=== modified file 'dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/metadata/importers/DefaultIdentifiableObjectImporter.java'
--- dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/metadata/importers/DefaultIdentifiableObjectImporter.java	2014-07-14 05:03:38 +0000
+++ dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/metadata/importers/DefaultIdentifiableObjectImporter.java	2014-07-27 13:15:50 +0000
@@ -252,9 +252,11 @@
 
         private Expression extractExpression( T object, String fieldName )
         {
+            Expression expression = null;
+            
             if ( ReflectionUtils.findGetterMethod( fieldName, object ) != null )
             {
-                Object expression = ReflectionUtils.invokeGetterMethod( fieldName, object );
+                expression = ReflectionUtils.invokeGetterMethod( fieldName, object );
 
                 if ( expression != null && Expression.class.isAssignableFrom( expression.getClass() ) )
                 {
@@ -262,7 +264,7 @@
                 }
             }
 
-            return null;
+            return expression;
         }
 
         private Set<DataElementOperand> extractDataElementOperands( T object, String fieldName )