diff -r b344704b05a1 -r e716ed4b0efb src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/XMLStreamWriterOutput.java
--- a/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/XMLStreamWriterOutput.java	Tue Apr 03 17:09:13 2018 -0700
+++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/output/XMLStreamWriterOutput.java	Mon Apr 23 13:24:44 2018 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, 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
@@ -33,6 +33,7 @@
 import javax.xml.stream.XMLStreamWriter;
 
 import com.sun.xml.internal.bind.marshaller.CharacterEscapeHandler;
+import com.sun.xml.internal.bind.marshaller.NoEscapeHandler;
 import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;
 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
 
@@ -71,7 +72,7 @@
         }
 
         CharacterEscapeHandler xmlStreamEscapeHandler = escapeHandler != null ?
-                escapeHandler : NewLineEscapeHandler.theInstance;
+                escapeHandler : NoEscapeHandler.theInstance;
 
         // otherwise the normal writer.
         return new XMLStreamWriterOutput(out, xmlStreamEscapeHandler);
@@ -217,45 +218,6 @@
         }
     }
 
-
-    /**
-     * Performs character escaping only for new lines.
-     */
-    private static class NewLineEscapeHandler implements CharacterEscapeHandler {
-
-        public static final NewLineEscapeHandler theInstance = new NewLineEscapeHandler();
-
-        @Override
-        public void escape(char[] ch, int start, int length, boolean isAttVal, Writer out) throws IOException {
-            int limit = start+length;
-            int lastEscaped = start;
-
-            for (int i = start; i < limit; i++) {
-                char c = ch[i];
-                if (c == '\r' || c == '\n') {
-                    if (i != lastEscaped) {
-                        out.write(ch, lastEscaped, i - lastEscaped);
-                    }
-                    lastEscaped = i + 1;
-                    if (out instanceof XmlStreamOutWriterAdapter) {
-                        try {
-                            ((XmlStreamOutWriterAdapter)out).writeEntityRef("#x" + Integer.toHexString(c));
-                        } catch (XMLStreamException e) {
-                            throw new IOException("Error writing xml stream", e);
-                        }
-                    } else {
-                        out.write("&#x");
-                        out.write(Integer.toHexString(c));
-                        out.write(';');
-                    }
-                }
-            }
-            if (lastEscaped != limit) {
-                out.write(ch, lastEscaped, length - lastEscaped);
-            }
-        }
-    }
-
     private static final class XmlStreamOutWriterAdapter extends Writer {
 
         private final XMLStreamWriter writer;