Index: lams_tool_forum/conf/xdoclet/struts-actions.xml
===================================================================
diff -u -r0762d2ed47bda6daf6a2ae4eca9b3409b7c3b3ea -raafe5d45599dbc368a2b719ac0160fb95f932fe2
--- lams_tool_forum/conf/xdoclet/struts-actions.xml	(.../struts-actions.xml)	(revision 0762d2ed47bda6daf6a2ae4eca9b3409b7c3b3ea)
+++ lams_tool_forum/conf/xdoclet/struts-actions.xml	(.../struts-actions.xml)	(revision aafe5d45599dbc368a2b719ac0160fb95f932fe2)
@@ -377,7 +377,7 @@
 			validate="false"
 			parameter="updateMark" >
 			<forward name="success" path="tiles:/monitoring/forum/viewMark" />
-			<forward name="viewTopic" path="/learning/viewTopic.do" />
+			<forward name="viewTopic" path="/learning/viewTopic.do" redirect="true"/>
 		</action>
 	
 		<action path="/monitoring/viewTopic"
Index: lams_tool_forum/src/java/org/lamsfoundation/lams/tool/forum/web/actions/MonitoringAction.java
===================================================================
diff -u -r941922b2ef901dad643b18f6a349b156b5a822ea -raafe5d45599dbc368a2b719ac0160fb95f932fe2
--- lams_tool_forum/src/java/org/lamsfoundation/lams/tool/forum/web/actions/MonitoringAction.java	(.../MonitoringAction.java)	(revision 941922b2ef901dad643b18f6a349b156b5a822ea)
+++ lams_tool_forum/src/java/org/lamsfoundation/lams/tool/forum/web/actions/MonitoringAction.java	(.../MonitoringAction.java)	(revision aafe5d45599dbc368a2b719ac0160fb95f932fe2)
@@ -32,18 +32,18 @@
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.Date;
-import java.util.TimeZone;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+import java.util.TimeZone;
 import java.util.TreeMap;
 import java.util.TreeSet;
 
-import javax.servlet.http.HttpSession;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
 
 import org.apache.commons.lang.StringUtils;
 import org.apache.log4j.Logger;
@@ -52,12 +52,13 @@
 import org.apache.poi.hssf.usermodel.HSSFSheet;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.struts.action.Action;
-import org.apache.struts.action.ActionErrors;
 import org.apache.struts.action.ActionForm;
 import org.apache.struts.action.ActionForward;
 import org.apache.struts.action.ActionMapping;
 import org.apache.struts.action.ActionMessage;
 import org.apache.struts.action.ActionMessages;
+import org.apache.struts.action.ActionRedirect;
+import org.apache.struts.config.ForwardConfig;
 import org.lamsfoundation.lams.notebook.model.NotebookEntry;
 import org.lamsfoundation.lams.notebook.service.CoreNotebookConstants;
 import org.lamsfoundation.lams.tool.forum.dto.MessageDTO;
@@ -77,9 +78,9 @@
 import org.lamsfoundation.lams.util.MessageService;
 import org.lamsfoundation.lams.util.NumberUtil;
 import org.lamsfoundation.lams.util.WebUtil;
+import org.lamsfoundation.lams.web.session.SessionManager;
 import org.lamsfoundation.lams.web.util.AttributeNames;
 import org.lamsfoundation.lams.web.util.SessionMap;
-import org.lamsfoundation.lams.web.session.SessionManager;
 import org.springframework.web.context.WebApplicationContext;
 import org.springframework.web.context.support.WebApplicationContextUtils;
 
@@ -797,15 +798,25 @@
 	    request.setAttribute(ForumConstants.ATTR_REPORT, topicsByUser);
 	    //listMark or listAllMark.
 	    return mapping.findForward("success");
+	    
 	} else if (StringUtils.equals(updateMode, ForumConstants.MARK_UPDATE_FROM_USER)) {
 	    List<MessageDTO> messageList = forumService.getMessagesByUserUid(user.getUid(), sessionId);
 	    Map<ForumUser, List<MessageDTO>> topicMap = new TreeMap(this.new ForumUserComparator());
 	    topicMap.put(user, messageList);
 	    request.setAttribute(ForumConstants.ATTR_REPORT, topicMap);
 	    //listMark or listAllMark.
 	    return mapping.findForward("success");
+	    
 	} else { //mark from view forum
-	    return mapping.findForward("viewTopic");
+	    //display root topic rather than leaf one
+	    Long rootTopicId = forumService.getRootTopicId(msg.getUid());
+	    
+	    ForwardConfig redirectConfig = mapping.findForwardConfig("viewTopic");
+	    ActionRedirect redirect = new ActionRedirect(redirectConfig);
+	    redirect.addParameter(ForumConstants.ATTR_SESSION_MAP_ID, markForm.getSessionMapID());
+	    redirect.addParameter(ForumConstants.ATTR_USER, user);
+	    redirect.addParameter(ForumConstants.ATTR_TOPIC_ID, rootTopicId);
+	    return redirect;
 	}
 
     }