Hudson + Tomcat 5.5 jdk 1.6_01
IE7 web broswer.

go to the hudson URL
click login in the top right of the window
enter a bogus username/password to get an incorrect login

view the incorrect page.
click login in the top right of the window
enter a correct username/password.

Expected results:
get a successfull login page or redirected back to the main hudson page as an
authenticated user

Actual results:
am successfully authenticated but the "Invalid login information. Please try
again" is still present.

This does not seem to occur if the second attempt to login uses the "Try Again"
link