i am using struts-2  2.0.11.2 version with eclipse europei have 2 jsp page 
news-alarm.jsp and category-list.jsphere is news-alarm.jsp
 
<s:form id="newsAlarmForm"  name="newsAlarmForm"  action="newsAlarmSave" 
enctype="application/x-www-form-urlencoded; charset=UTF-8" 
acceptcharset="UTF-8">      <s:hidden name="newsAlarm.id" 
value="%{newsAlarm.id}"/>   <s:hidden name="newsAlarm.version" 
value="%{newsAlarm.version}"/>      <table>      <tr>         <td>            
<s:textfield label="%{getText('newsAlarm.name')}" name="newsAlarm.name" 
value="%{newsAlarm.name}"/>         </td>      </tr>            <tr>         
<td>            <s:select value="%{newsAlarm.channel.id}"                
headerKey="0"                headerValue="%{getText('please.select')}"          
      label="%{getText('newsAlarm.channel')}"                 
list="channelList"                listKey="id"                listValue="name"  
             name="newsAlarm.channel.id"               
onchange="dojo.event.topic.publish('showDetail'); return false;"            />  
       </td>      </tr>                  <tr>         <td>            <s:url id=
 "d_url"  action="getCategoryList"/>            <s:div href="%{d_url}"          
      theme="ajax"               showLoadingText="false"               
listenTopics="showDetail"               formId="newsAlarmForm">            
</s:div>         </td>      </tr>            <tr>         <td>            
<s:submit type="button" value="submit"/>         </td>         <td>            
<s:submit type="button" action="newsAlarmBrowse" value="cancel" 
onclick="form.onsubmit=null"/>         </td>      </tr>   </table>   </s:form>
 
 
when channel select list change ajax call getCategoryList action and this 
method return category-list.jsp into div(listentopics=showdetail)
here is category-list.jsp
 
<[EMAIL PROTECTED] file="/init.jsp"%>      <s:optiontransferselect         
formName="newsAlarmForm"         name="categoryList"         
id="newsAlarmForm_categoryList"            list="categoryList"            
listValue="name"            listKey="id"            leftTitle="xxxxxxx"         
   rightTitle="yyyyyy"            doubleId="newsAlarmForm_categoryList2"        
    doubleName="categoryList2"            doubleList="categoryList2"            
doubleListValue="name"            doubleListKey="id"            size="5"        
    doubleSize="5"            allowAddAllToLeft="false"            
allowAddAllToRight="false"            allowUpDownOnLeft="false"            
allowUpDownOnRight="false"            allowSelectAll="false"         />
when i submit news-alarm.jsp i cant get value of categoryList2 which is 
s:optiontransferselect> in categoryList2 page. everytime categorylist2 value is 
null. How can i solve this problem?
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