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maciej.mietek-sGMOnOof0sKrDJvtcaxF/A@public.gmane.org

2013-Mar-28 13:07 UTC

NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):

Hey

I have a problem with nomethoderror and have no idea how to solve it. 

In logs:

NoMethodError (undefined method `length='' for
#<Book:0x000000081583f0>):
2013-03-28T12:38:35+00:00 app[web.2]:   app/models/engine/book.rb:13:in 
`block in find_or_create_by_guide''
2013-03-28T12:38:35+00:00 app[web.2]:   app/models/engine/book.rb:9:in 
`find_or_create_by_guide''
2013-03-28T12:38:35+00:00 app[web.2]:   
app/controllers/guide_controller.rb:37:in 
`find_or_create_book_based_on_guide''

cache: [GET /en/books/planner/preview] miss
2013-03-28T12:38:35+00:00 app[web.2]: Processing by BooksController#preview 
as */*
2013-03-28T12:38:35+00:00 app[web.2]:   Parameters:
{"locale"=>"en",
"id"=>"planner"}
2013-03-28T12:38:35+00:00 app[web.2]: Unknown label ''www''.
Switching label
to bookless
2013-03-28T12:38:35+00:00 app[web.2]: Finded book #515439c0e622d90002000019
2013-03-28T12:38:35+00:00 app[web.2]: Completed 500 Internal Server Error 
in 82ms

Book.rb:
module ClassMethods
      def find_or_create_by_guide(guide)
        book = ::Book.find_or_create_by_document(guide.id.to_s) do |t|
          t.city_id = guide.city
          t.host    = guide.host
          t.pace    = guide.pace || :normal
          t.length  = guide.length
        end
Later in Book.rb, I have:

groups = sorted_points.in_groups_of(length, false)


In Book.rb I have attr_accessible :length. I''ve also updated the table
with
length column:
class AddLengthColumnToBooks < ActiveRecord::Migration
  def change
    add_column :books, :length, :integer
  end
end

I have no idea what''s going on. Can someone please help me with this?

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Colin Law

2013-Mar-28 15:52 UTC

head link

Re: NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):

On 28 March 2013 13:07, 
<maciej.mietek-sGMOnOof0sKrDJvtcaxF/A@public.gmane.org>
wrote:> Hey
>
> I have a problem with nomethoderror and have no idea how to solve it.
>
> In logs:
>
> NoMethodError (undefined method `length='' for
#<Book:0x000000081583f0>):
> 2013-03-28T12:38:35+00:00 app[web.2]:   app/models/engine/book.rb:13:in
> `block in find_or_create_by_guide''
> 2013-03-28T12:38:35+00:00 app[web.2]:   app/models/engine/book.rb:9:in
> `find_or_create_by_guide''
> 2013-03-28T12:38:35+00:00 app[web.2]:
> app/controllers/guide_controller.rb:37:in
> `find_or_create_book_based_on_guide''
>
> cache: [GET /en/books/planner/preview] miss
> 2013-03-28T12:38:35+00:00 app[web.2]: Processing by BooksController#preview
> as */*
> 2013-03-28T12:38:35+00:00 app[web.2]:   Parameters:
{"locale"=>"en",
> "id"=>"planner"}
> 2013-03-28T12:38:35+00:00 app[web.2]: Unknown label
''www''. Switching label
> to bookless
> 2013-03-28T12:38:35+00:00 app[web.2]: Finded book #515439c0e622d90002000019
> 2013-03-28T12:38:35+00:00 app[web.2]: Completed 500 Internal Server Error
in
> 82ms
>
> Book.rb:
> module ClassMethods
>       def find_or_create_by_guide(guide)
>         book = ::Book.find_or_create_by_document(guide.id.to_s) do |t|
>           t.city_id = guide.city
>           t.host    = guide.host
>           t.pace    = guide.pace || :normal
>           t.length  = guide.length
>         end
> Later in Book.rb, I have:
>
> groups = sorted_points.in_groups_of(length, false)
>
>
> In Book.rb I have attr_accessible :length. I''ve also updated the
table with
> length column:
> class AddLengthColumnToBooks < ActiveRecord::Migration
>   def change
>     add_column :books, :length, :integer
>   end
> end
>
> I have no idea what''s going on. Can someone please help me with
this?
The error refers to book.rb but you refer to Book.rb.  Is that just a
typing error?

What happens if, in the Rails Console you do
Book.first.length

I presume you have run the migration.  Have you checked using a
database tool that the column exists?

I wonder whether length is a reserved word.  If all else fails try a
different name.

Colin

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maciej.mietek-sGMOnOof0sKrDJvtcaxF/A@public.gmane.org

2013-Mar-29 09:57 UTC

head link

Re: NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):

Hey, thanks for the answer.

As for the Book.rb - yes, it''s a typing error. 

When I run Book.first.length in the rails console, I get:

1.9.3-p327 :001 > Book.first.length
  Book Load (0.2ms)  SELECT "books".* FROM "books" WHERE
"books"."label" =
''app LIMIT 1
 => nil

And yes, I did run the migration.

