# Problem while installing rdoc-2.4.1 under Ruby 1.9.1 **URL:** \ **Category:** Ruby\ **Created:** [March 16, 2009, 7:08pm UTC](https://www.ruby-forum.com/t/problem-while-installing-rdoc-2-4-1-under-ruby-1-9-1/163022 "2009-03-16T19:08:41Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![rubina](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/e47c2d/32.png) [@rubina](https://www.ruby-forum.com/u/rubina)\ **Post date:** [March 16, 2009, 7:08pm UTC](https://www.ruby-forum.com/t/problem-while-installing-rdoc-2-4-1-under-ruby-1-9-1/163022/1 "2009-03-16T19:08:41Z")
Hello team! While installing, via gem, rdo-2.4.1 I ran into an error. Please see bellow. C:\>ruby -v ruby 1.9.1p0 (2009-01-30 revision 21907) [i386-mingw32] C:\>gem install rdoc Successfully installed rdoc-2.4.1 1 gem installed Installing ri documentation for rdoc-2.4.1… Updating ri class cache with 1261 classes… Installing RDoc documentation for rdoc-2.4.1… ERROR: While executing gem … (TypeError) can’t convert Pathname into String C:\> Any suggestions? Thank you ---
**Author:** ![rubina](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/e47c2d/32.png) [@rubina](https://www.ruby-forum.com/u/rubina)\ **Post date:** [March 16, 2009, 7:55pm UTC](https://www.ruby-forum.com/t/problem-while-installing-rdoc-2-4-1-under-ruby-1-9-1/163022/2 "2009-03-16T19:55:47Z")
On Mar 16, 2009, at 11:05, Ruby S. wrote: > Any suggestions? > What does gem install rdoc --backtrace say? RDoc was installed, but documentation was not generated 😕 ---
**Author:** ![rubina](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/e47c2d/32.png) [@rubina](https://www.ruby-forum.com/u/rubina)\ **Post date:** [March 16, 2009, 8:13pm UTC](https://www.ruby-forum.com/t/problem-while-installing-rdoc-2-4-1-under-ruby-1-9-1/163022/3 "2009-03-16T20:13:23Z")
On Mon, Mar 16, 2009 at 2:52 PM, Eric H. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > > C:\> > > > > Any suggestions? > > What does gem install rdoc --backtrace say? > > RDoc was installed, but documentation was not generated 😕 Eric, this is what I get when I add the --backtrace option: C:\>gem install rdoc --backtrace Successfully installed rdoc-2.4.1 1 gem installed Installing ri documentation for rdoc-2.4.1… Updating ri class cache with 1380 classes… Installing RDoc documentation for rdoc-2.4.1… ERROR: While executing gem … (TypeError) can’t convert Pathname into String C:/ruby/lib/ruby/gems/1.9.1/gems/rdoc-2.4.1/lib/rdoc/generator/darkfish.rb:158:in `[]’ C:/ruby/lib/ruby/gems/1.9.1/gems/rdoc-2.4.1/lib/rdoc/generator/darkfish.rb:158:in `write\_style\_sheet’ C:/ruby/lib/ruby/gems/1.9.1/gems/rdoc-2.4.1/lib/rdoc/generator/darkfish.rb:184:in `generate' C:/ruby/lib/ruby/gems/1.9.1/gems/rdoc-2.4.1/lib/rdoc/rdoc.rb:310:in `document’ C:/ruby/lib/ruby/1.9.1/rubygems/doc\_manager.rb:161:in `run_rdoc' C:/ruby/lib/ruby/1.9.1/rubygems/doc_manager.rb:130:in `install\_rdoc’ C:/ruby/lib/ruby/1.9.1/rubygems/doc\_manager.rb:115:in `generate_rdoc' C:/ruby/lib/ruby/1.9.1/rubygems/commands/install_command.rb:128:in `block in execute’ C:/ruby/lib/ruby/1.9.1/rubygems/commands/install\_command.rb:127:in `each' C:/ruby/lib/ruby/1.9.1/rubygems/commands/install_command.rb:127:in `execute’ C:/ruby/lib/ruby/1.9.1/rubygems/command.rb:136:in `invoke' C:/ruby/lib/ruby/1.9.1/rubygems/command_manager.rb:105:in `process\_args’ C:/ruby/lib/ruby/1.9.1/rubygems/command\_manager.rb:75:in `run' C:/ruby/lib/ruby/1.9.1/rubygems/gem_runner.rb:39:in `run’ C:/ruby/bin/gem.bat:32:in `’ Any idea? ---
**Author:** ![rubina](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/e47c2d/32.png) [@rubina](https://www.ruby-forum.com/u/rubina)\ **Post date:** [March 17, 2009, 7:58pm UTC](https://www.ruby-forum.com/t/problem-while-installing-rdoc-2-4-1-under-ruby-1-9-1/163022/4 "2009-03-17T19:58:36Z")
On Mar 16, 2009, at 12:10, Ruby S. wrote: > > > ERROR: While executing gem … (TypeError) > > C:/ruby/lib/ruby/gems/1.9.1/gems/rdoc-2.4.1/lib/rdoc/generator/ > darkfish.rb:158:in > `[]’ > > C:/ruby/lib/ruby/gems/1.9.1/gems/rdoc-2.4.1/lib/rdoc/generator/ > darkfish.rb:158:in > `write\_style\_sheet’ > > Any idea? I’m not going to have time to look at it just yet, but can you file a bug for me? [http://rubyforge.org/tracker/?func=add&group\_id=627&atid=2472](http://rubyforge.org/tracker/?func=add&group_id=627&atid=2472) please include ruby -v and the un-snipped backtrace from above