请高手指正struts1.1的程序错误
ji66 2003-08-19 09:17:40 StandardWrapper[/struts11:action]: Marking servlet action as unavailable
StandardContext[/struts11]: Servlet /struts11 threw load() exception: javax.servlet.ServletException: Error instantiating servlet class org.apache.struts.action.ActionServlet
javax.servlet.ServletException: Error instantiating servlet class org.apache.struts.action.ActionServlet