nested result set

i  got this problem i do not way :$
WARNING: StandardWrapperValve[jsp]: PWC1406: Servlet.service() for servlet jsp threw exception
java.sql.SQLException: Operation not allowed after ResultSet closed

i have tryed every thing :(

</tr>      
         <%
Class.forName("com.mysql.jdbc.Driver").newInstance();
connection = DriverManager.getConnection(connectionURL, "root", "1212");
statement = connection.createStatement();
int num=0;
rs = statement.executeQuery("SELECT * FROM webpage");
while (rs.next()) {
%>
 <tr class="odd" >
<%
out.print(rs.getString("id"));
num=Integer.parseInt(rs.getString("id"));
rs2 = statement.executeQuery("SELECT * FROM textspace where WPID="+num);
while (rs2.next())
    {
%>
  <td class="zname"><b><%=rs2.getString("cpc")%></b></td>
<td class="size"><%=rs2.getString("MoneyGained")%><br/>Inline</td>
<td class="approve">Yes</td>
 <td class="clicks"><%=rs2.getString("NumberOfClicks")%></td>
 <td><input type="button" onclick="<%response.sendRedirect("deletespace.jsp?id="+rs2.getString("Id"));%>"></input>
 </td>

   <%}
   rs2=statement.executeQuery("SELECT * FROM bannerspace where WPID="+num);
while(rs2.next())
    {
%>
  <td class="zname"><b><%=rs2.getString("cpc")%></b></td>
<td class="size"><%=rs2.getString("MoneyGained")%><br/>Inline</td>
<td class="approve">Yes</td>
 <td class="clicks"><%=rs2.getString("NumberOfClicks")%></td>
 <td><input type="button" onclick="<%response.sendRedirect("deletespace.jsp?id="+rs2.getString("Id"));%>"></input>
 </td>
 <%
 }
%>
</tr>
<%
}

%>

 
<br/>
<tr><td colspan="11" class="new_zone bottom"><a href="websiteinfo.jsp" class="add">Set up a new ad space</a></td>
</tr>
<br/>
</tbody>
</table><!-- www002 -->

 
</div>            
</form>

  <%

   connection.close();
%>