Exception in using logic:iterate tag's 'indexId' property in struts

[poli reddy]

When i use <logic:iterate> 'indexId' property in struts, I am getting following exception:

Compilation of 'C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_QPanel_QPanel\jsp_servlet\__maincategory.java' failed:
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C:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_QPanel_QPanel\jsp_servlet\__maincategory.java:536: operator + cannot be applied to java.lang.Integer,int
probably occurred due to an error in /MainCategory.jsp line 51:
<td width="10%" align="center"><%= rowSeq+1 %></td>


He is my few lines of code which causing compilation error:

<logic:iterate id="cId" property="mainCategoryGrid" name="frmMainCategory" indexId="rowSeq">
<tr>
<td width="10%" align="center"><%= rowSeq+1 %></td>
<td width="30%" align="left"><bean:write name="cId" property="mainCategoryName"/></td>
<td width="45%" align="left"><bean:write name="cId" property="desc"/></td>
</tr>
</logic:iterate>

I am using weblogic server 8.1.

Can anyone give me solution??

[Merrill Higginson]

An index ID is always of type Integer, not int. Therefore you will need to change your expression to:
<%= rowSeq.intValue()+1 %>