undefined method `reset' for RDoc::TopLevel:Class when installing a new Ruby gem

Question

For example,

$ gem install netaddr
Fetching: netaddr-1.5.1.gem (100%)
Successfully installed netaddr-1.5.1
ERROR:  While executing gem ... (NoMethodError)
    un         


        

Answer 1

When installing rdoc it tries to generate its own documentation using rdoc. The binary is installed (probably in /usr/bin), but it will not be found at the moment of gem install - if this is the first time. gem install rdoc --no-document