--- old/src/com/sun/org/apache/xerces/internal/impl/msg/XMLMessages.properties	Wed May  8 13:35:46 2013
+++ new/src/com/sun/org/apache/xerces/internal/impl/msg/XMLMessages.properties	Wed May  8 13:35:46 2013
@@ -261,6 +261,9 @@
 # Entity related messages
 # 3.1 Start-Tags, End-Tags, and Empty-Element Tags
         ReferenceToExternalEntity = The external entity reference \"&{0};\" is not permitted in an attribute value.
+        AccessExternalDTD = External DTD: Failed to read external DTD ''{0}'', because ''{1}'' access is not allowed.
+        AccessExternalEntity = External Entity: Failed to read external document ''{0}'', because ''{1}'' access is not allowed.
+
 # 4.1 Character and Entity References
         EntityNotDeclared = The entity \"{0}\" was referenced, but not declared.
         ReferenceToUnparsedEntity = The unparsed entity reference \"&{0};\" is not permitted.