# Ruby 1.9 problem

**URL:** <https://discuss.rubyonrails.org/t/ruby-1-9-problem/42382>\
**Category:** rubyonrails-talk\
**Created:** [May 10, 2009, 8:13pm UTC](https://discuss.rubyonrails.org/t/ruby-1-9-problem/42382 "2009-05-10T20:13:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Frederick\_Cheung](https://sea2.discourse-cdn.com/rubyonrails/user_avatar/discuss.rubyonrails.org/frederick_cheung/32/3901_2.png) [@Frederick\_Cheung](https://discuss.rubyonrails.org/u/Frederick_Cheung)\
**Post date:** [May 10, 2009, 8:13pm UTC](https://discuss.rubyonrails.org/t/ruby-1-9-problem/42382/1 "2009-05-10T20:13:38Z")

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> What wrong:
> 
> # rails test /var/lib/gems/1.9.0/gems/activesupport-2.3.2/lib/active\_support/core\_ext/ur i.rb:8:in

Don't use 1.9.0 - it's an unstable development version. The first stable version of ruby 1.9 is 1.9.1

Fred