求助大佬

讲讲

运行的在线考试系统报这个错误咋回事啊 myeclipse不报错啊

Servlet.service() for servlet [jsp] in context with path [/exam] threw exception [An exception occurred processing JSP page /index.jsp at line 26
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23:   </tr>
24: </table>
; m) B0 |9 m) R& \) v# u25: <table width="778" height="158"  border="0" align="center" cellpadding="0" cellspacing="0" background="Images/login_mid.jpg">
26: <html:form action="manage/student.do?action=login" method="post" focus="ID">
27:           <tr>
28:             <td>
29:                                   
5 P2 p% h! l# h9 J8 L

Stacktrace:] with root cause
9 a6 x. }4 }+ i; t. O/ @javax.servlet.jsp.JspException: Exception creating bean of class com.wgh.actionForm.StudentForm: {1}
        at org.apache.struts.taglib.html.FormTag.initFormBean(FormTag.java:487)
# y3 g0 q$ G1 p; Y  K        at org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:457)
        at org.apache.jsp.index_jsp._jspx_meth_html_005fform_005f0(index_jsp.java:157)
" H* K3 U7 A0 K, L2 m0 S  y        at org.apache.jsp.index_jsp._jspService(index_jsp.java:114)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
" a% G, [7 S% X; e+ ?9 Q# X6 U/ P" u        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
2 B8 s$ Q  j% ~3 A        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
) U. ?  \. d7 B9 O- j$ L        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
2 m8 ^) U+ |* }2 D        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
  V$ u0 {# V2 N8 V  J: ^3 h

拧巴人

哪个项目？发地址