On Wed, Nov 3, 2010 at 4:17 AM, Manivannan Jeganathan
<[email protected]> wrote:

> So i wants  to upgrade the rails version from 2.2.2 to 2.3.4.
> My doubts are
>
> 1) Is there any problem will occur after i updated the rails version for
> the project that was done by rails 2.2.2

Possibly. Make the change and run your tests :-)

> 2) I want to know how to update the existing project to new version.

You should have a line like this in config/environment.rb --

  RAILS_GEM_VERSION = '2.2.2' unless defined? RAILS_GEM_VERSION

Install Rails 2.3.4 and change that line appropriately (though you might
want to jump to 2.3.10 for security fixes).

HTH,
-- 
Hassan Schroeder ------------------------ [email protected]
twitter: @hassan

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