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Ruby

Posted by Brett DiCioccio
Brett DiCioccio
5,716 Points

Generating the Devise Views: NoMethodError in Devise/registrations#new

I have been following along just fine up until this point. As this video started I generated the devise views without a problem using rails generate devise:views.

I then open up the file app/views/devise/registrations/new.html.erb

I added the 3 lines for first_name, last_name, and profile_name to the top of the file just like Jason does using the text_field form field for each of them. I checked this part carefully for typos several times.

I then saved the file, started the server, and went to the sign_up page and noticed that it says I am already signed in so I tried in a different browser. When I go to the url http://localhost:3000/users/sign_up in a different browser I get the following error message:

NoMethodError in Devise/registrations#new

undefined method `first_name' for #<User:0x31e3438>

Extracted source (around line #7):

4: <%= devise_error_messages! %> 5: 6: <div><%= f.label :first_name %><br /> 7: <%= f.text_field :first_name %></div> 8: 9: <div><%= f.label :last_name %><br /> 10: <%= f.text_field :last_name %></div>

Just trying some things, I changed all 3 of them from text_fields to password_fields and the form loads just fine.

I also downloaded the project code and replaced my code. Still the same error.

I am using the latest versions of everything and I am on a Windows 7 platform.

If anyone knows what could be going on please let me know.

9 Answers

Kerel Lacy
Kerel Lacy
8,474 Points
Kerel Lacy
Kerel Lacy
8,474 Points

Did you migrate your db?

Kerel Lacy
Kerel Lacy
8,474 Points
Kerel Lacy
Kerel Lacy
8,474 Points

I'm pretty sure I also remember those fields get replaced with other instance variable if you keep watching.

Brett DiCioccio
Brett DiCioccio
5,716 Points
Brett DiCioccio
Brett DiCioccio
5,716 Points

Yes the first thing I did was migrate my db. Yeah I would keep watching, but I want to get this working before I move on. It most likely has something to do with a Ruby version, Rails version, or my system setup. I even went back and started from the first video again and I am still getting the same error at that part.

Kerel Lacy
Kerel Lacy
8,474 Points
Kerel Lacy
Kerel Lacy
8,474 Points

Ah I see yeah, Brett keep watching and Jim will migrate his db and will run into the same errors and from there explains how to get around these errors.

Brett DiCioccio
Brett DiCioccio
5,716 Points
Brett DiCioccio
Brett DiCioccio
5,716 Points

Alright, I will give it a try and hopefully fix the error so I can go back and follow along with him.

Brett DiCioccio
Brett DiCioccio
5,716 Points
Brett DiCioccio
Brett DiCioccio
5,716 Points

Could you please let me know what section he runs into errors.

Kerel Lacy
Kerel Lacy
8,474 Points
Kerel Lacy
Kerel Lacy
8,474 Points

I'm pretty sure it's generating devise views

Brett DiCioccio
Brett DiCioccio
5,716 Points
Brett DiCioccio
Brett DiCioccio
5,716 Points

I took the code from stage 2 and started stage 3 fresh again and did not run into the problem. I wish I found out what it was, but at least I can move on now. Thanks for the help!

Joseph Agunbiade
PLUS
Joseph Agunbiade
Courses Plus Student 1,905 Points
Joseph Agunbiade
Joseph Agunbiade
Courses Plus Student 1,905 Points

I am having similar problem on stage 3

NoMethodError in Devise::Registrations#new

Showing C:/Sites/treebook/app/views/devise/registrations/new.html.erb where line #8 raised: undefined method `lastname' for #<User:0x2a46b18>

Extracted source (around line #8):5 6 7 8 9 10 11 <%= f.text_field :firstname %></div>

<div><%= f.label :lastname %><br />
<%= f.text_field :lastname %></div>

<div><%= f.label :profile_name %><br />
<%= f.text_field :profile_name %></div>

Rails.root: C:/Sites/treebook