--- a/jaxws/src/java.xml.ws/share/classes/com/sun/xml/internal/ws/util/pipe/AbstractSchemaValidationTube.java	Wed Jul 05 20:08:43 2017 +0200
+++ b/jaxws/src/java.xml.ws/share/classes/com/sun/xml/internal/ws/util/pipe/AbstractSchemaValidationTube.java	Tue Dec 02 15:03:49 2014 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -483,7 +483,7 @@
         assert docs.size() > 1;
 
         final StringBuilder sb = new StringBuilder("<xsd:schema xmlns:xsd='http://www.w3.org/2001/XMLSchema'");
-        if (!tns.equals("")) {
+        if (!"".equals(tns)) {
             sb.append(" targetNamespace='").append(tns).append("'");
         }
         sb.append(">\n");
@@ -521,7 +521,7 @@
             String systemId = e.getValue();
             String ns = e.getKey();
             sb.append("<xsd:import schemaLocation='").append(systemId).append("'");
-            if (!ns.equals("")) {
+            if (!"".equals(ns)) {
                 sb.append(" namespace='").append(ns).append("'");
             }
             sb.append("/>\n");