Index: lams_tool_laqa/web/WEB-INF/QaSession.hbm.xml
===================================================================
diff -u -rc2c90fffd84acacd50458727538e2e934e71d03e -r69f36134758d85e347893150aa05da3ba9479159
--- lams_tool_laqa/web/WEB-INF/QaSession.hbm.xml	(.../QaSession.hbm.xml)	(revision c2c90fffd84acacd50458727538e2e934e71d03e)
+++ lams_tool_laqa/web/WEB-INF/QaSession.hbm.xml	(.../QaSession.hbm.xml)	(revision 69f36134758d85e347893150aa05da3ba9479159)
@@ -1,16 +1,12 @@
 <?xml version="1.0"?>
 <!DOCTYPE hibernate-mapping PUBLIC
-    "-//Hibernate/Hibernate Mapping DTD 2.0//EN"
-    "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd" >
+    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
+    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" >
     
 <hibernate-mapping>
 <class 
     name="org.lamsfoundation.lams.tool.qa.QaSession" 
     table="tl_laqa11_session"
-	dynamic-update="false"
-    dynamic-insert="false"
-    select-before-update="false"
-    optimistic-lock="version"
 >
     <id
         name="qaSessionId"
@@ -23,8 +19,6 @@
     <property
         name="session_start_date"
         type="java.util.Date"
-        update="true"
-        insert="true"
         access="property"
         column="session_start_date"
         length="10"
@@ -33,8 +27,6 @@
     <property
         name="session_end_date"
         type="java.util.Date"
-        update="true"
-        insert="true"
         access="property"
         column="session_end_date"
         length="10"
@@ -43,8 +35,6 @@
     <property
         name="session_status"
         type="java.lang.String"
-        update="true"
-        insert="true"
         access="property"
         column="session_status"
         length="100"
@@ -64,6 +54,7 @@
    <many-to-one
         name="qaContent"
         class="org.lamsfoundation.lams.tool.qa.QaContent"
+        not-null="true"        
         cascade="none"
         outer-join="auto"
         update="true"
@@ -77,7 +68,7 @@
     
     <set
         name="qaQueUsers"
-        lazy="false"
+        lazy="true"
         inverse="true"
         cascade="all-delete-orphan"
         sort="unsorted"