JERSEY-3240: MBW advised to return -1 from #getSize(...).

Change-Id: I365ae7111275f0fafe03e4e74bdfa85ce8995488

Author: pavelbucek

docs/src/main/docbook/mbw.xml

@@ -3,7 +3,7 @@
 
     DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 
-    Copyright (c) 2012-2013 Oracle and/or its affiliates. All rights reserved.
+    Copyright (c) 2012-2017 Oracle and/or its affiliates. All rights reserved.
 
     The contents of this file are subject to the terms of either the GNU
     General Public License Version 2 only ("GPL") or the Common Development
@@ -180,7 +180,7 @@ public class MyBeanMessageBodyWriter implements MessageBodyWriter<MyBean> {
     public long getSize(MyBean myBean, Class<?> type, Type genericType,
                         Annotation[] annotations, MediaType mediaType) {
         // deprecated by JAX-RS 2.0 and ignored by Jersey runtime
-        return 0;
+        return -1;
     }
 
     @Override