Ruby on Rails

On Sat, Feb 14, 2015 at 12:01 AM, Frédéric Champreux
<lists@ruby-forum.com> wrote:
> Trying to upgrade from Ruby 2.0 / Rails 4.0 to Ruby 2.2 / Rails 4.2, I
> face a surprising error when logging into my application (based on Rails
> Tutorial by M. Hartl):
>
> Controller: SessionsController#create
> Instruction: redirect_to root_url
> Error message: wrong number of arguments (2 for 1)

probly the redirect_to is not clean. check its code. (compare w the
newly installed railstutorial)
usually when you upgrade rails/ruby to maj ver, youd also want to
upgrade the gems...

kind regards --botp

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