Index: lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml
===================================================================
RCS file: /usr/local/cvsroot/lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml,v
diff -u -r1.61 -r1.62
--- lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml	11 Sep 2014 11:49:04 -0000	1.61
+++ lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Activity.hbm.xml	28 Oct 2015 07:58:19 -0000	1.62
@@ -222,15 +222,15 @@
              	<column name="system_tool_id" not-null="false"/>
              </many-to-one>                 
 
-			<set  name="waitingLearners" lazy="true" cascade="none" table="lams_activity_learners" batch-size="20" where="allowed_to_pass=0">
+			<set  name="waitingLearners" lazy="true" cascade="none" table="lams_activity_learners" where="allowed_to_pass=0">
        			<key><column name="activity_id" /></key>
        			<many-to-many column="user_id" class="org.lamsfoundation.lams.usermanagement.User"/>
    			</set>
-   			<set name="allowedToPassLearners" lazy="true" cascade="none" table="lams_activity_learners" batch-size="20" where="allowed_to_pass=1">
+   			<set name="allowedToPassLearners" lazy="true" cascade="none" table="lams_activity_learners" where="allowed_to_pass=1">
        			<key><column name="activity_id" /></key>
        			<many-to-many column="user_id" class="org.lamsfoundation.lams.usermanagement.User"/>
    			</set>
-   			<set name="allGateUsers" table="lams_activity_learners" lazy="true" cascade="all" batch-size="20">
+   			<set name="allGateUsers" table="lams_activity_learners" lazy="true" cascade="all">
        			<key><column name="activity_id" /></key>
        			<composite-element class="org.lamsfoundation.lams.learningdesign.GateUser">
        				<many-to-one name="user" class="org.lamsfoundation.lams.usermanagement.User" column="user_id" cascade="none" />
Index: lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Group.hbm.xml
===================================================================
RCS file: /usr/local/cvsroot/lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Group.hbm.xml,v
diff -u -r1.14 -r1.15
--- lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Group.hbm.xml	27 Aug 2014 12:26:33 -0000	1.14
+++ lams_common/conf/hibernate/mappings/org/lamsfoundation/lams/learningdesign/Group.hbm.xml	28 Oct 2015 07:58:19 -0000	1.15
@@ -77,7 +77,6 @@
         lazy="extra"
         cascade="none"
         table="lams_user_group"
-        batch-size="20"
     >
         <key>
             <column name="group_id" />