提示：An exception occurred processing JSP page的问题！！急

org.apache.jasper.JasperException: An exception occurred processing JSP page /index.jsp at line 5451:     PageService pageservice=new PageService();
52:     pagebean=pageservice.getPageBean(currpage,linenum);
53:     TrainService trainservice=new TrainService();
54:     ArrayList list=trainservice.getTraininfo(currpage,linenum,pagebean.getRecordnum());
55:     if(list.size()!=0){
56:     Iterator it=list.iterator();
57:     while(it!=null&&it.hasNext()){

解决方案 »

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<%@page contentType="text/html"  pageEncoding="gb2312"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
<%@page import="hibernate.Train,java.util.*,service.PageBean,service.PageService,service.TrainService" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>火车车次查询</title>
<style type="text/css">

</style></head><body>
<div align="center">
  <p class="STYLE1"> </p>
  <html:form  method="post" action="trainquery">
    <label>请输入列车车次
    <html:text property="traincode"/>
    </label>  
    <label>
    <html:submit value="查询" />
    </label>
  </html:form>
  <p class="STYLE1"> </p>
  <p class="STYLE1">火车车次列表</p>
  <table width="80%" border="5">
    <tr>
      <td><div align="center">车次</div></td>
      <td><div align="center">始发站</div></td>
      <td><div align="center">始发时间</div></td>
      <td><div align="center">终点站</div></td>
      <td><div align="center">到达时间</div></td>
      <td><div align="center">票价</div></td>
    </tr>
    <tr>
    <%
    int num1=1;
    String num=request.getParameter("num");
    PageBean pagebean=new PageBean();
    int currpage=(num==null)?num1:Integer.parseInt(num);
    int linenum=8;
    pagebean.setCurrpage(currpage);
    PageService pageservice=new PageService();
    pagebean=pageservice.getPageBean(currpage,linenum);
    TrainService trainservice=new TrainService();
    ArrayList list=trainservice.getTraininfo(currpage,linenum,pagebean.getRecordnum());
    if(list.size()!=0){
    Iterator it=list.iterator();
    while(it!=null&&it.hasNext()){
    Train train=(Train)it.next();
   %>
  <tr>
  <td><%=String.valueOf(train.getTraincode()) %></td>
  <td><%=String.valueOf(train.getStartstation()) %></td>
  <td><%=String.valueOf(train.getStarttime()) %></td>
  <td><%=String.valueOf(train.getEndstation()) %></td>
  <td><%=String.valueOf(train.getEndtime()) %></td>
  <td><%=String.valueOf(train.getPrice()) %></td>
  </tr>
<%}} %>
  </table>
  <p> </p>
  <p>共有<%=pagebean.getRecordnum()%>条记录，每页显示<%=linenum%>条，总共有<%=pagebean.getPagenum() %>页，现在是第<%=pagebean.getCurrpage()%>页，
  <a href="/TrainQuery/index.jsp?num=1" >首页</a>，
  <a <%if(pagebean.getCurrpage()==1)num1=1;else num1=pagebean.getCurrpage()-1; %>href="/TrainQuery/index.jsp?num=<%=num1%>">上一页</a>，
<a <%if(pagebean.getCurrpage()==pagebean.getPagenum())num1=pagebean.getPagenum();else num1=pagebean.getCurrpage()+1; %>href="/TrainQuery/index.jsp?num=<%=num1%>">下一页</a>，
<a href="/TrainQuery/index.jsp?num=<%=pagebean.getPagenum() %>">尾页</a>。</p>
  <p class="STYLE1">   </p>
</div>
</body>
</html>
ArrayList list=trainservice.getTraininfo(currpage,linenum,pagebean.getRecordnum());
这个方法里面报错，你断点调试或打印一下传进去的值是否是预期的，初步估计pagebean.getRecordnum()可能没取到值
恩谢谢已经解决了把uri="http://struts.apache.org/tags-html"改成了/WEB-INF/struts-html.tld
并导入个TLD文件就好了