Seam2.0.0.GA and JBoss4.2
pages.xml

<page view-id="/dataList.xhtml">
          <param name="id" value="#{dataList.id}" />     
</page>

Action Bean:

@Scope(PAGE)
@Name("dataList")
public class SubjectDataList implements Serializable
{
     private static final long serialVersionUID = -1L;

     @Logger
     private Log log;

     private String id;
    
    public String getId()
    {
         return this.id;
    }
  
    public void setId(String id)
    {
         this.id = id;
          log.debug("setId:" + this.id);
    }
}

Test Page

<table>          
 <tr>
  <td>
   <iframe src="http://172.16.8.169:8080/dataList.seam?id=123"></iframe>
  </td>
 <td>
  <iframe     src="http://172.16.8.169:8080/dataList.seam?id=123"></iframe>
  </td>
 </tr>
</table>

Access the test page.
The console output does not always display twice setId:123.
Something once, even none.
Why? is it seam's buy, or do i make a mistake?