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Pascal Friederich

2007-Nov-02 13:34 UTC

To few arguments exception - redirect after many to many association creation

Hi there,

i get an error i -really- don''t understand.
i have 3 models, project, user and membership.
a user is a member of many projects through memberships and projects
have many members through memberships.

here some snippets:

class Project < ActiveRecord::Base
  has_many   :members, :through => :memberships,  :source
=> :user, :conditions => "is_manager = false"
  has_many   :memberships
end

class User < ActiveRecord::Base
  has_many :memberships
  has_many :projects, :through => :memberships
end

class Membership < ActiveRecord::Base
  belongs_to :user
  belongs_to :project
end

iam -trying- to develop the app restfull. The only actions my
membership controller knows
are the new and create action. After creating the association i want
to redirect to the
project used in the association:

class MembershipController < ApplicationController

  def new
    .... some stuff here
  end

  def create
    @membership = Membership.new(params[:membership])
    if @membership.save
        flash[:notice] = ''Membership of #{@membership.user.name} in
#{@membership.project.name} created.''
        format.html { redirect_to project_url(@membership.project) }
        format.xml  { head :created, :location =>
project_url(@membership.project) }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @membership.errors.to_xml }
      end
  end

end

after hitting the submit button in the new form the membership is
successfully created
but the redirect to the project index doesn''t work. even a
redirect_to(''/'') or a
redirect_to :controller => ''home'' raises the same
exception...

i am stuck since a few hours...

pascal


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Pascal Friederich

2007-Nov-02 13:35 UTC

head link

Re: To few arguments exception - redirect after many to many association creation

oh and of course the error:

too few arguments

RAILS_ROOT: /home/paukul/rails/mopszeise/config/..
Application Trace | Framework Trace | Full Trace

/home/paukul/rails/mopszeise/app/controllers/membership_controller.rb:
12:in `format''
/home/paukul/rails/mopszeise/app/controllers/membership_controller.rb:
12:in `create''

/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:1101:in `send''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:1101:in `perform_action_without_filters''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
filters.rb:696:in `call_filters''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
filters.rb:688:in `perform_action_without_benchmark''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
benchmarking.rb:66:in `perform_action_without_rescue''
/usr/lib/ruby/1.8/benchmark.rb:293:in `measure''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
benchmarking.rb:66:in `perform_action_without_rescue''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
rescue.rb:83:in `perform_action''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:435:in `send''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:435:in `process_without_filters''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
filters.rb:684:in `process_without_session_management_support''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
session_management.rb:114:in `process''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:334:in `process''
/usr/lib/ruby/gems/1.8/gems/rails-1.2.4/lib/dispatcher.rb:41:in
`dispatch''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/rails.rb:78:in
`process''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/rails.rb:76:in
`synchronize''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/rails.rb:76:in
`process''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:618:in
`process_client''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:617:in `each''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:617:in
`process_client''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in
`initialize''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in `new''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:720:in
`initialize''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:720:in `new''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:720:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/configurator.rb:
271:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/configurator.rb:
270:in `each''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/configurator.rb:
270:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/bin/mongrel_rails:127:in
`run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/command.rb:
211:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/bin/mongrel_rails:243

/home/paukul/rails/mopszeise/app/controllers/membership_controller.rb:
12:in `format''
/home/paukul/rails/mopszeise/app/controllers/membership_controller.rb:
12:in `create''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:1101:in `send''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:1101:in `perform_action_without_filters''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
filters.rb:696:in `call_filters''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
filters.rb:688:in `perform_action_without_benchmark''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
benchmarking.rb:66:in `perform_action_without_rescue''
/usr/lib/ruby/1.8/benchmark.rb:293:in `measure''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
benchmarking.rb:66:in `perform_action_without_rescue''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
rescue.rb:83:in `perform_action''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:435:in `send''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:435:in `process_without_filters''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
filters.rb:684:in `process_without_session_management_support''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
session_management.rb:114:in `process''
/usr/lib/ruby/gems/1.8/gems/actionpack-1.13.4/lib/action_controller/
base.rb:334:in `process''
/usr/lib/ruby/gems/1.8/gems/rails-1.2.4/lib/dispatcher.rb:41:in
`dispatch''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/rails.rb:78:in
`process''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/rails.rb:76:in
`synchronize''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/rails.rb:76:in
`process''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:618:in
`process_client''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:617:in `each''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:617:in
`process_client''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in
`initialize''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in `new''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:720:in
`initialize''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:720:in `new''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:720:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/configurator.rb:
271:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/configurator.rb:
270:in `each''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/configurator.rb:
270:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/bin/mongrel_rails:127:in
`run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/command.rb:
211:in `run''
/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/bin/mongrel_rails:243

Request

Parameters:
{"membership"=>{"project_id"=>"5",
"is_manager"=>"1",
"user_id"=>"1"},
"commit"=>"Create"}

Show session dump

---
:user: 1
:return_to:
flash: !map:ActionController::Flash::FlashHash
  :notice: Mitgliedschaft

Response
Headers: {"cookie"=>[],
"Cache-Control"=>"no-cache"}


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Pascal Friederich

2007-Nov-02 14:21 UTC

head link

Re: To few arguments exception - redirect after many to many association creation

argh... i was missing the respond_to block around it... 2 hours waste
of time...


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michelleshannon

2010-Sep-29 13:02 UTC

head link

Re: To few arguments exception - redirect after many to many association creation

So funny! I have been searching since yesterday for a solution to a
Can''t
create without an ID Create#TitlesController error. Then I discovered a
glitch in how I was authenticating the page. *That* gave me the Too Few
Parameters error and *this* solved it for me. I had commented out the
response_to block by mistake and simply didn''t notice it! 

I''m glad you posted this as it finally had me looking explicitly at
that
block! <big smile>

Michelle



Pascal Friederich wrote:> 
> 
> argh... i was missing the respond_to block around it... 2 hours waste
> of time...
> 
> 
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Rails - Nov 2007 - To few arguments exception - redirect after many to many association creation

To few arguments exception - redirect after many to many association creation

Re: To few arguments exception - redirect after many to many association creation

Re: To few arguments exception - redirect after many to many association creation

Re: To few arguments exception - redirect after many to many association creation