diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/impl/AttributePropertyInfoImpl.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/impl/AttributePropertyInfoImpl.java	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,102 @@
+/*
+ * 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.v2.model.impl;
+
+import javax.xml.bind.annotation.XmlAttribute;
+import javax.xml.bind.annotation.XmlSchema;
+import javax.xml.namespace.QName;
+
+import com.sun.xml.internal.bind.api.impl.NameConverter;
+import com.sun.xml.internal.bind.v2.model.core.AttributePropertyInfo;
+import com.sun.xml.internal.bind.v2.model.core.PropertyKind;
+
+/**
+ * @author Kohsuke Kawaguchi
+ */
+class AttributePropertyInfoImpl<TypeT,ClassDeclT,FieldT,MethodT>
+    extends SingleTypePropertyInfoImpl<TypeT,ClassDeclT,FieldT,MethodT>
+    implements AttributePropertyInfo<TypeT,ClassDeclT> {
+
+    private final QName xmlName;
+
+    private final boolean isRequired;
+
+    AttributePropertyInfoImpl(ClassInfoImpl<TypeT,ClassDeclT,FieldT,MethodT> parent, PropertySeed<TypeT,ClassDeclT,FieldT,MethodT> seed ) {
+        super(parent,seed);
+        XmlAttribute att = seed.readAnnotation(XmlAttribute.class);
+        assert att!=null;
+
+        if(att.required())
+            isRequired = true;
+        else isRequired = nav().isPrimitive(getIndividualType());
+
+        this.xmlName = calcXmlName(att);
+    }
+
+    private QName calcXmlName(XmlAttribute att) {
+        String uri;
+        String local;
+
+        uri = att.namespace();
+        local = att.name();
+
+        // compute the default
+        if(local.equals("##default"))
+            local = NameConverter.standard.toVariableName(getName());
+        if(uri.equals("##default")) {
+            XmlSchema xs = reader().getPackageAnnotation( XmlSchema.class, parent.getClazz(), this );
+            // JAX-RPC doesn't want the default namespace URI swapping to take effect to
+            // local "unqualified" elements. UGLY.
+            if(xs!=null) {
+                switch(xs.attributeFormDefault()) {
+                case QUALIFIED:
+                    uri = parent.getTypeName().getNamespaceURI();
+                    if(uri.length()==0)
+                        uri = parent.builder.defaultNsUri;
+                    break;
+                case UNQUALIFIED:
+                case UNSET:
+                    uri = "";
+                }
+            } else
+                uri = "";
+        }
+
+        return new QName(uri.intern(),local.intern());
+    }
+
+    public boolean isRequired() {
+        return isRequired;
+    }
+
+    public final QName getXmlName() {
+        return xmlName;
+    }
+
+    public final PropertyKind kind() {
+        return PropertyKind.ATTRIBUTE;
+    }
+}