请细心的帮小弟我看看异常在哪里？半个多小时小弟我没有找出任何有关问题

请细心的帮我看看错误在哪里？半个多小时我没有找出任何问题。
jsp页面部分代码
<tr height="30px">
<th><font color="red" size="2">*</font><font size="2">上报日期：</font></th><td><font size="2">${requestScope.travelExpense.reportDate}</font></td>
<th><font size="2">姓名：</font></th><td><font size="2">${requestScope.travelExpense.name}</font></td>
</tr>
<tr>
<th><font size="2">部门：</font></th><td><font size="2">${requestScope.travelExpense.department}</font></td>
<th><font size="2">项目号：</font></th><td><font size="2">${requestScope.travelExpense.depId}</font></td>
</tr>
<tr>
<th><font size="2">出差事由：</font></th><td><font size="2"> 
${requestScope.travelExpense.reason}</font></td>
<th><font size="2">地点：</font></th><td><font size="2">${requestScope.travelExpense.place}</font></td>
</tr>
<tr>
<th><font size="2">起始日期：</font></th><td><font size="2">${requestScope.travelExpense.startDate}</font></td>
<th><font size="2">终止日期：</font></th><td><font size="2">${requestScope.travelExpense.endDate}</font></td>
</tr>
<tr>
<th><font size="2">天数：</font></th><td><font size="2"> 
  ${requestScope.travelExpense.days}</font></td>
  <th><font size="2">车船费：</font></th><td><font size="2">${requestScope.travelExpense.travelExpense}</font></td>
</tr>




所报错误：
Struts Problem Report
Struts has detected an unhandled exception: 

Messages: Property 'reportDate' not found on type java.lang.Double 
An exception occurred processing JSP page /reimbursement/TravelExView.jsp at line 30 27: 
28: 29: 30: *上报日期： "${requestScope.travelExpense.reportDate}" 31: 姓名： ${requestScope.travelExpense.name} 32:  
33: Stacktrace:  
File: javax/el/BeanELResolver.java 
Line number: 193 


--------------------------------------------

Stacktraces
org.apache.jasper.JasperException: An exception occurred processing JSP page /reimbursement/TravelExView.jsp at line 30 27: 28: 29: 30: *上报日期： "${requestScope.travelExpense.reportDate}" 31: 姓名： ${requestScope.travelExpense.name} 32:  
33: Stacktrace: 
  org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510)

 
 


------解决方案--------------------
'reportDate' 是什么类型
------解决方案--------------------

探讨

可以结贴了，我的问题解决了，问题出在这里：
<th><font size="2">车船费：</font></th><td><font size="2">${requestScope.travelExpense.travelExpense}</font></td>
</tr>
大家仔细看这一段代码类的对象名跟一个属性名是重复的，即travelExpense.travelExpense
后……

我的异常网推荐解决方案：An exception occurred processing JSP page,http://www..net/j2se/33144.html