=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/common/BaseAnalyticalObject.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/common/BaseAnalyticalObject.java	2013-08-23 15:56:19 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/common/BaseAnalyticalObject.java	2013-08-28 11:29:37 +0000
@@ -656,7 +656,7 @@
 
     @JsonProperty
     @JsonSerialize( contentAs = BaseIdentifiableObject.class )
-    @JsonView( {DetailedView.class, ExportView.class} )
+    @JsonView( DetailedView.class )
     @JacksonXmlElementWrapper( localName = "dataElementOperands", namespace = DxfNamespaces.DXF_2_0)
     @JacksonXmlProperty( localName = "dataElementOperand", namespace = DxfNamespaces.DXF_2_0)
     public List<DataElementOperand> getDataElementOperands()

=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/common/BaseIdentifiableObject.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/common/BaseIdentifiableObject.java	2013-08-28 09:35:34 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/common/BaseIdentifiableObject.java	2013-08-28 11:29:37 +0000
@@ -37,6 +37,7 @@
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement;
 import org.apache.commons.lang.Validate;
+import org.hisp.dhis.common.view.BasicView;
 import org.hisp.dhis.common.view.DetailedView;
 import org.hisp.dhis.common.view.ExportView;
 import org.hisp.dhis.user.User;
@@ -252,7 +253,7 @@
 
     @Override
     @JsonProperty
-    @JsonView( { DetailedView.class, ExportView.class } )
+    @JsonView( { DetailedView.class } )
     @JacksonXmlProperty( namespace = DxfNamespaces.DXF_2_0 )
     public String getPublicAccess()
     {
@@ -266,7 +267,7 @@
 
     @Override
     @JsonProperty
-    @JsonView( { DetailedView.class, ExportView.class } )
+    @JsonView( { DetailedView.class } )
     @JacksonXmlProperty( namespace = DxfNamespaces.DXF_2_0 )
     public boolean getExternalAccess()
     {
@@ -296,7 +297,7 @@
     }
 
     @JsonProperty
-    @JsonView( { DetailedView.class, ExportView.class } )
+    @JsonView( { DetailedView.class } )
     @JacksonXmlElementWrapper( localName = "userGroupAccesses", namespace = DxfNamespaces.DXF_2_0 )
     @JacksonXmlProperty( localName = "userGroupAccess", namespace = DxfNamespaces.DXF_2_0 )
     public Set<UserGroupAccess> getUserGroupAccesses()
@@ -310,6 +311,7 @@
     }
 
     @JsonProperty
+    @JsonView( { DetailedView.class } )
     @JacksonXmlProperty( localName = "access", namespace = DxfNamespaces.DXF_2_0 )
     public Access getAccess()
     {

=== modified file 'dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/metadata/ExchangeClasses.java'
--- dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/metadata/ExchangeClasses.java	2013-08-28 09:35:34 +0000
+++ dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/metadata/ExchangeClasses.java	2013-08-28 11:29:37 +0000
@@ -164,8 +164,9 @@
         exportClasses = new LinkedHashMap<Class<? extends IdentifiableObject>, String>( allExportClasses );
         importClasses = new LinkedHashMap<Class<? extends IdentifiableObject>, String>( allExportClasses );
 
-        // for now, do not allow user to be imported
+        // for now, do not allow user/userGroup to be imported
         importClasses.remove( User.class );
+        importClasses.remove( UserGroup.class );
 
         // this is considered data, and is not available for meta-data export/import
         exportClasses.remove( MessageConversation.class );

=== modified file 'dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/utils/JacksonUtils.java'
--- dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/utils/JacksonUtils.java	2013-08-28 09:35:34 +0000
+++ dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/utils/JacksonUtils.java	2013-08-28 11:29:37 +0000
@@ -74,7 +74,7 @@
             objectMapper.configure( SerializationFeature.WRAP_EXCEPTIONS, true );
 
             objectMapper.configure( DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false );
-            objectMapper.configure( DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES, false );
+            objectMapper.configure( DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES, true );
             objectMapper.configure( DeserializationFeature.WRAP_EXCEPTIONS, true );
 
             objectMapper.disable( MapperFeature.AUTO_DETECT_FIELDS );

=== modified file 'dhis-2/dhis-services/dhis-service-dxf2/src/test/java/org/hisp/dhis/dxf/metadata/JacksonUtilsTest.java'
--- dhis-2/dhis-services/dhis-service-dxf2/src/test/java/org/hisp/dhis/dxf/metadata/JacksonUtilsTest.java	2013-08-23 16:05:01 +0000
+++ dhis-2/dhis-services/dhis-service-dxf2/src/test/java/org/hisp/dhis/dxf/metadata/JacksonUtilsTest.java	2013-08-28 11:29:37 +0000
@@ -28,6 +28,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+import org.hisp.dhis.common.view.DetailedView;
+import org.hisp.dhis.common.view.ExportView;
 import org.hisp.dhis.dxf2.metadata.MetaData;
 import org.hisp.dhis.dxf2.utils.JacksonUtils;
 import org.junit.Test;
@@ -42,6 +44,10 @@
     {
         JacksonUtils.toJsonAsString( new MetaData() );
         JacksonUtils.toXmlAsString( new MetaData() );
+        JacksonUtils.toJsonWithViewAsString( new MetaData(), DetailedView.class );
+        JacksonUtils.toXmlWithViewAsString( new MetaData(), DetailedView.class );
+        JacksonUtils.toJsonWithViewAsString( new MetaData(), ExportView.class );
+        JacksonUtils.toXmlWithViewAsString( new MetaData(), ExportView.class );
     }
 
     @Test