Rails - Jun 2008 - From Instant Rails 2.0 to Rails 2.1.0 - cache problem

i''m trying to update to rails 2.1 using instant rails, so i can use
the
new cache features, but when i try to use the method
"Rails.cache.write"
in my controller,  i get the message

"undefined method `cache'' for Rails:Module (NoMethodError)"

and if i try to set the cache store
("ActionController::Base.cache_store = :memory_store")
in a conf file, i get: "undefined method `cache_store='' for
ActionController::Base:Class (NoMethodError)"

the version message for ("rails -v") is "Rails 2.1.0", so i
assume
that
the version is ok. does anyone know what could be the problem? thanks.

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double post, please ignore (or delete). i posted
it hours ago through google groups and only now
it appeared. i''ll post here directly next time.
-- 
Posted via http://www.ruby-forum.com/.

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On Jun 24, 2:53 am, Pepe Junty
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> double post, please ignore (or delete). i posted
> it hours ago through google groups and only now
> it appeared. i''ll post here directly next time.
Messages from people who have not posted before are queued for
moderation, which will occasionally cause delays.

Fred
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