Index: lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/service/MonitoringService.java
===================================================================
diff -u -r493680e80db51839c864498a72867965a89b56ff -rc7dee7dd8e62e6480aaaa0e435eba63a650b84b3
--- lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/service/MonitoringService.java	(.../MonitoringService.java)	(revision 493680e80db51839c864498a72867965a89b56ff)
+++ lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/service/MonitoringService.java	(.../MonitoringService.java)	(revision c7dee7dd8e62e6480aaaa0e435eba63a650b84b3)
@@ -42,7 +42,7 @@
 
 import org.apache.log4j.Logger;
 import org.lamsfoundation.lams.authoring.service.IAuthoringService;
-import org.lamsfoundation.lams.learning.service.ILearnerService;
+import org.lamsfoundation.lams.learning.service.ICoreLearnerService;
 import org.lamsfoundation.lams.learningdesign.Activity;
 import org.lamsfoundation.lams.learningdesign.ChosenGrouping;
 import org.lamsfoundation.lams.learningdesign.ComplexActivity;
@@ -131,7 +131,7 @@
     private ILearningDesignDAO learningDesignDAO;
     private IGroupingDAO groupingDAO;
     private IAuthoringService authoringService;
-    private ILearnerService learnerService;
+    private ICoreLearnerService learnerService;
     private ILessonService lessonService;
     private ILamsCoreToolService lamsCoreToolService;
     private IUserManagementService userManagementService;
@@ -186,7 +186,7 @@
 	 * 
 	 * @param learnerService
 	 */
-	public void setLearnerService(ILearnerService learnerService) {
+	public void setLearnerService(ICoreLearnerService learnerService) {
 		this.learnerService = learnerService;
 	}
 	/**
@@ -882,6 +882,14 @@
         		ToolActivity toolActivity = (ToolActivity) activity;
         		try {
 					ToolSession toolSession = lamsCoreToolService.getToolSessionByActivity(learner,toolActivity);
+					if ( toolSession == null ) {
+						// grouped tool's tool session isn't created until the first user in the group reaches that 
+						// point the tool session creation is normally triggered by LoadTooLActivityAction, so we need 
+						// to do it here. Won't happen very often - normally another member of the group will have 
+						// triggered the creation of the tool session.
+						learnerService.createToolSessionsIfNecessary(toolActivity,progress);
+						toolSession = lamsCoreToolService.getToolSessionByActivity(learner,toolActivity);
+					}
 					learnerService.completeToolSession(toolSession.getToolSessionId(),new Long(learner.getUserId().longValue()));
 	       			if ( log.isDebugEnabled()) {
 	       				log.debug("Tool activity [" + activity.getActivityId() + "] is completed.");
Index: lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/service/MonitoringServiceProxy.java
===================================================================
diff -u -rd9c7ddef141d19423b6ab2914d153c2cb748f187 -rc7dee7dd8e62e6480aaaa0e435eba63a650b84b3
--- lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/service/MonitoringServiceProxy.java	(.../MonitoringServiceProxy.java)	(revision d9c7ddef141d19423b6ab2914d153c2cb748f187)
+++ lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/service/MonitoringServiceProxy.java	(.../MonitoringServiceProxy.java)	(revision c7dee7dd8e62e6480aaaa0e435eba63a650b84b3)
@@ -26,7 +26,7 @@
 
 import javax.servlet.ServletContext;
 
-import org.lamsfoundation.lams.learning.service.ILearnerService;
+import org.lamsfoundation.lams.learning.service.ICoreLearnerService;
 import org.springframework.web.context.WebApplicationContext;
 import org.springframework.web.context.support.WebApplicationContextUtils;
 
