Index: lams_common/src/java/org/lamsfoundation/lams/web/session/SystemSessionFilter.java
===================================================================
diff -u -r3a11e12334a24efbb648340f5f40374b834c15d0 -rb4b6c208215b47ba45bf72fe26a43060a08711ef
--- lams_common/src/java/org/lamsfoundation/lams/web/session/SystemSessionFilter.java	(.../SystemSessionFilter.java)	(revision 3a11e12334a24efbb648340f5f40374b834c15d0)
+++ lams_common/src/java/org/lamsfoundation/lams/web/session/SystemSessionFilter.java	(.../SystemSessionFilter.java)	(revision b4b6c208215b47ba45bf72fe26a43060a08711ef)
@@ -38,7 +38,12 @@
 /**
  * 
  * @author Steve.Ni
- * 
+ * Create and manage system wide (across multiple webapps in JBOSS) session.
+ *  
+ * <p> 
+ * <b>NOTICE: This filter must set before <code>org.lamsfoundation.lams.web.filter.LocaleFilter</code>
+ *  in web.xml because LocaleFilter need get value from SystemSession .</b>
+ *  
  * @version $Revision$
  */
 public class SystemSessionFilter implements Filter {