I found in my code this
'include REXML'
removing this line helped to me fix this issue.
Try to find in your code inclusion Namspace with Encoding constant

On Jun 15, 1:57 pm, Maxim Shytikov <[email protected]> wrote:
> Hi,
>
> First of all, I'm sorry for my English.
>
> Looks like I found the reason of this problem:
> I use REE 1.8.7, gem v=1.3.7
> problem in
>  ... /lib/ruby/site_ruby/1.8/rubygems/source_index.rb:89:in `read':
> can't convert Hash into Integer (TypeError)
>
> because code
>
>    if defined? Encoding then File.read file_name, :encoding => 'UTF-8'
>
> will work only with ruby 1.9
> you can find difference here
>  http://ruby-doc.org/core-1.8.7/classes/IO.html#M000467
>  http://ruby-doc.org/ruby-1.9/classes/IO.html#M000125
>
> I found that '(defined? Encoding) == true' because REXML::Encoding
> loaded
>
> On Jun 13, 11:34 pm, structuralartistry <[email protected]> wrote:
>
>
>
> > I am having different results between when I start mongrel with script/
> > server and with mongrel_rails start.
>
> > When I run script/server to boot mongrel everything runs fine, no
> > errors.
>
> > When I run mongrel_rails start I get the following errors - verified
> > the problem on a fresh app and on two different environments (mac and
> > yes, windows server 2008). The actual line of fault changes but the
> > problem is always originating in /usr/local/bin/mongrel_rails:19
>
> > I would very much appreciate any ideas.
>
> > David
>
> > C:\webapps\creditcompare>mongrel_rails start -e production
> > ** Starting Mongrel listening at 0.0.0.0:3000
> > ** Starting Rails with production environment...
> > ** Rails loaded.
> > ** Loading any Rails specific GemPlugins
> > C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/source_index.rb:89:in
> > `read': can't convert Hash into Integer (TypeError)
> >         from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
> > source_index.rb:89:in `load_specification'
> >         from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
> > source_index.rb:153:in `load_gems_in'
> >         from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
> > source_index.rb:152:in `each'
> >         from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
> > source_index.rb:152:in `load_gems_in'
> >         from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
> > source_index.rb:149:in `reverse_each'
> >         from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
> > source_index.rb:149:in `load_gems_in'
> >         from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
> > source_index.rb:345:in `refresh!'
> >         from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
> > source_index.rb:78:in `from_gems_in'
> >         from C:/Ruby187/lib/ruby/site_ruby/1.8/rubygems/
> > source_index.rb:60:in `from_installed_gems'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/gem_plugin-0.2.3/lib/
> > gem_plugin.rb:109:in `load'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/../lib/mongrel/configurator.rb:231:in `load
> > _plugins'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/mongrel_rails:117:in `cloaker_'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/../lib/mongrel/configurator.rb:149:in `call
> > '
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/../lib/mongrel/configurator.rb:149:in `list
> > ener'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/mongrel_rails:99:in `cloaker_'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/../lib/mongrel/configurator.rb:50:in `call'
>
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/../lib/mongrel/configurator.rb:50:in `initi
> > alize'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/mongrel_rails:84:in `new'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/mongrel_rails:84:in `run'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/../lib/mongrel/command.rb:212:in `run'
> >         from C:/Ruby187/lib/ruby/gems/1.8/gems/mongrel-1.1.5-x86-
> > mingw32/bin/mongrel_rails:281
> >         from C:/Ruby187/bin/mongrel_rails:19:in `load'
> >         from C:/Ruby187/bin/mongrel_rails:19
>
> > C:\webapps\creditcompare>
>
> > Sun Jun 13 13:12:32 -0700 2010: Error calling Dispatcher.dispatch
> > #<NoMethodError: You have a nil object when you didn't expect it!
> > You might have expected an instance of ActiveRecord::Base.
> > The error occurred while evaluating nil.[]>
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> > cgi.rb:108:in `send_cookies'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> > cgi.rb:136:in `out'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> > http_response.rb:65:in `start'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> > cgi.rb:135:in `out'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> > rails.rb:81:in `process'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 159:in `process_client'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 158:in `each'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 158:in `process_client'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 285:in `run'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 285:in `initialize'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 285:in `new'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 285:in `run'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 268:in `initialize'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 268:in `new'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel.rb:
> > 268:in `run'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> > configurator.rb:282:in `run'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> > configurator.rb:281:in `each'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> > configurator.rb:281:in `run'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:
> > 128:in `run'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/../lib/mongrel/
> > command.rb:212:in `run'
> > /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:281
> > /usr/local/bin/mongrel_rails:19:in `load'
> > /usr/local/bin/mongrel_rails:19

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