=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/resources/i18n_global.properties'
--- dhis-2/dhis-services/dhis-service-core/src/main/resources/i18n_global.properties	2014-12-17 14:17:16 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/resources/i18n_global.properties	2015-02-13 13:17:36 +0000
@@ -908,6 +908,8 @@
 value_not_bool=Data value is not a boolean
 value_not_true_only=Data value is not true
 value_not_valid_date=Data value is not a valid date
+stored_by_length_greater_than_max_length=Stored by is greater than max length
+comment_length_greater_than_max_length=Comment is greater than max length
 
 #-- calendars -----------------------------------------------------------------#
 

=== modified file 'dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/datavalueset/DefaultDataValueSetService.java'
--- dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/datavalueset/DefaultDataValueSetService.java	2015-01-17 07:41:26 +0000
+++ dhis-2/dhis-services/dhis-service-dxf2/src/main/java/org/hisp/dhis/dxf2/datavalueset/DefaultDataValueSetService.java	2015-02-13 13:17:36 +0000
@@ -805,14 +805,21 @@
             internalValue.setAttributeOptionCombo( attrOptionCombo );
             internalValue.setValue( trimToNull( dataValue.getValue() ) );
 
+            String storedByValid = ValidationUtils.storedByIsValid( dataValue.getStoredBy() );
+            
             if ( dataValue.getStoredBy() == null || dataValue.getStoredBy().trim().isEmpty() )
             {
                 internalValue.setStoredBy( currentUser );
             }
-            else
+            else if ( storedByValid == null )
             {
                 internalValue.setStoredBy( dataValue.getStoredBy() );
             }
+            else
+            {
+                summary.getConflicts().add( new ImportConflict( dataValue.getStoredBy(), i18n.getString( storedByValid ) ) );
+                continue;
+            }
 
             internalValue.setCreated( dataValue.hasCreated() ? parseDate( dataValue.getCreated() ) : now );
             internalValue.setLastUpdated( dataValue.hasLastUpdated() ? parseDate( dataValue.getLastUpdated() ) : now );

=== modified file 'dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/ValidationUtils.java'
--- dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/ValidationUtils.java	2015-01-17 07:41:26 +0000
+++ dhis-2/dhis-support/dhis-support-system/src/main/java/org/hisp/dhis/system/util/ValidationUtils.java	2015-02-13 13:17:36 +0000
@@ -374,6 +374,32 @@
     }
 
     /**
+     * Checks if the given stored by value is valid. Returns null if valid and a string
+     * if invalid, possible values are:
+     * </p>
+     * <ul>
+     * <li>stored_by_length_greater_than_max_length</li>
+     * </ul>
+     *
+     * @param storedBy the stored by value.
+     * @return null if the stored by value is valid, a string if not.
+     */
+    public static String storedByIsValid( String storedBy )
+    {
+        if ( storedBy == null || storedBy.trim().isEmpty() )
+        {
+            return null;
+        }
+        
+        if ( storedBy.length() > 31 )
+        {
+            return "stored_by_length_greater_than_max_length";
+        }
+        
+        return null;
+    }
+    
+    /**
      * Checks to see if given parameter is a valid hex color string (#xxx and #xxxxxx, xxx, xxxxxx).
      *
      * @param value Value to check against