Rains 中 webrick服务开启错

=> Booting WEBrick...
c:/ruby/lib/ruby/gems/1.8/gems/php?name=rails" onclick="tagshow(event)" class="t_tag">rails-2.0.2/lib/commands/servers/webrick.rb:13: warning: already initialized constant OPTIONS
=> Booting Mongrel (use 'script/server webrick' to force WEBrick)
=> Rails application starting on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
Exiting
** Starting Mongrel listening at 0.0.0.0:3000
** Starting Rails with development environment...
c:/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/servers/mongrel.rb:16: warning: already initialized constant OPTIONS
c:/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/servers/mongrel.rb:19: undefined method `options' for []:Array (NoMethodError)
    from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `gem_original_require'
    from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `require'
    from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:496:in `require'
    from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in `new_constants_in'
    from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:496:in `require'
    from c:/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/commands/server.rb:39
    from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `gem_original_require'
    from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:32:in `require'
    from ./script/server:3
    from -e:2:in `load'
    from -e:2

从网上查到.把/vendor/plugins中的所有文件剪切出来再逐一拷贝回去并测试服务器.也发现是upload_column_stable导致的出错。但是我upload_column需要的gem我全装了.还是报这样的错.....希望各位给我提提意见..THX