diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/xml/internal/bind/ValidationEventLocatorEx.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/ValidationEventLocatorEx.java	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 1997, 2011, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.xml.internal.bind;
+
+import javax.xml.bind.ValidationEventLocator;
+
+/**
+ * Defines additional accessor methods for the event source location.
+ * <p>
+ * This interface exposes the location information only available
+ * in the JAXB RI specific extension.
+ * <p>
+ * <em>DO NOT IMPLEMENT THIS INTERFACE BY YOUR CODE</em> because
+ * we might add more methods on this interface in the future release
+ * of the RI.
+ *
+ * <h2>Usage</h2>
+ * <p>
+ * If you obtain a reference to {@link javax.xml.bind.ValidationEventLocator},
+ * check if you can cast it to {@link ValidationEventLocatorEx} first, like this:
+ * <pre>
+ * void foo( ValidationEvent e ) {
+ *     ValidationEventLocator loc = e.getLocator();
+ *     if( loc instanceof ValidationEventLocatorEx ) {
+ *         String fieldName = ((ValidationEventLocatorEx)loc).getFieldName();
+ *         if( fieldName!=null ) {
+ *             // do something with location.
+ *         }
+ *     }
+ * }
+ * </pre>
+ *
+ * @author
+ *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
+ */
+public interface ValidationEventLocatorEx extends ValidationEventLocator {
+    /**
+     * Returns the field name of the object where the error occured.
+     * <p>
+     * This method always returns null when you are doing
+     * a validation during unmarshalling.
+     *
+     * When not null, the field name indicates the field of the object
+     * designated by the {@link #getObject()} method where the error
+     * occured.
+     */
+    String getFieldName();
+}