Netbeans 7.1、ruby-1.9.3-p194、Rails3.2.3の外部でruby-debugを正常に実行できます。
しかし、netbeansを使用すると、このメッセージが表示され続けます。
重大[org.rubyforge.debugcommons.Util]：エラー出力：/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:inrequire'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- base.rb：1：in <top (required)>'
from /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:inrequire'from /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' 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：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:inin'from /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/bin/rdebug-ide:23:in'INFO load'
from /Users/USERHOME/.rvm/rubies/ruby-1.9.3-p194/bin/rdebug-ide:23:in[org.netbeans.api.extexecution.ExecutionService]