@@ -63,9 +63,9 @@
      * @param servletContext the servletContext for current application
      * @return learner service object.
      */
-    public static final ILearnerService getLearnerService(ServletContext servletContext)
+    public static final ICoreLearnerService getLearnerService(ServletContext servletContext)
     {
-        return (ILearnerService)getDomainService(servletContext,"learnerService");
+        return (ICoreLearnerService)getDomainService(servletContext,"learnerService");
     }
     /**
      * Retrieve the proper Spring bean from bean factory. 
Index: lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/GateAction.java
===================================================================
diff -u -r843a5e9055e55f5069e0a26eb76ae76c1665814f -rc7dee7dd8e62e6480aaaa0e435eba63a650b84b3
--- lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/GateAction.java	(.../GateAction.java)	(revision 843a5e9055e55f5069e0a26eb76ae76c1665814f)
+++ lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/GateAction.java	(.../GateAction.java)	(revision c7dee7dd8e62e6480aaaa0e435eba63a650b84b3)
@@ -34,7 +34,7 @@
 import org.apache.struts.action.ActionForward;
 import org.apache.struts.action.ActionMapping;
 import org.apache.struts.action.DynaActionForm;
-import org.lamsfoundation.lams.learning.service.ILearnerService;
+import org.lamsfoundation.lams.learning.service.ICoreLearnerService;
 import org.lamsfoundation.lams.learningdesign.Activity;
 import org.lamsfoundation.lams.learningdesign.GateActivity;
 import org.lamsfoundation.lams.learningdesign.PermissionGateActivity;
@@ -93,7 +93,7 @@
 	// private static Logger log = Logger.getLogger(GateAction.class);
 	
 	private IMonitoringService monitoringService;
-	private ILearnerService learnerService;
+	private ICoreLearnerService learnerService;
     //---------------------------------------------------------------------
     // Class level constants - Struts forward
     //---------------------------------------------------------------------
Index: lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/GroupingAJAXAction.java
===================================================================
diff -u -r580e9bb194e76263d8a5ff2132d20dc1876010e8 -rc7dee7dd8e62e6480aaaa0e435eba63a650b84b3
--- lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/GroupingAJAXAction.java	(.../GroupingAJAXAction.java)	(revision 580e9bb194e76263d8a5ff2132d20dc1876010e8)
+++ lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/GroupingAJAXAction.java	(.../GroupingAJAXAction.java)	(revision c7dee7dd8e62e6480aaaa0e435eba63a650b84b3)
@@ -39,8 +39,6 @@
 import org.apache.struts.action.ActionForm;
 import org.apache.struts.action.ActionForward;
 import org.apache.struts.action.ActionMapping;
-import org.lamsfoundation.lams.learning.service.ILearnerService;
-import org.lamsfoundation.lams.learning.service.LearnerServiceProxy;
 import org.lamsfoundation.lams.learning.web.util.LearningWebUtil;
 import org.lamsfoundation.lams.learningdesign.Activity;
 import org.lamsfoundation.lams.learningdesign.ChosenGrouping;
Index: lams_monitoring/test/java/org/lamsfoundation/lams/monitoring/web/TestMonitoringAction.java
===================================================================
diff -u -rad683fcaeabe83c702b599c5c866bb7d30cd7191 -rc7dee7dd8e62e6480aaaa0e435eba63a650b84b3
--- lams_monitoring/test/java/org/lamsfoundation/lams/monitoring/web/TestMonitoringAction.java	(.../TestMonitoringAction.java)	(revision ad683fcaeabe83c702b599c5c866bb7d30cd7191)
+++ lams_monitoring/test/java/org/lamsfoundation/lams/monitoring/web/TestMonitoringAction.java	(.../TestMonitoringAction.java)	(revision c7dee7dd8e62e6480aaaa0e435eba63a650b84b3)
@@ -76,8 +76,6 @@
         super.setUp();
         setConfigFile("/WEB-INF/struts/struts-config.xml");
         setRequestPathInfo("/monitoring.do");
-        
-        //learnerService =  (ILearnerService)this.wac.getBean("learnerService");
     }
 
     /*