Rails - Feb 2010 - Edge Rails 3: Mongrel stuck in infinite loop, Unicorn missing uninitialized constant Rack::Runtime

Hi,

I wanted to try out Edge Rails 3 today and hit a serious problem
trying to run mongrel.

script/rails server mongrel just hangs. Interrupting and looking up
the spot of the lockup revealed

$LOAD_PATH.unshift ''projects/mongrel_experimental/lib/''
Mongrel::Gems.require ''mongrel_experimental'',
">=#{Mongrel::Const::MONGREL_VERSION}"

at the bottom of mongrel.rb. This executes Mongrel::Gems.require which
contains this wonderful ($%^##&#) infinite loop:

begin
  # ActiveSupport breaks ''require'' by making it always return
a true
value
  Kernel.require ''rubygems''
  version ? gem(library, version) : gem(library)
  retry
rescue Gem::LoadError, LoadError, RuntimeError
  # puts "** #{library.inspect} could not be loaded" unless library
="mongrel_experimental"
end

Removing the two lines cited above from mongrel.rb cures the problem.
This is however not a feasible solution, since these lines are in the
system-wide  mongrel gem and I don''t think hacking around in these is
a good idea.

I tried Unicorn as well but it always presented me with a
`load_missing_constant'': uninitialized constant Rack::Runtime
(NameError).

Does anyone have an idea how to solve this?

kind regards

Jan

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Hi Jan.
I had the same problem, even with other two othes gems, and I resolved 
the issue adding the gems in Gemfile and doing ''bundle
install''.

the gems were:

gem "cgi_multipart_eof_fix"
gem "fastthread"
gem "mongrel_experimental"

all of them are required in mongrel.rb with sentecese like

Mongrel::Gems.require ''cgi_multipart_eof_fix'' (line 16)
Mongrel::Gems.require ''fastthread''            (line 17)
Mongrel::Gems.require ''mongrel_experimental''  (line 355)

I don''t know the diference with a normal require
''gem'' statement, but I
think here is the problem.

Hope this helps.
Juan M. Cervera

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Yeah, I already read that in your comment on the Rails weblog.
Thanks a lot!

With the Rails prerelease gem, Unicorn seems to be working again.

Problem solved.

On Feb 5, 3:45 pm, Juanma Cervera
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org>
wrote:
> Hi Jan.
> I had the same problem, even with other two othes gems, and I resolved
> the issue adding the gems in Gemfile and doing ''bundle
install''.
>
> the gems were:
>
> gem "cgi_multipart_eof_fix"
> gem "fastthread"
> gem "mongrel_experimental"
>
> all of them are required in mongrel.rb with sentecese like
>
> Mongrel::Gems.require ''cgi_multipart_eof_fix'' (line 16)
> Mongrel::Gems.require ''fastthread''            (line 17)
> Mongrel::Gems.require ''mongrel_experimental''  (line 355)
>
> I don''t know the diference with a normal require
''gem'' statement, but I
> think here is the problem.
>
> Hope this helps.
> Juan M. Cervera
>
> --
> Posted viahttp://www.ruby-forum.com/.
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