mongrel installation error

[nitin456]

gem install mongrel

I get the following error:

Before reporting this, could you check that the file you're documenting
has proper syntax:

/usr/bin/ruby1.8 -c ext/http11/http11.c

RDoc is not a full Ruby parser and will fail when fed invalid ruby programs.

The internal error was:

(RegexpError) Stack overflow in regexp matcher: /.*((?>\/\*.*?\*\/\s+))
                     ([\w\.\s]+\s* = \s+)?rb_define_(class|module).*?"(Mongrel)"/mx

ERROR: While generating documentation for mongrel-1.1.5
... MESSAGE: Stack overflow in regexp matcher: /.((?>/_.?_/\s+))
([\w.\s]+\s* = \s+)?rb_define_(class|module).*?"(Mongrel)"/mx
... RDOC args: --ri --op /var/lib/gems/1.8/doc/mongrel-1.1.5/ri --line-numbers --title Mongrel --main README lib ext CHANGELOG COPYING lib/mongrel/camping.rb lib/mongrel/cgi.rb lib/mongrel/command.rb lib/mongrel/configurator.rb lib/mongrel/const.rb lib/mongrel/debug.rb lib/mongrel/gems.rb lib/mongrel/handlers.rb lib/mongrel/header_out.rb lib/mongrel/http_request.rb lib/mongrel/http_response.rb lib/mongrel/init.rb lib/mongrel/rails.rb lib/mongrel/stats.rb lib/mongrel/tcphack.rb lib/mongrel/uri_classifier.rb lib/mongrel.rb LICENSE README --title mongrel-1.1.5 Documentation --quiet

[userlocalhost]

Thank you for using Trema Satellite.

I guess this is a problem of the 'mongrel'.
The 'mongrel' is a web server library which is maintained by the project of following.

https://github.com/mongrel/mongrel

To address this problem swiftly, I recommand you to report it to the project page of mongrel.

Regards,

-- Hiroyasu.OHYAMA