Index: /trunk/src/org/openstreetmap/josm/data/validation/routines/InetAddressValidator.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/validation/routines/InetAddressValidator.java	(revision 16646)
+++ /trunk/src/org/openstreetmap/josm/data/validation/routines/InetAddressValidator.java	(revision 16647)
@@ -137,5 +137,5 @@
             return false;
         }
-        String[] octets = inet6Address.split(":", -1);
+        String[] octets = inet6Address.split(":");
         if (containsCompressedZeroes) {
             List<String> octetList = new ArrayList<>(Arrays.asList(octets));