Rails - Jul 2009 - NoMethodError: undefined method `' for #<JSON::Ext::Generator::State:0x2407ea8>

Trying to move a project to Rails 2.3.3, and getting the following:

NoMethodError: undefined method `[]'' for
#<JSON::Ext::Generator::State:
0x2407ea8>
	from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.3/lib/
active_support/json/encoders/hash.rb:45:in `as_json''
	from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.3/lib/
active_support/json/encoders/hash.rb:34:in `to_json''

I understand that the to_json/as_json stuff changed, but this is for
something simple (using just hashes) like:

  JSON.generate({"foo"=>"bar"})

I''m using latest json gem, tried requiring active_support before json,
and put this into my environment as suggested by the Rails upgrade
notes:

  ActiveSupport::JSON.backend = ''JSONGem''

No dice.
If I use Rails 2.3.2, it''s happy.

Anyone encounter/conquer this?

Tx,
Rafi

On Jul 27, 6:38 pm, Rafi Jacoby
<rjac...-xqL8Q0s5VTBWk0Htik3J/w@public.gmane.org>
wrote:
> Trying to move a project to Rails 2.3.3, and getting the following:
>
> NoMethodError: undefined method `[]'' for
#<JSON::Ext::Generator::State:
> 0x2407ea8>
>         from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.3/lib/
> active_support/json/encoders/hash.rb:45:in `as_json''
>         from /Library/Ruby/Gems/1.8/gems/activesupport-2.3.3/lib/
> active_support/json/encoders/hash.rb:34:in `to_json''
>
> I understand that the to_json/as_json stuff changed, but this is for
> something simple (using just hashes) like:
>
>   JSON.generate({"foo"=>"bar"})
>
> I''m using latest json gem, tried requiring active_support before
json,
> and put this into my environment as suggested by the Rails upgrade
> notes:
>
>   ActiveSupport::JSON.backend = ''JSONGem''
>
> No dice.
> If I use Rails 2.3.2, it''s happy.
After sleeping on it for a night, I replaced all instance of
''JSON.generate(hash)'' with hash.to_json, solving the problem.

Posting this for posterity and those googling the issue.

On Mon, Jul 27, 2009 at 6:38 PM, Rafi Jacoby
<rjacoby-xqL8Q0s5VTBWk0Htik3J/w@public.gmane.org> wrote:
>
>
> Anyone encounter/conquer this?
>
 Ya, they changed how parse/generate works I think it accepts/returns arrays
now.  Changing the behavior of a gem like that is wrong.  Can we get this
changed back please?

Chris

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