--- /dev/null	Mon Nov 17 20:10:11 2014
+++ new/test/javax/xml/jaxp/unittest/javax/xml/transform/Bug6490380.java	Mon Nov 17 20:10:10 2014
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * 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 javax.xml.transform;
+
+import java.io.StringWriter;
+import java.net.URL;
+
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.stream.StreamResult;
+import javax.xml.transform.stream.StreamSource;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+/*
+ * @bug 6490380
+ * @summary Test only a single DOCTYPE declaration is generated through transforming.
+ */
+public class Bug6490380 {
+
+    @Test
+    public void test() {
+        try {
+            Transformer transformer = TransformerFactory.newInstance().newTransformer();
+            URL input = Bug6490380.class.getResource("Bug4693341.xml");
+            StreamSource source = new StreamSource(input.openStream(), input.toString());
+            StringWriter sw = new StringWriter();
+            transformer.transform(source, new StreamResult(sw));
+            String s = sw.toString();
+            Assert.assertEquals(s.indexOf("!DOCTYPE"), s.lastIndexOf("!DOCTYPE"));
+        } catch (Exception ex) {
+            Assert.fail(ex.getMessage());
+        }
+    }
+}