Forum: Ruby on Rails Please solve my Problem. I am creating first ruby web app

I have installed rails 2.3.5 and gem 1.3.4. I cretaed first ruby web
application using rails welcome
also i created ruby script\generate controller hi
and added one function called welcome

And started server using ruby script\server

I hited the address http://localhost:3000/welcome/hi

and this error occures. The same error is occuring on my laptop, desktop
and also one more desktop.

Please help me out, i have putted the console error below.,


/!\ FAILSAFE /!\  Mon Feb 01 00:00:25 +0530 2010
  Status: 500 Internal Server Error
  uninitialized constant Encoding
    c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/depend
encies.rb:443:in `load_missing_constant'
    c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/depend
encies.rb:80:in `const_missing'
    c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.4/lib/active_support/depend
encies.rb:92:in `const_missing'
    c:/ruby/lib/ruby/gems/1.8/gems/sqlite3-0.0.6/lib/sqlite3/encoding.rb:9:in
`f
ind'
    c:/ruby/lib/ruby/gems/1.8/gems/sqlite3-0.0.6/lib/sqlite3/database.rb:69:in
`
initialize'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/sqlite3_adapter.rb:13:in `new'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/sqlite3_adapter.rb:13:in `sqlite3_connection'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:223:in `send'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:223:in `new_connection'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:245:in `checkout_new_connection'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:188:in `checkout'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:184:in `loop'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:184:in `checkout'
    c:/ruby/lib/ruby/1.8/monitor.rb:242:in `synchronize'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:183:in `checkout'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:98:in `connection'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:326:in `retrieve_connection'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_specification.rb:123:in
`retrieve_connection'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_specification.rb:115:in `connection'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/query_ca
che.rb:9:in `cache'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/query_ca
che.rb:28:in `call'
    c:/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.4/lib/active_record/connecti
on_adapters/abstract/connection_pool.rb:361:in `call'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/head.rb:9:in
`call'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/methodoverride.rb:24:in
`
call'
    c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/params
_parser.rb:15:in `call'
    c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/sessio
n/cookie_store.rb:93:in `call'
    c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/failsa
fe.rb:26:in `call'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/lock.rb:11:in
`call'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/lock.rb:11:in
`synchroniz
e'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/lock.rb:11:in
`call'
    c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/dispat
cher.rb:114:in `call'
    c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/reload
er.rb:34:in `run'
    c:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.3.4/lib/action_controller/dispat
cher.rb:108:in `call'
    c:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/rack/static.rb:31:in
`c
all'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/urlmap.rb:46:in
`call'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/urlmap.rb:40:in
`each'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/urlmap.rb:40:in
`call'
    c:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/rails/rack/log_tailer.rb:17:i
n `call'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/content_length.rb:13:in
`
call'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/handler/webrick.rb:50:in
`service'
    c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in `service'
    c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in `run'
    c:/ruby/lib/ruby/1.8/webrick/server.rb:173:in `start_thread'
    c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start'
    c:/ruby/lib/ruby/1.8/webrick/server.rb:162:in `start_thread'
    c:/ruby/lib/ruby/1.8/webrick/server.rb:95:in `start'
    c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `each'
    c:/ruby/lib/ruby/1.8/webrick/server.rb:92:in `start'
    c:/ruby/lib/ruby/1.8/webrick/server.rb:23:in `start'
    c:/ruby/lib/ruby/1.8/webrick/server.rb:82:in `start'
    c:/ruby/lib/ruby/gems/1.8/gems/rack-1.0.1/lib/rack/handler/webrick.rb:14:in
`run'
    c:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.4/lib/commands/server.rb:111
    c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`gem_origina
l_require'
    c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in
`require'
    script/server:3