我可以在Netbeans 7.1，ruby-1.9.3-p194，Rails 3.2.3之外成功运行ruby-debug。
但是对于netbeans，我一直收到这条消息。
SEVERE [org.rubyforge.debugcommons.Util]：错误输出：
/Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require': dlopen(/Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.bundle, 9): Symbol not found: _ruby_current_thread (LoadError)
Referenced from: /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.bundle
Expected in: flat namespace
in /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.bundle - /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby_debug.bundle
from /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require'
来自/Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/gems/1.9.1/gems/ruby-debug-base19-0.11.25/lib/ruby-debug-base.rb ：1：在<top (required)>'
from /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in要求'
来自/Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in require'
from /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/gems/1.9.1/gems/ruby-debug-ide19-0.4.12/lib/ruby-debug-ide.rb:5:in'
来自/Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/gems/1.9.1/gems/ruby-debug-ide19-0.4.12/bin/rdebug-ide:9:in require_relative'
from /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/gems/1.9.1/gems/ruby-debug-ide19-0.4.12/bin/rdebug-ide:9:in”
来自/Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/bin/rdebug-ide:23:in load'
from /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/bin/rdebug-ide:23:in'
INFO [org.netbeans.api.extexecution.ExecutionService]