Re: [Rails] ActiveRecord::AssociationTypeMismatch in UsersController#update

On 9 June 2012 03:36, Paul McGuane <lists@ruby-forum.com> wrote:
> Hi
> Im trying to link my User model to a Teams model. I seem to be getting
> the following errors. Any help would be great as Im just new to RoR
> Thanks
>
> error
> ActiveRecord::AssociationTypeMismatch in UsersController#update
>
> Team(#2183395560) expected, got String(#2174675960)
> app/controllers/users_controller.rb:67:in `update'
> app/controllers/users_controller.rb:66:in `update'

Perhaps it would be useful if you told us which is line 66.

>
>
> users_controller.rb
>  # PUT /users/1
>  # PUT /users/1.json
>  def update
>    @user = User.find(params[:id])
>
>    respond_to do |format|
>      if @user.update_attributes(params[:user])

In case I have made a lucky guess and it is this line then look in
development.log to see what params[:user] will be. Also have a look
at the Rails Guide on debugging to see techniques that can be used to
debug your code.

Colin

>        format.html { redirect_to(users_url,
>                :notice => "The information for #{@user.first_name}
> #{@user.last_name} was successfully updated.") }
>        format.json { head :no_content }
>      else
>        format.html { render :action => "edit" }
>        format.json { render :json => @user.errors, :status =>
> :unprocessable_entity }
>      end
>    end
>  end
>
>
> user.rb
> class User < ActiveRecord::Base
>  belongs_to :team
>  attr_accessible :team
>
>
> team.rb
> class Team < ActiveRecord::Base
>  has_many  :users
>  has_many  :schedules
>  attr_accessible :name
> end
>
>
> user/_form.html.erb
> <div class="_25">
>      <p>
>              <%= f.label :team %>
>              <%= select("user", "team", Team.all.collect { |p| [p.name,
> p.id] }, {:include_blank => 'None'}) %>
>      </p>
>    </div>
>
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>
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