When you see Gem error like - "'<class:UI>': uninitialized constant Gem::SilentUI (NameError)"

gem_bundler_name_error

karthik@cloud:~/MyRubyProjects/beach_projects/dashboard$ bundle install
/home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/ui.rb:56:in '<class:UI>': uninitialized constant Gem::SilentUI (NameError)
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/ui.rb:2:in `<module:Bundler>'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/ui.rb:1:in `<top (required)>'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/cli.rb:16:in `initialize'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/vendor/thor.rb:246:in `new'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/vendor/thor.rb:246:in `dispatch'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/lib/bundler/vendor/thor/base.rb:389:in `start'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/gems/bundler-1.0.7/bin/bundle:13:in `<top (required)>'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/bin/bundle:19:in `load'
	from /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3/bin/bundle:19:in `<main>'




karthik@cloud:~/MyRubyProjects/beach_projects/dashboard$ gem update bundler
Updating installed gems
Updating bundler
Fetching: bundler-1.0.15.gem (100%)
Successfully installed bundler-1.0.15
Gems updated: bundler




karthik@cloud:~/MyRubyProjects/beach_projects/dashboard$ bundle install
Fetching source index for http://rubygems.org/
Installing rake (0.9.2) 
Using abstract (1.0.0) 
Using activesupport (3.0.3) 
Using builder (2.1.2) 
Installing i18n (0.6.0) 
Using activemodel (3.0.3) 
Using erubis (2.6.6) 
Installing rack (1.2.3) 
Installing rack-mount (0.6.14) 
Installing rack-test (0.5.7) 
Installing tzinfo (0.3.28) 
Using actionpack (3.0.3) 
Using mime-types (1.16) 
Using polyglot (0.3.1) 
Using treetop (1.4.9) 
Installing mail (2.2.19) 
Using actionmailer (3.0.3) 
Installing arel (2.0.10) 
Using activerecord (3.0.3) 
Using activeresource (3.0.3) 
Using bundler (1.0.15) 
Using thor (0.14.6) 
Using railties (3.0.3) 
Using rails (3.0.3) 
Using sqlite3 (1.3.3) 
Using sqlite3-ruby (1.3.3) 
Your bundle is complete! It was installed into /home/karthik/.rvm/gems/ruby-1.9.2-p0@rails3

Thanks a lot. I really don't understand why error messages aren't more descriptive in general in ruby world.

Thanks a lot!