问将Rails应用程序部署到带有莺的tomcat的问题--未定义的方法“getProperty”

EN

Application initialization failed: undefined method `getProperty' for Java::JavaLang::System:Class
from file:/var/lib/tomcat5.5/webapps/scaleup/WEB-INF/lib/jruby-rack-1.0.4.jar!/jruby/rack/core_ext.rb:26
from file:/var/lib/tomcat5.5/webapps/scaleup/WEB-INF/lib/jruby-rack-1.0.4.jar!/jruby/rack/core_ext.rb:36:in `require'
from file:/var/lib/tomcat5.5/webapps/scaleup/WEB-INF/lib/jruby-rack-1.0.4.jar!/jruby/rack.rb:36
from file:/var/lib/tomcat5.5/webapps/scaleup/WEB-INF/lib/jruby-rack-1.0.4.jar!/jruby/rack.rb:8:in `require'
from file:/var/lib/tomcat5.5/webapps/scaleup/WEB-INF/lib/jruby-rack-1.0.4.jar!/rack/handler/servlet.rb:8
from file:/var/lib/tomcat5.5/webapps/scaleup/WEB-INF/lib/jruby-rack-1.0.4.jar!/rack/handler/servlet.rb:1:in `require'
from <script>:1

JRuby 1.5.6
Ruby on Rails 3.0.3
JRuby-Rack 1.0.4

tomcat 5.5.25
Java(TM) SE Runtime Environment (build 1.6.0_22-b04)