashes in Java wrapped vtk on linux because of xcb problems

[Luke Dodd]

HI Clemens,

> As said above, I am using neither the vtkPanel or vtkCanvas, but rather
> the vtkRenderWindowPanel directly. Anyway, I tried using the vtkCanvas
> for a change, but the crash is still persistent even then.
>
> So I am very interested in trying out your solution, that would be a great
> help. Maybe I could even confirm some of my own theories why it crashes :)
>
>

vtkRenderWindowPanel is derived from vtkCanvas, it does pretty much
the same thing so my approach could help you. I'll try to get it on
github tonight.

Best Regards,
Luke Dodd