I think the problem can lie in Mongo collections. I''ve added the
"length"
collection by updating an already working Mongo Document. Maybe that''s
the
problem?  I''ll try to set up another mongo document with the length 
collection only. 

class Guide::Document
  include MongoMapper::Document
  
  key :city, Integer
  key :trips, Array
  key :themes, Array
  key :places, Array
  key :pace, String
  key :date_from, Time
  key :date_to, Time
  key :host, String
*  key :length, Integer*
  timestamps!
end

W dniu czwartek, 28 marca 2013 16:52:13 UTC+1 użytkownik Colin Law
napisał:>
> On 28 March 2013 13:07, 
<maciej...-sGMOnOof0sKrDJvtcaxF/A@public.gmane.org <javascript:>>
wrote:
> > Hey 
> > 
> > I have a problem with nomethoderror and have no idea how to solve it. 
> > 
> > In logs: 
> > 
> > NoMethodError (undefined method `length='' for
#<Book:0x000000081583f0>):
> > 2013-03-28T12:38:35+00:00 app[web.2]:  
app/models/engine/book.rb:13:in
> > `block in find_or_create_by_guide'' 
> > 2013-03-28T12:38:35+00:00 app[web.2]:   app/models/engine/book.rb:9:in
> > `find_or_create_by_guide'' 
> > 2013-03-28T12:38:35+00:00 app[web.2]: 
> > app/controllers/guide_controller.rb:37:in 
> > `find_or_create_book_based_on_guide'' 
> > 
> > cache: [GET /en/books/planner/preview] miss 
> > 2013-03-28T12:38:35+00:00 app[web.2]: Processing by 
> BooksController#preview 
> > as */* 
> > 2013-03-28T12:38:35+00:00 app[web.2]:   Parameters:
{"locale"=>"en",
> > "id"=>"planner"} 
> > 2013-03-28T12:38:35+00:00 app[web.2]: Unknown label
''www''. Switching
> label 
> > to bookless 
> > 2013-03-28T12:38:35+00:00 app[web.2]: Finded book 
> #515439c0e622d90002000019 
> > 2013-03-28T12:38:35+00:00 app[web.2]: Completed 500 Internal Server 
> Error in 
> > 82ms 
> > 
> > Book.rb: 
> > module ClassMethods 
> >       def find_or_create_by_guide(guide) 
> >         book = ::Book.find_or_create_by_document(guide.id.to_s) do |t|
> >           t.city_id = guide.city 
> >           t.host    = guide.host 
> >           t.pace    = guide.pace || :normal 
> >           t.length  = guide.length 
> >         end 
> > Later in Book.rb, I have: 
> > 
> > groups = sorted_points.in_groups_of(length, false) 
> > 
> > 
> > In Book.rb I have attr_accessible :length. I''ve also updated
the table
> with 
> > length column: 
> > class AddLengthColumnToBooks < ActiveRecord::Migration 
> >   def change 
> >     add_column :books, :length, :integer 
> >   end 
> > end 
> > 
> > I have no idea what''s going on. Can someone please help me
with this?
>
> The error refers to book.rb but you refer to Book.rb.  Is that just a 
> typing error? 
>
> What happens if, in the Rails Console you do 
> Book.first.length 
>
> I presume you have run the migration.  Have you checked using a 
> database tool that the column exists? 
>
> I wonder whether length is a reserved word.  If all else fails try a 
> different name. 
>
> Colin 
>
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Colin Law

2013-Mar-29 10:48 UTC

head link

Re: NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):

On 29 March 2013 09:57, 
<maciej.mietek-sGMOnOof0sKrDJvtcaxF/A@public.gmane.org>
wrote:> Hey, thanks for the answer.
>
> As for the Book.rb - yes, it''s a typing error.
>
> When I run Book.first.length in the rails console, I get:
>
> 1.9.3-p327 :001 > Book.first.length
>   Book Load (0.2ms)  SELECT "books".* FROM "books"
WHERE "books"."label" > ''app LIMIT 1
Why does that include a WHERE clause?  and why is it looking for label =
''app

Colin

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maciej.mietek-sGMOnOof0sKrDJvtcaxF/A@public.gmane.org

2013-Mar-29 11:44 UTC

head link

Re: NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):

This is because we have a whitelabel feature in our app, and therefore most 
columns and tables are labelled to. The label "app" simply means that
it
loads all the data from our main app. 

W dniu piątek, 29 marca 2013 11:48:56 UTC+1 użytkownik Colin Law
napisał:>
> On 29 March 2013 09:57, 
<maciej...-sGMOnOof0sKrDJvtcaxF/A@public.gmane.org <javascript:>>
wrote:
> > Hey, thanks for the answer. 
> > 
> > As for the Book.rb - yes, it''s a typing error. 
> > 
> > When I run Book.first.length in the rails console, I get: 
> > 
> > 1.9.3-p327 :001 > Book.first.length 
> >   Book Load (0.2ms)  SELECT "books".* FROM "books"
WHERE "books"."label"
> = 
> > ''app LIMIT 1 
>
> Why does that include a WHERE clause?  and why is it looking for label = 
> ''app 
>
> Colin 
>
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Rails - Mar 2013 - NoMethodError (undefined method `length=' for #<Tour:0x000000081583f0>):

NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):

Re: NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):

Re: NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):

Re: NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):

Re: NoMethodError (undefined method `length='' for #<Tour:0x000000081583f0>):