跪求帮忙

在做系统时出现了问题，怎么办啊？？
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javax.servlet.ServletException: Cannot retrieve definition for form bean addMemberForm on action /addMember
    org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:846)
    org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
    org.apache.jsp.addMember_jsp._jspService(addMember_jsp.java:97)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

javax.servlet.jsp.JspException: Cannot retrieve definition for form bean addMemberForm on action /addMember
    org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:767)
    org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:443)
    org.apache.jsp.addMember_jsp._jspx_meth_html_form_0(addMember_jsp.java:113)
    org.apache.jsp.addMember_jsp._jspService(addMember_jsp.java:87)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

HTTP Status 500 -

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type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Cannot retrieve definition for form bean addMemberForm on action /addMember
    org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:846)
    org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:779)
    org.apache.jsp.addMember_jsp._jspService(addMember_jsp.java:97)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


root cause

javax.servlet.jsp.JspException: Cannot retrieve definition for form bean addMemberForm on action /addMember
    org.apache.struts.taglib.html.FormTag.lookup(FormTag.java:767)
    org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:443)
    org.apache.jsp.addMember_jsp._jspx_meth_html_form_0(addMember_jsp.java:113)
    org.apache.jsp.addMember_jsp._jspService(addMember_jsp.java:87)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:802)


note The full stack trace of the root cause is available in the Apache Tomcat/5.0.30 logs.


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Apache Tomcat/5.0.30