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RDoc uninitialized constant error rails 2.3.12

Posted on 2011-09-07
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Last Modified: 2012-05-12
still troubleshooting:

[21:51:46]kevin[ndthub]$ rake -T
rake aborted!
uninitialized constant RDoc

*** LOCAL GEMS ***

actionmailer (2.3.12, 2.3.11)
actionpack (2.3.12, 2.3.11)
activerecord (2.3.12, 2.3.11)
activeresource (2.3.12, 2.3.11)
activesupport (2.3.12, 2.3.11)
babosa (0.3.5)
builder (3.0.0)
bundler (1.0.18)
hoptoad_notifier (2.4.11)
multi_json (1.0.3)
rack (1.1.2)
rails (2.3.12, 2.3.11)
rake (0.9.2, 0.9.0)
rdoc (3.9.4, 2.5.11, 2.4.3)
rdoc-data (2.5.3)
sqlite3 (1.3.4)

[21:54:01]kevin[ndthub]$ rvm gemset list

gemsets for ruby-1.8.7-p352 (found in /Users/kevin/.rvm/gems/ruby-1.8.7-p352)
   global
=> rails2
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Question by:depassion
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7 Comments
 
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Accepted Solution

by:
JESii earned 500 total points
ID: 36498832
this is a known problem with Rails 2.3.12 and rake...

see https://github.com/rails/rails/issues/1551 for the bug report and discussion of various work-arounds.
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Author Comment

by:depassion
ID: 36503643
that solution didn't work for me

#Gemfile
gem "rails", "2.3.12"
gem "rdoc"
gem "rake", "0.8.7"

#Rakefile
require 'rake'
require 'rake/testtask'
require 'tasks/rails'
require 'rdoc/task'
0
 

Author Comment

by:depassion
ID: 36505686
21:36:56]kevin[ndthub]$ rake --trace
rake aborted!
uninitialized constant RDoc
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/ext/module.rb:36:in `const_missing'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@rails2/gems/rails-2.3.12/lib/tasks/documentation.rake:3
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/task_manager.rb:207:in `in_namespace'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/dsl_definition.rb:95:in `namespace'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@rails2/gems/rails-2.3.12/lib/tasks/documentation.rake:1
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@rails2/gems/rails-2.3.12/lib/tasks/rails.rb:4:in `load'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@rails2/gems/rails-2.3.12/lib/tasks/rails.rb:4
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@rails2/gems/rails-2.3.12/lib/tasks/rails.rb:4:in `each'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@rails2/gems/rails-2.3.12/lib/tasks/rails.rb:4
/Users/kevin/projects/ndthub/Rakefile:8:in `require'
/Users/kevin/projects/ndthub/Rakefile:8
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/rake_module.rb:25:in `load'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/rake_module.rb:25:in `load_rakefile'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/application.rb:495:in `raw_load_rakefile'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/application.rb:78:in `load_rakefile'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/application.rb:77:in `load_rakefile'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/application.rb:61:in `run'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/application.rb:129:in `standard_exception_handling'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/lib/rake/application.rb:59:in `run'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@global/gems/rake-0.9.2/bin/rake:32
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@rails2/bin/rake:19:in `load'
/Users/kevin/.rvm/gems/ruby-1.8.7-p352@rails2/bin/rake:19
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LVL 12

Expert Comment

by:JESii
ID: 36510212
OK; check out the comments on this post
     http://weblog.rubyonrails.org/2011/6/8/ann-rails-2-3-12-has-been-released
It mentions some changes to your rakefile.

There's also this suggestion:
     "It [dependency on the rdoc gem] is a shadow dependency that breaks functionality out of the box. Since it isn't required by core rails but only in the Rakefiles, I got away with "gem 'rdoc', :require => nil" in my Gemfile."
in this commit (https://github.com/rails/rails/commit/79aa54d0c781ea518e09d62c48e70d2d5619fe33) which is apparently the one that caused the breakage.

If that doesn't work, you might consider falling back to 2.3.11... or even upgrading to 3.0.x? (I'm still not on Rails 3.1 as it has a major change in asset (javascript, css, ...) handling)
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Assisted Solution

by:depassion
depassion earned 0 total points
ID: 36510229
actually the problem was in my Rakefile:

#Rakefile
require(File.join(File.dirname(__FILE__), 'config', 'boot'))
require 'rake'
require 'rake/testtask'
require 'tasks/rails'
require 'rdoc/task'

the last two lines needed to be swapped around so :

require(File.join(File.dirname(__FILE__), 'config', 'boot'))
require 'rake'
require 'rake/testtask'
require 'rdoc/task'
require 'tasks/rails'




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Author Closing Comment

by:depassion
ID: 36534639
combination of advice on different sites
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LVL 12

Expert Comment

by:JESii
ID: 36510553
I also noticed that Rails 2.3.14 was released recently
   http://weblog.rubyonrails.org/2011/8/16/ann-rails-2-3-14
and I see that it mentions a fix for "RDoc task errors" which might apply in your case.
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