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JavaWeb图书答疑

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lemontao2002

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JSP网络开发实例企业门户网站运行问题

发表在JavaWeb图书答疑 2009-03-11

是否精华是否

版块置顶: 是否

按说明安装了运行结果是
Apache Tomcat/6.0.18 - Error reportHTTP Status 500 -

type Exception report
message
description The server encountered an internal error () that prevented it from
fulfilling this request.
exception
org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 11

8: <body onLoad="clockon(bgclock)">
9: <table width="778" border="0" align="center" cellpadding="0" cellspacing="0" class="tableBorder">
10:   <tr align="center">
11:     <td height="165" colspan="4"><jsp:include page="top.jsp"/></td>
12:   </tr>
13:   <tr>
14:     <td width="11" align="left" valign="top"> </td>

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:398)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause
org.apache.jasper.JasperException: An exception occurred processing JSP page /top.jsp at line 36

33: </script>
34: <%BasetableFactory bf=BasetableFactory.getInstance();%>
35: <table id="cpdd" class='box'  style='display:none' onMouseOver="popmenu(this)" onMouseOut="popmenu(this)"  align="center" >
36:   <%Collection cpdd=bf.ListSsort("");if(cpdd!=null&&cpdd.size()>0){    Iterator it=cpdd.iterator();    while(it.hasNext()){        Ssort s=(Ssort)it.next();
37: %>
38:   <tr>
39:     <td onMouseOver="pu(event)" onMouseOut="po(event)" onClick="javascript:window.location.href='list_softsort.jsp?sid=<%=s.getSid()%>';" style="cursor:hand; color:#000000"><%=s.getName()%></td>

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
org.apache.jsp.index_jsp._jspService(index_jsp.java:64)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
root cause
java.lang.NullPointerException
com.dao.Dbssort.Select(Dbssort.java:111)
com.dao.DbBasetableFactory.ListSsort(DbBasetableFactory.java:143)
com.BasetableFactoryProxy.ListSsort(BasetableFactoryProxy.java:105)
org.apache.jsp.top_jsp._jspService(top_jsp.java:94)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
org.apache.jsp.index_jsp._jspService(index_jsp.java:64)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
note The full stack trace of the root cause is available in the Apache
Tomcat/6.0.18 logs.

Apache Tomcat/6.0.18