#4934 accepts_nested_attributes_for broken after upgrade from 2.3.5 to 2.3.8 - Ruby on Rails

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#4934 ✓duplicate

accepts_nested_attributes_for broken after upgrade from 2.3.5 to 2.3.8

Reported by wout | June 22nd, 2010 @ 07:59 PM

Hi,

accepts_nested_attributes_for :association is broken in one of my apps after upgrading to 2.3.8. The model itself is saved but the associations are not. I tried all different setups for the nested forms but it is definitely broken. For the time being I'm saving the associations separately.

Wout

Comments and changes to this ticket

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wout June 27th, 2010 @ 09:44 AM
I'v done some tests on three applications which all use nested forms. They were at 2.3.5 and I upgraded to 2.3.8. Now they all have the same symptoms, associations are saved on create but aren't saved on update.
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ebrahim July 10th, 2010 @ 03:24 PM
I've got a similar problem with Rails 2.3.5. This is my model: http://bitbucket.org/ebrahim/siva/src/a22fe3913315/app/models/word.rb
If I uncomment the commented validates_size_of validation, no more child WordForm objects of word_forms are destroyed when they receive _destroy=1 attribute, and no error is reported. When that validation is commented, everything works as intended.
I also checked in console: destroying some WordForm of a_word.word_forms does nothing and reports no errors.
I also tried rewriting validate_size_of using a custom validation, but behavior was the same.
I went back to Rails 2.3.5 and everything worked again, with validates_size_of enabled.
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ebrahim July 10th, 2010 @ 03:25 PM
I meant 2.3.8 in the first sentence.
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wout July 10th, 2010 @ 03:39 PM
Thank you for noticing me about it.
Commenting out the size validator did the trick indeed.

I'm bumping all apps to Rails 3 anyway.
I'l check if the same bug appears there.
Neeraj Singh July 10th, 2010 @ 05:14 PM
- State changed from “new” to “duplicate”
- Importance changed from “” to “Low”
@wout Rails3 has same issue with size validation.

This ticket is duplicate of #2646 .