Index: lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/MonitoringAction.java
===================================================================
RCS file: /usr/local/cvsroot/lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/MonitoringAction.java,v
diff -u -r1.118.2.36 -r1.118.2.37
--- lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/MonitoringAction.java	28 Apr 2016 09:06:18 -0000	1.118.2.36
+++ lams_monitoring/src/java/org/lamsfoundation/lams/monitoring/web/MonitoringAction.java	28 Apr 2016 14:56:38 -0000	1.118.2.37
@@ -1073,13 +1073,13 @@
 	}
 
 	// Fetch number of learners at each activity
-	Long[] activityIds = new Long[activities.size()];
-	int index = 0;
+	ArrayList<Long> activityIds = new ArrayList<Long>();
 	for (Activity activity : activities) {
-	    activityIds[index++] = activity.getActivityId();
+	    activityIds.add(activity.getActivityId());
 	}
-	Map<Long, Integer> learnerCounts = getMonitoringService().getCountLearnersCurrentActivities(activityIds);
-
+	Map<Long, Integer> learnerCounts = getMonitoringService()
+		.getCountLearnersCurrentActivities(activityIds.toArray(new Long[activityIds.size()]));
+	
 	JSONArray activitiesJSON = new JSONArray();
 	for (Activity activity : activities) {
 	    Long activityId = activity.getActivityId();