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

/ V1 Y1 k0 J/ s0 S( Y! E* ZServlet.service() for servlet [jsp] in context with path [/exam] threw exception [An exception occurred processing JSP page /index.jsp at line 26

23:   </tr>
3 ^: ~* d9 c5 F7 `9 w24: </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>
29:                                   
0 j% Q; {) U( ?& n' n

  s4 H8 ~: H2 s" kStacktrace:] with root cause
; l- }& h6 J* J" A' M8 `# w5 W" Ujavax.servlet.jsp.JspException: Exception creating bean of class com.wgh.actionForm.StudentForm: {1}
3 J" E4 G5 C9 g" a$ h% q* w        at org.apache.struts.taglib.html.FormTag.initFormBean(FormTag.java:487)
  h3 ^5 E! s$ V( p6 O+ H8 D        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)
        at org.apache.jsp.index_jsp._jspService(index_jsp.java:114)
- R/ J2 u/ `, b6 p( j8 w, O2 H        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
& q* m2 o! ^+ y' y        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
9 t( t/ {4 w8 e: w. ?0 P        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
, K+ W+ v" p& a4 w        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
9 |4 C% q5 i/ A* ~) c' p/ [& v: u8 a        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
( H  {) n3 H7 p9 k9 i        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
. V8 ?9 G! P7 _( _+ r/ ~        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
  B1 l4 a$ c5 J9 e2 i  |" T0 ~        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
, V- X" v% ?( M        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
4 q" w$ C+ _5 T" n        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
0 j  U3 W$ z4 S# p        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
/ o* h% I9 p& U) B

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哪个项目？发地址