=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/validation/DefaultValidationRuleService.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/validation/DefaultValidationRuleService.java	2013-10-15 12:12:59 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/validation/DefaultValidationRuleService.java	2013-10-21 14:19:10 +0000
@@ -261,6 +261,7 @@
 
         return rulesForDataSet;
     }
+    
     // -------------------------------------------------------------------------
     // ValidationRule CRUD operations
     // -------------------------------------------------------------------------

=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/validation/ValidationRunContext.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/validation/ValidationRunContext.java	2013-10-16 16:00:05 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/validation/ValidationRunContext.java	2013-10-21 14:19:10 +0000
@@ -160,8 +160,8 @@
         
         if ( surveillanceRulesPresent )
         {
-        	Set<OrganisationUnit> otherDescendants = getAllOtherDescendants( sources );
-        	addSourcesToContext( otherDescendants, false );
+            Set<OrganisationUnit> otherDescendants = getAllOtherDescendants( sources );
+            addSourcesToContext( otherDescendants, false );
         }
     }
 
@@ -172,11 +172,11 @@
      */
     private void addPeriodsToContext ( Collection<Period> periods )
     {
-	    for ( Period period : periods )
-	    {
-	        PeriodTypeExtended periodTypeX = getOrCreatePeriodTypeExtended( period.getPeriodType() );
-	        periodTypeX.getPeriods().add( period );
-	    }
+        for ( Period period : periods )
+	{
+	    PeriodTypeExtended periodTypeX = getOrCreatePeriodTypeExtended( period.getPeriodType() );
+	    periodTypeX.getPeriods().add( period );
+	}
     }
 
     /**
@@ -230,7 +230,6 @@
      */
     private void removeAnyUnneededPeriodTypes()
     {
-        // Start by making a defensive copy so we can delete while iterating.
         Set<PeriodTypeExtended> periodTypeXs = new HashSet<PeriodTypeExtended>( periodTypeExtendedMap.values() );
         for ( PeriodTypeExtended periodTypeX : periodTypeXs )
         {
@@ -279,7 +278,7 @@
      * need to add
      */
     private void getOtherDescendantsRecursive( OrganisationUnit source, Collection<OrganisationUnit> sources,
-    		Set<OrganisationUnit> allOtherDescendants )
+        Set<OrganisationUnit> allOtherDescendants )
     {
         for ( OrganisationUnit child : source.getChildren() )
         {
@@ -303,7 +302,6 @@
      */
     private void addSourcesToContext ( Collection<OrganisationUnit> sources, boolean ruleCheckThisSource )
     {
-        // Get the information we need for each source.
         for ( OrganisationUnit source : sources )
         {
             OrganisationUnitExtended sourceX = new OrganisationUnitExtended( source, ruleCheckThisSource );

=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/mapping/MapViewController.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/mapping/MapViewController.java	2013-08-23 16:00:30 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/mapping/MapViewController.java	2013-10-21 14:19:10 +0000
@@ -76,10 +76,16 @@
     private ContextUtils contextUtils;
 
     @RequestMapping(value = { "/{uid}/data", "/{uid}/data.png" }, method = RequestMethod.GET)
-    public void getMap( @PathVariable String uid, HttpServletResponse response ) throws Exception
+    public void getMapViewData( @PathVariable String uid, HttpServletResponse response ) throws Exception
     {
         MapView mapView = mappingService.getMapView( uid );
 
+        if ( mapView == null )
+        {
+            ContextUtils.notFoundResponse( response, "Map view does not exist: " + uid );
+            return;
+        }
+
         renderMapViewPng( mapView, response );
     }