thr3ads.net - Rails - stack level too deep [Jul 2007]

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mpalluat

2007-Jul-04 08:44 UTC

stack level too deep

Hi,

I have a SystemStackError. Here is the stack (sorry if it''s a little
long) :

app/models/line_item.rb:14:in `product''

app/models/line_item.rb:14:in `product''

app/controllers/store_controller.rb:188:in `redirect_to_paypal''

/opt/local/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
active_record/associations/association_proxy

.rb:123:in `each''

/opt/local/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
active_record/associations/association_proxy

.rb:123:in `send''

/opt/local/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
active_record/associations/association_proxy

.rb:123:in `method_missing''

/opt/local/lib/ruby/gems/1.8/gems/activerecord-1.15.3/lib/
active_record/associations/has_many_association

.rb:98:in `method_missing''

app/controllers/store_controller.rb:187:in `redirect_to_paypal''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/base.rb:1095:in `send''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/base.rb:1095:in `perform_a

ction_without_filters''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:632:in `call_fi

lter''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:638:in `call_fi

lter''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:438:in `call''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:637:in `call_fi

lter''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:638:in `call_fi

lter''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:438:in `call''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:637:in `call_fi

lter''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:638:in `call_fi

lter''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:438:in `call''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:637:in `call_fi

lter''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:638:in `call_fi

lter''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:438:in `call''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:637:in `call_fi

lter''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:619:in `perform

_action_without_benchmark''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/benchmarking.rb:66:in `per

form_action_without_rescue''

/opt/local/lib/ruby/1.8/benchmark.rb:293:in `measure''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/benchmarking.rb:66:in `per

form_action_without_rescue''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/rescue.rb:83:in `perform_a

ction''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/base.rb:430:in `send''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/base.rb:430:in `process_wi

thout_filters''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/filters.rb:624:in `process

_without_session_management_support''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/session_management.rb:114:in

 `process''

/opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/
action_controller/base.rb:330:in `process''

/opt/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/dispatcher.rb:41:in
`dispatch''

/opt/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:
113:in `handle_dispatch''

/opt/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:
79:in `service''

/opt/local/lib/ruby/1.8/webrick/httpserver.rb:104:in `service''

/opt/local/lib/ruby/1.8/webrick/httpserver.rb:65:in `run''

/opt/local/lib/ruby/1.8/webrick/server.rb:173:in `start_thread''

/opt/local/lib/ruby/1.8/webrick/server.rb:162:in `start''

/opt/local/lib/ruby/1.8/webrick/server.rb:162:in `start_thread''

/opt/local/lib/ruby/1.8/webrick/server.rb:95:in `start''

/opt/local/lib/ruby/1.8/webrick/server.rb:92:in `each''

/opt/local/lib/ruby/1.8/webrick/server.rb:92:in `start''

/opt/local/lib/ruby/1.8/webrick/server.rb:23:in `start''

/opt/local/lib/ruby/1.8/webrick/server.rb:82:in `start''

/opt/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/webrick_server.rb:
63:in `dispatch''

/opt/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/servers/
webrick.rb:59

/opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require''

/opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`require''

/opt/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/
active_support/dependencies.rb:495:in `req

uire''

/opt/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/
active_support/dependencies.rb:342:in `new

_constants_in''

/opt/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/
active_support/dependencies.rb:495:in `req

uire''

/opt/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/commands/server.rb:
39

/opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require''

/opt/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`require''

script/server:3

This is the method that is being called :

  def redirect_to_paypal
    create_order
    more_options = Hash.new

    x = 1
    @order.line_items.each do |item|
      more_options["item_name_#{x}"] = item.product.title # this is
the line that is causing the error
      more_options["amount_#{x}"] = item.product.price
      more_options["quantity_#{x}"] = item.quantity
      x += 1
    end

    @html = render_to_string( :partial => "switch_to_paypal",
:object
=> @order, :locals => { :more_options => more_options } )
  end


Can someone figure out what is causing this error ?

Thanks, Marc


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Shai Rosenfeld

2007-Jul-04 10:27 UTC

head link

Re: stack level too deep

>     @html = render_to_string( :partial => "switch_to_paypal",
:object
> => @order, :locals => { :more_options => more_options } )
>   end
i think it has to do with scope issues:

when you call :more_options to pass as a parameter, you''re creating a 
local variable, and passing it the local variable that already exists 
(but since it is the same variable-name, you are passing it the one you 
are creating, which is the one that already exists, which is ... a stack 
way too deep.)

i think.
if you change the variable name you''ve created in the loop to something
else, does it work?

i.e


    @order.line_items.each do |item|
      more_options_hsh["item_name_#{x}"] = item.product.title # this
is
the line that is causing the error
      more_options_hsh["amount_#{x}"] = item.product.price
      more_options_hsh["quantity_#{x}"] = item.quantity


and then

...
...=> @order, :locals => { :more_options => more_options_hsh } )

?

-- 
Posted via http://www.ruby-forum.com/.

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mpalluat

2007-Jul-04 12:16 UTC

head link

Re: stack level too deep

Hi Shai,

Thanks for your advice. Unfortunately, I get the same error after
having renamed my variable.
I''ve googled the net and haven''t yet found a solution.

anyone ?


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CPerry

2007-Jul-04 12:46 UTC

head link

Re: stack level too deep

I had this same problem yesterday, and it was because I was calling a
variable twice and it was simply looping itself over and over.
Renaming the variable worked for me. It was posting to a column in my
DB, then trying to post a value to the same column, so it just
continuously looped itself.

Sorry I can''t be more help! Just check to be sure that you are not
calling a variable and then calling it again somewhere else with
different values.

--Cory

On Jul 4, 8:16 am, mpalluat
<mpall...-5pOUBFcWhVtWk0Htik3J/w@public.gmane.org>
wrote:> Hi Shai,
>
> Thanks for your advice. Unfortunately, I get the same error after
> having renamed my variable.
> I''ve googled the net and haven''t yet found a solution.
>
> anyone ?

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mpalluat

2007-Jul-04 15:20 UTC

head link

Re: stack level too deep

CPerry, thank you a thousand times ! I had in a LineItem model file a
function :

def product
  self.product
end

this was causing the recursion ( I don''t know why I had written this
function in the first place).


Marc


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CPerry

2007-Jul-04 17:26 UTC

head link

Re: stack level too deep

Awesome, glad you found the error.

--Cory

On Jul 4, 11:20 am, mpalluat
<mpall...-5pOUBFcWhVtWk0Htik3J/w@public.gmane.org>
wrote:> CPerry, thank you a thousand times ! I had in a LineItem model file a
> function :
>
> def product
>   self.product
> end
>
> this was causing the recursion ( I don''t know why I had written
this
> function in the first place).
>
> Marc

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