From: Serguei Cambour <s.cambour@...>
Date: 2009-12-05T00:22:41+09:00
Subject: gems installation - invalid gem format

No matter on which OS you are, - XP Family, XP Pro or Ubuntu 9.10. No
matter if you have firewall 'hyper-sensitive' or proxy. When trying to
do gem update --system or even when trying to install a new gem like
'gem install [gem_name] I always got the below error:
------------------------------------------------------
serge@serge-laptop:~$ sudo gem install heroku
ERROR:  Error installing heroku:
  invalid gem format for /usr/lib/ruby/gems/1.8/cache/heroku-1.4.gem

serge@serge-laptop:~$ ruby -v
ruby 1.8.7 (2009-06-12 patchlevel 174) [i486-linux]
serge@serge-laptop:~$ gem -v
1.3.5
 I always get the above error of '...invalid gem format..'. Any idea how
to resolve that? Something goes wrong in rubygems
commits/dependencies?Thank you.
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