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Upgrade to Rails 4? #11

joevandyk opened this Issue Mar 1, 2014 · 3 comments


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joevandyk commented Mar 1, 2014

Any chance this gem could be compatible with Rails 4?


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krancour commented May 1, 2014

Another github user named @peterbeers forked this and made it Rails 4 compatible. It works great. But neither this nor peterbeer's is Rails 4.1 compatible. I dug down into this and try as I might, I couldn't get it to work with Rails 4.1. If someone who understands validations (and the callbacks used internally by validations) better than me, I'd be very interested in a Rails 4.1-compatible version of this.


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marklohr commented Sep 16, 2015

Refer to the changes made to the gem here:

This fixed the issue for us using Rails 4.2.4.


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umer98 commented Jan 27, 2016

I am using Rails 4.2.4 but I am still getting the following error:

2.2.3 :002 > game.valid?
NoMethodError: undefined method `validate' for #<ActiveSupport::Callbacks::Callback:0x007f9ae41149b0>

Any ideas?

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