Rails - Nov 2010 - How to update the rails 2.2.2 version based project into 2.3.4 version

Hi,
    currently i am using rails 2.2.2.
I have developed some project using rails 2.2.2, ruby 1.8.6 and gem
1.3.1.
Now i want to use some cool features in rails 2.3.4 like
default_scope,accepts_nested_attributes_for..etc.
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
2) I want to know how to update the existing project to new version.

Thanks in Advance

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On Wed, Nov 3, 2010 at 4:17 AM, Manivannan Jeganathan
<lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> 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 ------------------------
hassan.schroeder-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
twitter: @hassan

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On 3 November 2010 12:53, Hassan Schroeder
<hassan.schroeder-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On Wed, Nov 3, 2010 at 4:17 AM, Manivannan Jeganathan
> <lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> 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).
Also then, in the top level directory of you application, do
rake rails:update

This will update scripts and so on, though it may do nothing in the
case of a small rails version change.
Don''t forget to make sure you have committed everything to your
version control system before you start.

Colin
>
> HTH,
> --
> Hassan Schroeder ------------------------
hassan.schroeder-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
> twitter: @hassan
>
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>
>
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I am a newbie here and just wanna say Hi to everyone. I am Crystal from
Louisiana, US.
__________________
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