struts2 ognl问题

[jrhc_lone_wolf]

struts2默认支持ognl ,为什么我写这样的语句报错
<s:iterator value="#{'key1':'value1','key2':'value2','key3':'value3'}" id="score" status="st">
<tr <s:if test="#st.odd">style="background-color:#bbbbbb"</s:if>>
<td><s:property value="key"/></td>
<td><s:property value="value"/></td>
</tr>
</s:iterator>

补充:1、错处value="#{'key1':'value1','key2':'value2','key3':'value3'}" 但是直接定义一个list正确如:{'obj1','obj2','obj4'}
2、使用servlet2.4规范

请各位指点

[bounddog]

<s:iterator value="#@java.util.HashMap{'key1':'value1','key2':'value2','key3':'value3'}" id="score" status="st">

[bounddog]

<s:iterator value="#@java.util.HashMap@{'key1':'value1','key2':'value2','key3':'value3'}" id="score" status="st">