warbler error

$ warble --trace
warble aborted!
undefined method `create_database' for class `#<Class:0x11a0d7ed8>'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activesupport-3.0.0.rc/lib/active_support/dependencies.rb:211:in `load_dependency'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activesupport-3.0.0.rc/lib/active_support/dependencies.rb:215:in `load'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activerecord-jdbc-adapter-0.9.7-java/lib/jdbc_adapter/rake_tasks.rb:5
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activerecord-jdbc-adapter-0.9.7-java/lib/jdbc_adapter/rake_tasks.rb:215:in `load'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activesupport-3.0.0.rc/lib/active_support/dependencies.rb:215:in `load'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activesupport-3.0.0.rc/lib/active_support/dependencies.rb:205:in `load_dependency'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activesupport-3.0.0.rc/lib/active_support/dependencies.rb:570:in `new_constants_in'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activesupport-3.0.0.rc/lib/active_support/dependencies.rb:205:in `load_dependency'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activesupport-3.0.0.rc/lib/active_support/dependencies.rb:215:in `load'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/activerecord-jdbc-adapter-0.9.7-java/lib/jdbc_adapter/railtie.rb:6
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/railties-3.0.0.rc/lib/rails/railtie.rb:184:in `call'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/railties-3.0.0.rc/lib/rails/railtie.rb:184:in `each'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/railties-3.0.0.rc/lib/rails/railtie.rb:184:in `load_tasks'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/railties-3.0.0.rc/lib/rails/application.rb:140:in `load_tasks'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/railties-3.0.0.rc/lib/rails/application/railties.rb:11:in `each'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/railties-3.0.0.rc/lib/rails/application/railties.rb:11:in `all'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/railties-3.0.0.rc/lib/rails/application.rb:140:in `load_tasks'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/railties-3.0.0.rc/lib/rails/application.rb:77:in `method_missing'
./Rakefile:7
./Rakefile:56:in `load'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/application.rb:56:in `load_project_rakefile'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/application.rb:54:in `each'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/application.rb:54:in `load_project_rakefile'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler.rb:25:in `project_application'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/config.rb:250:in `auto_detect_rails'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/config.rb:246:in `auto_detect_frameworks'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/config.rb:147:in `initialize'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/task.rb:47:in `new'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/task.rb:47:in `initialize'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/application.rb:25:in `new'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/application.rb:25:in `load_rakefile'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2000:in `run'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/lib/warbler/application.rb:68:in `run'
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/bin/warble:11
/home/pldms/Development/CVS-Other/jruby/lib/ruby/gems/1.8/gems/warbler-1.2.0/bin/warble:19:in `load'
/home/pldms/Development/CVS-Other/jruby/bin/warble:19