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Processing WelcomeController#index (for 172.31.23.95 at 2008-04-07 17:19:11) [GET]
  Session ID: d6af242ad9bd5813c55b04851867f493
  Parameters: {"action"=>"index", "controller"=>"welcome"}


RuntimeError (Unable to create the anonymous user.):
    /app/models/user.rb:251:in `anonymous'
    /app/models/user.rb:243:in `current'
    /app/controllers/application.rb:57:in `check_if_login_required'
    /vendor/rails/actionpack/lib/action_controller/filters.rb:469:in `send!'
    /vendor/rails/actionpack/lib/action_controller/filters.rb:469:in `call'
    /vendor/rails/actionpack/lib/action_controller/filters.rb:441:in `run'
    /vendor/rails/actionpack/lib/action_controller/filters.rb:716:in `run_before_filters'
    /vendor/rails/actionpack/lib/action_controller/filters.rb:695:in `call_filters'
    /vendor/rails/actionpack/lib/action_controller/filters.rb:689:in `perform_action_without_benchmark'
    /vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
    /usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
    /vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
    /vendor/rails/actionpack/lib/action_controller/rescue.rb:199:in `perform_action_without_caching'
    /vendor/rails/actionpack/lib/action_controller/caching.rb:678:in `perform_action'
    /vendor/rails/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb:33:in `cache'
    /vendor/rails/activerecord/lib/active_record/query_cache.rb:8:in `cache'
    /vendor/rails/actionpack/lib/action_controller/caching.rb:677:in `perform_action'
    /vendor/rails/actionpack/lib/action_controller/base.rb:524:in `send'
    /vendor/rails/actionpack/lib/action_controller/base.rb:524:in `process_without_filters'
    /vendor/rails/actionpack/lib/action_controller/filters.rb:685:in `process_without_session_management_support'
    /vendor/rails/actionpack/lib/action_controller/session_management.rb:123:in `process'
    /vendor/rails/actionpack/lib/action_controller/base.rb:388:in `process'
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:171:in `handle_request'
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:115:in `dispatch'
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:126:in `dispatch_cgi'
    /vendor/rails/actionpack/lib/action_controller/dispatcher.rb:9:in `dispatch'
    /vendor/rails/railties/lib/webrick_server.rb:112:in `handle_dispatch'
    /vendor/rails/railties/lib/webrick_server.rb:78:in `service'
    /usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
    /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
    /usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
    /usr/lib/ruby/1.8/webrick/server.rb:162:in `start'
    /usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
    /usr/lib/ruby/1.8/webrick/server.rb:95:in `start'
    /usr/lib/ruby/1.8/webrick/server.rb:92:in `each'
    /usr/lib/ruby/1.8/webrick/server.rb:92:in `start'
    /usr/lib/ruby/1.8/webrick/server.rb:23:in `start'
    /usr/lib/ruby/1.8/webrick/server.rb:82:in `start'
    /vendor/rails/railties/lib/webrick_server.rb:62:in `dispatch'
    /vendor/rails/railties/lib/commands/servers/webrick.rb:66
    /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
    /usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in `require'
    /vendor/rails/activesupport/lib/active_support/dependencies.rb:496:in `require'
    /vendor/rails/activesupport/lib/active_support/dependencies.rb:342:in `new_constants_in'
    /vendor/rails/activesupport/lib/active_support/dependencies.rb:496:in `require'
    /vendor/rails/railties/lib/commands/server.rb:39
    script/server:3:in `require'
    script/server:3

Rendering /var/redmine/public/500.html (500 Internal Server Error)