Jruby script / generate jdbc in NetBeans?!?!?

Hello!, does anybody know how can i execute the generate jdbc in NetBeans.. I found out some clues in the net that I need to do this so that i can use the db:* tasks with JRuby. Help me Please... i need to prepare the test database with the rake utility in NetBeans when I run the rake db:test:prepare it gives me this error: rake aborted! Task not supported by 'jdbcmysql' (in E:/NetBeansRubyOnRails/rails_space) ** Invoke db:test:prepare (first_time) ** Invoke db:abort_if_pending_migrations (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute db:abort_if_pending_migrations ** Execute db:test:prepare ** Invoke db:test:load (first_time) ** Invoke db:test:purge (first_time) ** Invoke environment ** Execute db:test:purge rake aborted! Task not supported by 'jdbcmysql' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rails-2.3.8/lib/tasks/databases.rake:380 C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/1.8/monitor.rb:191:in `mon_synchronize' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:607:in `invoke_prerequisites' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `each' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:604:in `invoke_prerequisites' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:596:in `invoke_with_call_chain' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/1.8/monitor.rb:191:in `mon_synchronize' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rails-2.3.8/lib/tasks/databases.rake:387 C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/1.8/monitor.rb:191:in `mon_synchronize' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run' C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31 C:/Program Files/NetBeans 6.9.1/ruby/jruby-1.5.1/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:19:in `load' C:\Program Files\NetBeans 6.9.1\ruby\jruby-1.5.1\bin\rake:19

i get the following error when i click on project name ->generate in netbeans IDE. help pleaseā€¦

java.lang.NullPointerException

  • at org.netbeans.modules.ruby.railsprojects.GeneratorPanel.getSelectedGenerator(GeneratorPanel.java:136)*

  • at org.netbeans.modules.ruby.railsprojects.GeneratorPanel.isValid(GeneratorPanel.java:459)*

  • at java.awt.Component.invalidateIfValid(Component.java:2809)*

  • at java.awt.Component.setLocale(Component.java:1879)*

  • at javax.swing.JComponent.(JComponent.java:584)*

  • at javax.swing.JPanel.(JPanel.java:65)*

  • at javax.swing.JPanel.(JPanel.java:92)*

  • at javax.swing.JPanel.(JPanel.java:100)*

  • at org.netbeans.modules.ruby.railsprojects.GeneratorPanel.(GeneratorPanel.java:87)*

  • at org.netbeans.modules.ruby.railsprojects.GenerateAction.generate(GenerateAction.java:148)*

  • at org.netbeans.modules.ruby.railsprojects.GenerateAction.performAction(GenerateAction.java:127)*

  • at org.openide.util.actions.NodeAction$DelegateAction$1.run(NodeAction.java:581)*

  • at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.actionPerformed(ActionsBridge.java:111)*

  • at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:104)*

  • at org.netbeans.modules.openide.actions.ActionsBridgeImpl.invokeAction(ActionsBridgeImpl.java:52)*

  • at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.doRun(ActionsBridge.java:102)*

  • at org.netbeans.modules.openide.util.ActionsBridge$1.run(ActionsBridge.java:71)*

  • at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:561)*

[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:986)

thanks