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difference in MRI vs. JRuby behavior
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| > RUBY_DESCRIPTION | |
| => "jruby 1.7.6 (2.0.0p195) 2013-10-22 6004147 on Java HotSpot(TM) 64-Bit Server VM 1.6.0_65-b14-462-11M4609 [darwin-x86_64]" | |
| > User.first.try :devise_mailer | |
| NoMethodError: undefined method `devise_mailer' for #<User:0x12d4172e> | |
| from org/jruby/RubyBasicObject.java:1497:in `method_missing' |
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| > RUBY_DESCRIPTION | |
| => "ruby 2.0.0p247 (2013-06-27 revision 41674) [x86_64-darwin12.4.0]" | |
| > User.first.try :devise_mailer | |
| => nil |
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