Thursday, August 14, 2008

How to fix /usr/bin/gem:23: uninitialized constant Gem::GemRunner (NameError)

After I ran sudo gem update --system on Ubuntu 8.04 Hardy Heron, gem returns
/usr/bin/gem:23: uninitialized constant Gem::GemRunner (NameError)
when I run it.

The fix is very easy: Just add one line require 'rubygems/gem_runner' to /usr/bin/gem.

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