On Tue, Mar 20, 2012 at 6:28 AM, Thomas Pfaff <thomas.pfaff@iws.uni-stuttgart.de> wrote: > in the meantime I reinstalled Firefox 10.0 and updated Tornado to Version 2.2 (the current version on PyPi according to easy_install) to no avail. Very strange... Could you try with chrome and let us know if you get the same behavior?