Index: UserManagerImpl.java
===================================================================
--- UserManagerImpl.java        (revision 667292)
+++ UserManagerImpl.java        (working copy)
@@ -89,8 +89,7 @@
         if (n != null) {
             authorz = UserImpl.create(n, this);
         } else {
-            Name nodeName = session.getQName(id);
-            n = (NodeImpl) authResolver.findNode(nodeName, NT_REP_GROUP);
+            n = (NodeImpl) authResolver.findNode(P_PRINCIPAL_NAME, id, NT_REP_GROUP);
             if (n != null) {
                 authorz = GroupImpl.create(n, this);
             }