Weird error

hi!

while attempting to connect from the browser. i get this error from the
dos shell where webrick is started:

ERROR bad Request-Line '<some special chars> 9 8 5 3 2 <some special

'

127.0.0.1 -- [datetime ] '<some special chars> 9 8 5 3 2 <some special

' 400 323

- ->

i don't understand, this test application used to run without any
problems.

ruby 1.8.6
rails 1.2.3

thanks a lot!

joey