1:在公司上網是有windows代理的(ntlm),而rails又都是gem安裝，對于接觸rails不多的人來時真是一場災難，我是在網站上google了半天才將rails的依賴一個一個的安裝上，然后按照上了rails2.3.3；
2：安裝后，http://localhost:3000可以看到，但是click "About your application's environment"是一直提示錯誤。
Status: 500 Internal Server Error
RubyGem version error: sqlite3-ruby(1.3.1 not >= 0)
d:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems.rb:926:in report_activate_error' d:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems.rb:244:in activate_dep'
d:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems.rb:236:in activate' d:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems.rb:213:in rescue in try_activate'
d:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems.rb:210:in try_activate' d:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:56:in rescue in require'
d:/Ruby192/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:35:in require' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in block in require'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:521:in new_constants_in' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-2.3.3/lib/active_support/dependencies.rb:156:in require'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-2.3.3/lib/active_support/core_ext/kernel/requires.rb:7:in block in require_library_or_gem' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-2.3.3/lib/active_support/core_ext/kernel/reporting.rb:11:in silence_warnings'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-2.3.3/lib/active_support/core_ext/kernel/requires.rb:5:in require_library_or_gem' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/sqlite3_adapter.rb:10:in sqlite3_connection'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:223:in new_connection' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:245:in checkout_new_connection'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:188:in block (2 levels) in checkout' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in loop'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:184:in block in checkout' d:/Ruby192/lib/ruby/1.9.1/monitor.rb:201:in mon_synchronize'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:183:in checkout' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:98:in connection'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:326:in retrieve_connection' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:123:in retrieve_connection'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_specification.rb:115:in connection' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/query_cache.rb:9:in cache'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/query_cache.rb:28:in call' d:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-2.3.3/lib/active_record/connection_adapters/abstract/connection_pool.rb:361:in call'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/head.rb:9:in call' d:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/methodoverride.rb:24:in call'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-2.3.3/lib/action_controller/params_parser.rb:15:in call' d:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-2.3.3/lib/action_controller/session/cookie_store.rb:93:in call'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-2.3.3/lib/action_controller/reloader.rb:29:in call' d:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-2.3.3/lib/action_controller/failsafe.rb:26:in call'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/lock.rb:11:in block in call' <internal:prelude>:10:in synchronize'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/lock.rb:11:in call' d:/Ruby192/lib/ruby/gems/1.9.1/gems/actionpack-2.3.3/lib/action_controller/dispatcher.rb:106:in call'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/rails-2.3.3/lib/rails/rack/static.rb:31:in call' d:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/urlmap.rb:46:in block in call'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/urlmap.rb:40:in each' d:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/urlmap.rb:40:in call'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/rails-2.3.3/lib/rails/rack/log_tailer.rb:17:in call' d:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/content_length.rb:13:in call'
d:/Ruby192/lib/ruby/gems/1.9.1/gems/rack-1.0.0/lib/rack/handler/webrick.rb:46:in service' d:/Ruby192/lib/ruby/1.9.1/webrick/httpserver.rb:111:in service'
d:/Ruby192/lib/ruby/1.9.1/webrick/httpserver.rb:70:in run' d:/Ruby192/lib/ruby/1.9.1/webrick/server.rb:183:in block in start_thread'
安裝sqlit3-ruby后，還是一直提示錯誤。后來使用proxy，
gem install sqlite3-ruby #在線安裝，提示
Successfully installed sqlite3-1.3.3-x86-mingw32
Successfully installed sqlite3-ruby-1.3.3
2 gems installed
這樣就ok了。
==========20110420补充
在另一台windowxp上重新安装又是出错
最后终于发现原来是要安装sqlite3-1.3.3-x86-mingw32.gem才可以
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