el表达式_EL 表达式问题 javax.el.PropertyNotFoundException:

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type Exception report
  message
  description The server encountered an internal error () that prevented it from fulfilling this request.
  exception
  org.apache.jasper.JasperException: javax.el.PropertyNotFoundException: Property Request not found on type org.apache.jasper.runtime.PageContextImpl
  org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:541)
  org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:435)
  org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
  org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
  javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1085)
  org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)
  org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)
  org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
  org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
  javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
  javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
  root cause
  javax.el.PropertyNotFoundException: Property Request not found on type org.apache.jasper.runtime.PageContextImpl
  javax.el.BeanELResolver$BeanProperties.get(BeanELResolver.java:193)
  javax.el.BeanELResolver.property(BeanELResolver.java:267)
  javax.el.BeanELResolver.getValue(BeanELResolver.java:60)
  javax.el.CompositeELResolver.getValue(CompositeELResolver.java:53)

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