用GEM安装Heroku客户端出错
http://devcenter.heroku.com/articles/heroku-command我是按照上面的教程安装的
命令gem install heroku
成功执行完毕
执行heroku keys:add
的时候出现如下错误leozhou@ubuntu:~$ heroku keys:add
/home/leozhou/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': no such file to load -- readline (LoadError)
from /home/leozhou/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /home/leozhou/.rvm/gems/ruby-1.9.2-p290/gems/heroku-2.8.6/lib/heroku/command/run.rb:1:in `<top (required)>'
from /home/leozhou/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /home/leozhou/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /home/leozhou/.rvm/gems/ruby-1.9.2-p290/gems/heroku-2.8.6/lib/heroku/command.rb:17:in `block in load'
from /home/leozhou/.rvm/gems/ruby-1.9.2-p290/gems/heroku-2.8.6/lib/heroku/command.rb:16:in `each'
from /home/leozhou/.rvm/gems/ruby-1.9.2-p290/gems/heroku-2.8.6/lib/heroku/command.rb:16:in `load'
from /home/leozhou/.rvm/gems/ruby-1.9.2-p290/gems/heroku-2.8.6/bin/heroku:13:in `<top (required)>'
from /home/leozhou/.rvm/gems/ruby-1.9.2-p290/bin/heroku:19:in `load'
from /home/leozhou/.rvm/gems/ruby-1.9.2-p290/bin/heroku:19:in `<main>'新手，望大家指点一二：
环境如下：
ubuntu11.04
ruby:1.9.2
gems:1.8.10
java:1.7
git:1.7.4.1 查了很多资料
貌似引起错误的真正原因是这个：
WARNING:RubyGems 1.2+ index not found for:
RubyGems will revert to legacy indexes degrading performance 现在手动安装heroku成功了
安装路径是：~/.rvm/gems/ruby-1.9.2-p290/gems/heroku-2.8.6
其中目录~/.rvm/gems/ruby-1.9.2-p290/gems/中还包含乐heroku依赖的gem库如下：
addressable-2.2.6heroku-2.8.6launchy-2.0.5mime-types-1.16rest-client-1.6.7rubyzip-0.9.4term-ansicolor-1.0.6
现在运行heroku出现如下错误
internal:lib/rubygems/custom_require>:29:in `require': no such file to load -- rest_client (LoadError)
可rest_client明明已经安装在~/.rvm/gems/ruby-1.9.2-p290/gems/下了啊，是因为环境变量吗？可是我export一下还是不行？到底什么原因？望大家指点 没安装过这东西。 安装上readline试试
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