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
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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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! i2 {7 F$ m* k8 {! o% m5 \* c23:   </tr>
3 Y2 f( [- N$ t! V! {( A: B/ v24: </table>
25: <table width="778" height="158"  border="0" align="center" cellpadding="0" cellspacing="0" background="Images/login_mid.jpg">
" D8 }5 f2 N2 e  N( i9 \; Y( i26: <html:form action="manage/student.do?action=login" method="post" focus="ID">
27:           <tr>
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. ~8 \, A9 J0 ^3 y29:                                   

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' ~  `9 |/ E1 z$ g& qStacktrace:] with root cause
javax.servlet.jsp.JspException: Exception creating bean of class com.wgh.actionForm.StudentForm: {1}
, d$ _$ C; G2 }" a/ [. s4 m        at org.apache.struts.taglib.html.FormTag.initFormBean(FormTag.java:487)
        at org.apache.struts.taglib.html.FormTag.doStartTag(FormTag.java:457)
& g" G5 o6 y: F1 r8 a& q        at org.apache.jsp.index_jsp._jspx_meth_html_005fform_005f0(index_jsp.java:157)
; `2 d' @7 Q; d" n4 Y$ a        at org.apache.jsp.index_jsp._jspService(index_jsp.java:114)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
+ g  q5 }8 N' V+ C* a1 H        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
' S, _7 h! @9 `9 ]) h3 Q' r        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
  L, J# K3 _, B1 @0 f        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
        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)
0 e' Y  x5 X% t9 ~        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
# n* V' a% ]+ ?$ ]4 A        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
  N, B. P0 a. k" o# c9 \: @        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
& l. [+ m$ Q4 v  l: `( b" y        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
3 \6 \3 k3 @& O* W' ~( L8 P* W2 U        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
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拧巴人

哪个项目？发地址