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comp.lang.ruby

Rubygems - uninitialized constant

Tom Cloyd

7/18/2008 9:54:00 AM

With a fresh install of Rubygems, when I issue a "gem -h" command, the
result is:

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

Background:

With a fresh installation of Kubuntu 8.04.1 Linux, I installed ruby 1.8
with "apt-get...", and then installed rubygems 1.8 from the tar file at
rubyforge. There were problems, so I figured the rubygems install done
that way was a bad idea. Basically, I was getting an odd message when
trying to install the webby gem. Three other gems did install without
error, including sequel.

So, I reinstalled ruby 1.8, and rubygems from the Adept package manager,
at which point I got the unexpected problem above.

I don't know what's wrong or how to get a good install of rubygems, at
this point. All suggests greatly appreciated.

Thanks,

Tom


--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Tom Cloyd
Bellingham, Washington, U.S.A: (360) 920-1226
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 Answers

Tom Cloyd

7/18/2008 10:15:00 AM

0

Tom Cloyd wrote:
> With a fresh install of Rubygems, when I issue a "gem -h" command, the
> result is:
>
> /usr/bin/gem:23: uninitialized constant Gem::GemRunner (NameError)
>
> Background:
>
> With a fresh installation of Kubuntu 8.04.1 Linux, I installed ruby 1.8
> with "apt-get...", and then installed rubygems 1.8 from the tar file at
> rubyforge. There were problems, so I figured the rubygems install done
> that way was a bad idea. Basically, I was getting an odd message when
> trying to install the webby gem. Three other gems did install without
> error, including sequel.
>
> So, I reinstalled ruby 1.8, and rubygems from the Adept package manager,
> at which point I got the unexpected problem above.
>
> I don't know what's wrong or how to get a good install of rubygems, at
> this point. All suggests greatly appreciated.
>
> Thanks,
>
> Tom
>
>

Thanks to a kind soul on the Webby list (there's NEVER anyone there this
time of night - but Doug Livesey was, tonight - tks Doug!) I now have
the fix on this -

http://ericbeland.com/2007/12/20/uninitialized-constant-gem...

/usr/bin/gem simply needs the following line inserted into it.

require 'rubygems/gem_runner'

Now things work.

I hope this gets fix by someone, if such a response is needed.
Apparently its happened to other people.

t.

--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Tom Cloyd, MS MA, LMHC - Private practice Psychotherapist
Bellingham, Washington, U.S.A: (360) 920-1226
<< tc@tomcloyd.com >> (email)
<< TomCloyd.com >> (website & psychotherapy weblog)
<< sleightmind.wordpress.com >> (mental health issues weblog)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Eric Hodel

7/23/2008 6:02:00 AM

0

On Jul 18, 2008, at 03:14 AM, Tom Cloyd wrote:
> Tom Cloyd wrote:
>> With a fresh install of Rubygems, when I issue a "gem -h" command,
>> the result is:
>> /usr/bin/gem:23: uninitialized constant Gem::GemRunner (NameError)
>> Background:
>> With a fresh installation of Kubuntu 8.04.1 Linux, I installed ruby
>> 1.8 with "apt-get...", and then installed rubygems 1.8 from the tar
>> file at rubyforge. There were problems, so I figured the rubygems
>> install done that way was a bad idea. Basically, I was getting an
>> odd message when trying to install the webby gem. Three other gems
>> did install without error, including sequel.
>> So, I reinstalled ruby 1.8, and rubygems from the Adept package
>> manager, at which point I got the unexpected problem above.
>> I don't know what's wrong or how to get a good install of rubygems,
>> at this point. All suggests greatly appreciated.
>> Thanks,
>> Tom
>
> Thanks to a kind soul on the Webby list (there's NEVER anyone there
> this time of night - but Doug Livesey was, tonight - tks Doug!) I
> now have the fix on this -
>
> http://ericbeland.com/2007/12/20/uninitialized-constant-gem...
>
> /usr/bin/gem simply needs the following line inserted into it.
>
> require 'rubygems/gem_runner'
>
> Now things work.
>
> I hope this gets fix by someone, if such a response is needed.
> Apparently its happened to other people.

No, this is wrong.

You have an old `gem` lying around. Recent RubyGems releases install
gem to match your ruby binary's name, which is usually symlinked from
something like `ruby1.8` to `ruby` (thus, `gem1.8`). Delete `gem` and
symlink it appropriately. When you installed RubyGems the last thing
it printed was where it installed the gem executable.