thr3ads.net - Rails - Help geting started [Aug 2010]

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neigaard

2010-Aug-11 10:13 UTC

Help geting started

Hi

I am reading O''Reilly Rails Cookbook, but I can not get the examples
working. Here is what I have done so far:

rails mytest --database=mysql

ruby script/generate migration build_db
--BuildDb class--
class BuildDb < ActiveRecord::Migration
  def self.up
    create_table :schedules, :force => true do |t|
      t.column :scheduleTime, :datetime
      t.column :repeatEveryYear, :boolean
      t.column :message, :string

      t.timestamps
    end
  end

  def self.down
    drop_table :schedules
  end
end
--BuildDb class--

rake db:migrate

ruby script/generate model schedules (generates a new empty migration,
I deleted it)

ruby script/generate controller schedules

Edited my controller, and added: scaffold :schedules

But when I try to test my application, the mongrel log gives me this:


Wed Aug 11 12:06:10 +0200 2010: Error calling Dispatcher.dispatch
#<NoMethodError: You have a nil object when you didn''t expect it!
You might have expected an instance of Array.
The error occurred while evaluating nil.split>
/Users/sneigaard/.gem/ruby/1.8/gems/actionpack-2.3.8/lib/
action_controller/cgi_process.rb:52:in `dispatch_cgi''
/Users/sneigaard/.gem/ruby/1.8/gems/actionpack-2.3.8/lib/
action_controller/dispatcher.rb:101:in `dispatch_cgi''
/Users/sneigaard/.gem/ruby/1.8/gems/actionpack-2.3.8/lib/
action_controller/dispatcher.rb:27:in `dispatch''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:
76:in `process''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:
74:in `synchronize''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:
74:in `process''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:159:in
`process_client''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:158:in
`each''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:158:in
`process_client''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
`run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
`initialize''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
`new''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
`run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:268:in
`initialize''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:268:in
`new''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:268:in
`run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
configurator.rb:282:in `run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
configurator.rb:281:in `each''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
configurator.rb:281:in `run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:128:in
`run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
command.rb:212:in `run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:281
/usr/bin/mongrel_rails:19:in `load''
/usr/bin/mongrel_rails:19


Hm well should this not work?

Thank you
Søren

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Michael Pavling

2010-Aug-11 10:19 UTC

head link

Re: Help geting started

On 11 August 2010 11:13, neigaard
<sneigaard-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:> Hi
>
> I am reading O''Reilly Rails Cookbook, but I can not get the
examples
> working.
That''s not really a beginners tutorial book - it''s more for
reference
on how to deal with specific problems.
You may be better off with a book like "Agile Web Development With
Rails", which does take you through from first principles.

Also, I''m not sure how up-to-date the Cookbook is (mine''s for
Rails
1.2 I think!), and it looks like you''re running 2.3.8, so that may be
part of the problems you''re having.

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Anubhaw Prakash

2010-Aug-11 10:49 UTC

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Re: Help geting started

neigaard wrote:> Hi
> 
> I am reading O''Reilly Rails Cookbook, but I can not get the
examples
> working. Here is what I have done so far:
> 
> rails mytest --database=mysql

Maybe you should start Rails learning by following 
''http://guides.rubyonrails.org/'' site.

Thanks,
Anubhaw

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Jan Marquardt

2010-Aug-11 11:32 UTC

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Re: Help geting started

On 08/11/2010 12:13 PM, neigaard wrote:> Hi
>
> I am reading O''Reilly Rails Cookbook, but I can not get the
examples
> working. Here is what I have done so far:
>
Hey,

I also just started learning rails. First I''ve read "The well
grounded
Rubyist" to learn the language itself and now I''m reading
"Agile Web
Development with Rails".

