--- /dev/null	Mon Nov 17 20:34:24 2014
+++ new/test/javax/xml/jaxp/unittest/org/w3c/dom/ls/Bug4973153.java	Mon Nov 17 20:34:23 2014
@@ -0,0 +1,200 @@
+/*
+ * 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 org.w3c.dom.ls;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.StringBufferInputStream;
+import java.io.Writer;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+
+import org.testng.Assert;
+import org.testng.annotations.AfterMethod;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+import org.w3c.dom.DOMError;
+import org.w3c.dom.DOMErrorHandler;
+import org.w3c.dom.DOMImplementation;
+import org.w3c.dom.Document;
+import org.w3c.dom.ls.DOMImplementationLS;
+import org.w3c.dom.ls.LSInput;
+import org.w3c.dom.ls.LSOutput;
+import org.w3c.dom.ls.LSParser;
+import org.w3c.dom.ls.LSSerializer;
+import org.xml.sax.SAXException;
+
+/*
+ * @bug 4973153
+ * @summary Test LSSerialiser.setEncoding() raises 'unsupported-encoding' error if encoding is invalid.
+ */
+public class Bug4973153 {
+
+    DOMImplementationLS implLS = null;
+    public String xml1 = "<?xml version=\"1.0\"?><ROOT><ELEMENT1></ELEMENT1><ELEMENT2></ELEMENT2></ROOT>";
+
+    @Test
+    public void testOne() {
+        LSParser db = createLSParser();
+        if (db == null) {
+            System.out.println("Unable to create LSParser !");
+            return;
+        }
+        LSSerializer dw = createLSSerializer();
+        if (dw == null) {
+            System.out.println("Unable to create LSSerializer!");
+            return;
+        }
+
+        DOMErrorHandlerImpl eh = new DOMErrorHandlerImpl();
+        dw.getDomConfig().setParameter("error-handler", eh);
+        Document doc = db.parse(getXml1Source());
+
+        Output out = new Output();
+        out.setByteStream(new ByteArrayOutputStream());
+        out.setEncoding("WrOnG_EnCoDiNg");
+        try {
+            if (dw.write(doc, out)) {
+                System.out.println("Expected result value - false");
+                return;
+            }
+        } catch (Exception ex) {
+            // This is bad.
+        }
+        if (!eh.WrongEncodingErrorReceived) {
+            Assert.fail("'unsupported-encoding' error was expected ");
+            return;
+        }
+        System.out.println("OKAY");
+        return;
+    }
+
+    @BeforeMethod
+    protected void setUp() {
+        Document doc = null;
+        DocumentBuilder parser = null;
+        try {
+            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+            parser = factory.newDocumentBuilder();
+        } catch (ParserConfigurationException e) {
+            e.printStackTrace();
+        }
+        StringBufferInputStream is = new StringBufferInputStream(xml1);
+        try {
+            doc = parser.parse(is);
+        } catch (SAXException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        DOMImplementation impl = doc.getImplementation();
+        implLS = (DOMImplementationLS) impl.getFeature("LS", "3.0");
+    }
+
+    @AfterMethod
+    protected void tearDown() {
+        implLS = null;
+    }
+
+    public LSParser createLSParser() {
+        return implLS.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, "http://www.w3.org/2001/XMLSchema");
+    }
+
+    public LSSerializer createLSSerializer() {
+        return implLS.createLSSerializer();
+    }
+
+    public LSInput createLSInput() {
+        return implLS.createLSInput();
+    }
+
+    public LSInput getXml1Source() {
+        LSInput src = createLSInput();
+        src.setStringData(xml1);
+        return src;
+    }
+}
+
+class Output implements LSOutput {
+    OutputStream bs;
+    Writer cs;
+    String sId;
+    String enc;
+
+    public Output() {
+        bs = null;
+        cs = null;
+        sId = null;
+        enc = "UTF-8";
+    }
+
+    public OutputStream getByteStream() {
+        return bs;
+    }
+
+    public void setByteStream(OutputStream byteStream) {
+        bs = byteStream;
+    }
+
+    public Writer getCharacterStream() {
+        return cs;
+    }
+
+    public void setCharacterStream(Writer characterStream) {
+        cs = characterStream;
+    }
+
+    public String getSystemId() {
+        return sId;
+    }
+
+    public void setSystemId(String systemId) {
+        sId = systemId;
+    }
+
+    public String getEncoding() {
+        return enc;
+    }
+
+    public void setEncoding(String encoding) {
+        enc = encoding;
+    }
+}
+
+class DOMErrorHandlerImpl implements DOMErrorHandler {
+    boolean NoOutputSpecifiedErrorReceived = false;
+    boolean WrongEncodingErrorReceived = false;
+
+    public boolean handleError(DOMError error) {
+        if ("no-output-specified".equalsIgnoreCase(error.getType())) {
+            NoOutputSpecifiedErrorReceived = true;
+        } else if ("unsupported-encoding".equalsIgnoreCase(error.getType())) {
+            WrongEncodingErrorReceived = true;
+        }
+        return true;
+    }
+}