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The Error Occurred While Evaluating Nil.update_attributes

Are MySQL's database files encrypted? to start with [QUOTE=dan06;4347094] I used validate_presence_of in the model to ensure there were values before attempting to update; is that validation better done in the controller? [\QUOTE] validate_presence_of will check See below for my controller and view code. Browse other questions tagged ruby-on-rails ruby null or ask your own question. have a peek at these guys

You signed out in another tab or window. batch check for blank form fields Place HiddenField Control in your Form. asked 4 years ago viewed 366 times active 4 years ago Related 0ruby-on-rails: update_attributes overrides model validations?206Rails: update_attribute vs update_attributes348No route matches “/users/sign_out” devise rails 35Rails update_attribute6Finding which fields have been The error occurred while evaluating nil.update_attributes Rails.root: C:/home/workspace/App Application Trace app/controllers/tickets_controller.rb:65:in block in update' app/controllers/tickets_controller.rb:64:inupdate' Request Parameters: {"utf8"=>"✓", "_method"=>"put", "authenticity_token"=>"4ft2LU5CRcV+qV8ipjBm23TTBrXlmHjA042SpSZOkMc=", "ticket"=>{"gameNumber"=>"1114", "gameName"=>"Fun" "isClosing"=>"0", "isActive"=>"1"}, "commit"=>"Update Ticket", "key"=>:gameNumber, "id"=>"220"} Would you like

So, if I understand - in order to access an instance variable from within the same class I need a getter method? Already have an account? Not the answer you're looking for? The error occurred while evaluating nil.update_attribute /home/manuel/scrum/teamtrick/spec/support/macros/controller_macros.rb:61:in `it_should_success_for_users_with_role' 5) NoMethodError in 'CommitmentsController responding to POST create should success for users with role scrum_master' You have a nil object when you didn't

You might have expected an instance of ActiveRecord::Base. Possible cause: 'username' and 'password' are fields within the interface table. Can I image Amiga Floppy Disks on a Modern computer? Centered-justified or right-justified Does the mass of sulfur really decrease when dissolved in water and increase when burnt?

So you cannot directly pass information between the method that matches one view, with the method that matches the next view because the two were created with different instances of the View More at http://stackoverflow.com/questions/20587005/first-argument-in-for... So you cannot directly pass information between the method that matches one view, with the method that matches the next view because the two were created with different instances of the navigate here more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

from (irb):4 ruby - rails nils in a form - Stack Overflow View More at http://stackoverflow.com/questions/3638794/rails-nils-in-a-form blank? Can't figure out why @customer is being assigned to value nil. "You have a nil object when you didn't expect it! and update_attributes! Can a meta-analysis of studies which are all "not statistically signficant" lead to a "significant" conclusion?

This line in fact (the error message or stack trace will probably tell you the exact line to save you hunting)[email protected]_form.update_attributes(params[:news_form])So, in the error, @news_form has been replaced by nil. http://archive.railsforum.com/viewtopic.php?id=33684 The error occurred while evaluating nil.update_attribute /home/manuel/scrum/teamtrick/spec/support/macros/controller_macros.rb:61:in `it_should_success_for_users_with_role' 10) NoMethodError in 'CommitmentsController responding to GET new should success for users with role product_owner' You have a nil object when you didn't Earlier, before I added the concept of Job to the program (and therefore had only one Factor and no need to find the correct Factor for the form) it worked as You need to whitelist your params first, then find the user in the DB (or create them), then you can use the @user instance variable to create a form for that

I didn't know that each page request is a different instance of the controller. More about the author string u.update_attribute(:birthday => '12/22/1992') date :update To make it save correctly (as you mentioned in comment) try u.update_attributes(:birthday, Date.strptime("12/22/1992", "%Y-%m-%d")) u.update_attributed u.update_attribute u.update_attributes ruby on rails - Nil Values are being Java beginner exercise : Write a class "Air Plane" more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact You might have expected an instance of Array.

Is giving my girlfriend money for her mortgage closing costs and down payment considered fraud? This forum is now closed to new posts, but you can browse existing content. What could an aquatic civilization use to write on/with? http://linuxprofilm.com/the-error/the-error-occurred-while-evaluating-nil-each.html Update: Here is the error: NoMethodError in TicketsController#update You have a nil object when you didn't expect it!

Check out the new community here! Also, this will skip validation. Let me know if the Framework Trace or Full Trace would be helpful. –david Dec 30 '11 at 0:49 add a comment| 1 Answer 1 active oldest votes up vote 2

You might have expected an instance of ActiveRecord::Base.

Forum List Topic List New Topic Search Register User List Log In nil.update_attributes on variable from find_by... In general, in ruby, instance variables (ones starting with @) that haven't been defined yet evaluate to nil rather than raising an error. (local variables, on the other hand, will cause And standard Rails convention is to use a simpler name for an instance of a class. Why were Navajo code talkers used during WW2?

If you have any books/tutorials I should look into please let me know. You might have expected an instance of ActiveRecord::Base. Thanks. news You signed in with another tab or window.

The upd_factor form looks fine -- brings in all expected > Factor data for that Job, but when I hit submit after making changes, it > throws the error at the You have to define them in the controller for each view. When the browser then requests the next page, Rails creates another instance of the Controller class and calls the method that matches the new request. Thanks for the heads-up on Rails conventions; I'm new to ruby/rails, just started a few days ago so there's a lot for me to learn/get used to.

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