Cheers,

Jan

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neigaard

2010-Aug-13 10:21 UTC

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Re: Help geting started

Well, I am now reading http://guides.rubyonrails.org/getting_started.html
(also tried Agile Web Development with Rails), but I do not get very
far. I follow the guide to chapter 4.1, but when I point my browser to
http://localhost:3000/home/index I get a blank page and the following
in mongrel.log:

Fri Aug 13 12:20:22 +0200 2010: Error calling Dispatcher.dispatch
#<NoMethodError: You have a nil object when you didn''t expect it!
You might have expected an instance of Array.
The error occurred while evaluating nil.split>
/Users/sneigaard/.gem/ruby/1.8/gems/actionpack-2.3.8/lib/
action_controller/cgi_process.rb:52:in `dispatch_cgi''
/Users/sneigaard/.gem/ruby/1.8/gems/actionpack-2.3.8/lib/
action_controller/dispatcher.rb:101:in `dispatch_cgi''
/Users/sneigaard/.gem/ruby/1.8/gems/actionpack-2.3.8/lib/
action_controller/dispatcher.rb:27:in `dispatch''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:
76:in `process''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:
74:in `synchronize''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:
74:in `process''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:159:in
`process_client''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:158:in
`each''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:158:in
`process_client''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
`run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
`initialize''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
`new''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
`run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:268:in
`initialize''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:268:in
`new''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:268:in
`run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
configurator.rb:282:in `run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
configurator.rb:281:in `each''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
configurator.rb:281:in `run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:128:in
`run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
command.rb:212:in `run''
/Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:281
/usr/bin/mongrel_rails:19:in `load''
/usr/bin/mongrel_rails:19

Any ideas? Is my rails setup broken? I am runing on OS X 10.6.4, is it
is broken, then how can I uninstall it all and reinstall?

Thank you
Søren

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jason white

2010-Aug-13 13:51 UTC

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Re: Re: Help geting started

you can also take a look at this http://railstutorial.org/book

<http://railstutorial.org/book>as far as you environment being broken
that''s
hard to tell without more information




On Fri, Aug 13, 2010 at 5:21 AM, neigaard
<sneigaard-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> Well, I am now reading http://guides.rubyonrails.org/getting_started.html
> (also tried Agile Web Development with Rails), but I do not get very
> far. I follow the guide to chapter 4.1, but when I point my browser to
> http://localhost:3000/home/index I get a blank page and the following
> in mongrel.log:
>
> Fri Aug 13 12:20:22 +0200 2010: Error calling Dispatcher.dispatch
> #<NoMethodError: You have a nil object when you didn''t expect
it!
> You might have expected an instance of Array.
> The error occurred while evaluating nil.split>
> /Users/sneigaard/.gem/ruby/1.8/gems/actionpack-2.3.8/lib/
> action_controller/cgi_process.rb:52:in `dispatch_cgi''
> /Users/sneigaard/.gem/ruby/1.8/gems/actionpack-2.3.8/lib/
> action_controller/dispatcher.rb:101:in `dispatch_cgi''
> /Users/sneigaard/.gem/ruby/1.8/gems/actionpack-2.3.8/lib/
> action_controller/dispatcher.rb:27:in `dispatch''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:
> 76:in `process''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:
> 74:in `synchronize''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/rails.rb:
> 74:in `process''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:159:in
> `process_client''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:158:in
> `each''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:158:in
> `process_client''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
> `run''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
> `initialize''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
> `new''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:285:in
> `run''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:268:in
> `initialize''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:268:in
> `new''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:268:in
> `run''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> configurator.rb:282:in `run''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> configurator.rb:281:in `each''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> configurator.rb:281:in `run''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:128:in
> `run''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> command.rb:212:in `run''
> /Library/Ruby/Gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:281
> /usr/bin/mongrel_rails:19:in `load''
> /usr/bin/mongrel_rails:19
>
> Any ideas? Is my rails setup broken? I am runing on OS X 10.6.4, is it
> is broken, then how can I uninstall it all and reinstall?
>
> Thank you
> Søren
>
> --
> You received this message because you are subscribed to the Google Groups
> "Ruby on Rails: Talk" group.
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>
>
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neigaard

2010-Aug-14 20:01 UTC

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Re: Help geting started

Ok I tested some more, and I found out that it works with the webrick
(ruby script/server webrick) server, so my mongrel must be broken some
how? I did a:

sudo gem uninstall fastthread
sudo gem uninstall mongrel
sudo gem install mongrel

But still I get the same error with mongrel. Well I can work with
webrick, but I sure would like to know what is wrong with my mongrel.

Thank you
Søren

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Rails - Aug 2010 - Help geting started

Help geting started

Re: Help geting started

Re: Help geting started

Re: Help geting started

Re: Help geting started

Re: Re: Help geting started

Re: Help geting started