It would help if you could provide a bit more of the surrounding code, 
and explain exactly what you mean by "stuck".
If you're using a specific profile for the browser then there would be a 
conflict, but that command itself looks ok, unless each thread is 
overwriting the previous instance variable. Are your instances of 
@browser separated by multiple instances of a class?

-- 
Posted via http://www.ruby-forum.com/.