Possible Duplicate:
Ruby On Rails 3 and Webrick issue
$ rails server
/Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19-0.11.25/lib/ruby-debug-base.rb:1:in `require': dlopen(/Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19-0.11.25
/lib/ruby_debug.bundle, 9): Symbol not found: _ruby_current_thread (LoadError)
Referenced from: /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.bundle
Expected in: flat namespace
in /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.bundle - /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.bu
ndle
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug-base19-0.11.25/lib/ruby-debug-base.rb:1:in `<top (required)>'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug19-0.11.6/cli/ruby-debug.rb:5:in `require'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/ruby-debug19-0.11.6/cli/ruby-debug.rb:5:in `<top (required)>'
Vineethsfrom /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.4/lib/bundler/runtime.rb:68:in `require'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.4/lib/bundler/runtime.rb:68:in `block (2 levels) in require'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.4/lib/bundler/runtime.rb:66:in `each'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.4/lib/bundler/runtime.rb:66:in `block in require'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.4/lib/bundler/runtime.rb:55:in `each'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.4/lib/bundler/runtime.rb:55:in `require'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/bundler-1.1.4/lib/bundler.rb:119:in `require'
from /Users/Vineeth/QA4/config/application.rb:7:in `<top (required)>'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/commands.rb:53:in `require'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/commands.rb:53:in `block in <top (required)>'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/commands.rb:50:in `tap'
from /Users/Vineeth/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.3/lib/rails/commands.rb:50:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
When i tried to start server from Aptana studio it shows like above........ please help me solve this error......thanks.
