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

: I9 x$ x4 Y: \: T& {: aServlet.service() for servlet [jsp] in context with path [/exam] threw exception [An exception occurred processing JSP page /index.jsp at line 26
1 j/ \8 J: B; E
23:   </tr>
3 P: s( d. R% R* K$ y) S- b24: </table>
25: <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>
$ k: W# J% T3 \" ~29:                                   
: [% ?. @, ]: v

* o( j. h- {" e7 \Stacktrace:] with root cause
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)
$ G" ]* J; b* D3 D1 k        at org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:457)
  ^& j# @; Y" @% ^0 [3 k$ B- V        at org.apache.jsp.index_jsp._jspx_meth_html_005fform_005f0(index_jsp.java:157)
+ P. I" Y9 Q0 s* @! T" {9 h" b        at org.apache.jsp.index_jsp._jspService(index_jsp.java:114)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
/ D% g, c7 r% o1 S        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
; h, R# l5 \! Q+ b: V0 P4 A        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
- P9 _9 \" |) z        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
# G/ {  B0 x% f0 K$ Q        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)
3 H1 U  h7 M( N& B  M        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        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)

拧巴人

哪个项目？发地址