--- /dev/null	2016-07-18 02:17:27.392000000 -0700
+++ new/test/javax/xml/jaxp/unittest/transform/Bug6551616.java	2016-07-18 00:52:54.847130271 -0700
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2014, 2016, 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.
+ */
+
+/*
+ * @test
+ * @bug 6551616
+ * @summary Test SAX2StAXEventWriter.
+ */
+
+package transform;
+
+import java.io.InputStream;
+import java.io.StringBufferInputStream;
+
+import javax.xml.stream.XMLEventWriter;
+import javax.xml.stream.XMLOutputFactory;
+
+import org.testng.annotations.Listeners;
+import org.testng.annotations.Test;
+
+import com.sun.org.apache.xalan.internal.xsltc.trax.SAX2StAXEventWriter;
+
+@Listeners({jaxp.library.InternalAPIPolicy.class})
+public class Bug6551616 {
+    String _cache = "";
+
+
+    @Test
+    public void test() throws Exception {
+        final String XML = "" + "<?xml version='1.0'?>" + "<doc xmlns:foo='http://example.com/foo/' xml:lang='us-en'><p>Test</p></doc>";
+
+        javax.xml.parsers.SAXParserFactory saxFactory = javax.xml.parsers.SAXParserFactory.newInstance();
+
+        javax.xml.parsers.SAXParser parser = saxFactory.newSAXParser();
+
+        XMLOutputFactory outFactory = XMLOutputFactory.newInstance();
+        XMLEventWriter writer = outFactory.createXMLEventWriter(System.out);
+
+        SAX2StAXEventWriter handler = new SAX2StAXEventWriter(writer);
+
+        InputStream is = new StringBufferInputStream(XML);
+
+        parser.parse(is, handler);
+
+        // if it doesn't blow up, it succeeded.
+    }
+}