多层迭代，List 中嵌套bean应如何写？

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jsp：

<logic:present name="saleOppForm" property="lstRummeryQuote" scope="request">
   <logic:iterate id="rummeryQuote" name="saleOppForm" property="lstRummeryQuote" indexId="rowIndex">
    <tr>
       <logic:iterate id="column" name="rummeryQuote" property="rowRummeryQuote" indexId="columnIndex">
             <td width="98" valign="top" class="whitetd"><html:text property="useRoomCount" size="10"></html:text></td>
             <td width="98" valign="top" class="whitetd"><html:text property="sumRoomPrice" size="10"></html:text></td>
    <td width="91" id="tdFunction0" class="whitetd">
     
     <html:button onclick="createRow()" property="btnCreateRow" styleClass="btnCreate">
     </html:button>
    </td>
      </logic:iterate>
    </tr>
</logic:iterate>
</logic:present>

SaleOppForm；

private List lstRummeryQuote;
public SaleOppForm() {
  lstRummeryQuote = new ArrayList();
        //页面初始显示一行
  lstRummeryQuote.add(rowRummeryQuote);
  //lstRummeryQuote.add(new RowRummeryQuote());
}

RowRummeryQuote（dataset）：

private String useRoomCount;
private String sumRoomPrice;

异常：javax.servlet.ServletException: No getter method for property rowRummeryQuote of bean rummeryQuote

多层迭代，List 中嵌套bean，这样迭代不对吗？应如何写呢？请高手指教