# Yaml warning messages

**URL:** <https://rubytalk.org/t/yaml-warning-messages/21581>\
**Category:** ruby-talk\
**Created:** [15 October 2005 21:40 UTC](https://rubytalk.org/t/yaml-warning-messages/21581 "2005-10-15T21:40:59Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Jon\_A\_Lambert2](https://avatars.discourse-cdn.com/v4/letter/j/43a26b/32.png) [@Jon\_A\_Lambert2](https://rubytalk.org/u/Jon_A_Lambert2)\
**Post date:** [15 October 2005 21:40 UTC](https://rubytalk.org/t/yaml-warning-messages/21581/1 "2005-10-15T21:40:59Z")

</div>

Are these new warning messages actionable?  
Is it safe to remain blissfully ignorant of what's going on here?

$ ruby --version  
ruby 1.8.3 (2005-09-21) [i386-cygwin]

(eval):2: warning: method redefined; discarding old taguri  
(eval):14: warning: redefine yaml\_tag\_subclasses?  
(eval):2: warning: method redefined; discarding old taguri  
(eval):14: warning: redefine yaml\_tag\_subclasses?  
(eval):2: warning: method redefined; discarding old taguri  
(eval):14: warning: redefine yaml\_tag\_subclasses?  
(eval):2: warning: method redefined; discarding old taguri  
(eval):14: warning: redefine yaml\_tag\_subclasses?  
(eval):2: warning: method redefined; discarding old taguri  
(eval):14: warning: redefine yaml\_tag\_subclasses?  
(eval):2: warning: method redefined; discarding old taguri  
(eval):14: warning: redefine yaml\_tag\_subclasses?  
(eval):2: warning: method redefined; discarding old taguri  
/usr/lib/ruby/1.8/yaml/types.rb:13: warning: method redefined; discarding old initialize  
/usr/lib/ruby/1.8/yaml/types.rb:28: warning: method redefined; discarding old initialize  
(eval):2: warning: method redefined; discarding old taguri  
/usr/lib/ruby/1.8/yaml.rb:133: warning: instance variable @input not initialized  
/usr/lib/ruby/1.8/yaml.rb:133: warning: instance variable @input not initialized