src/java.net.http/share/classes/jdk/internal/net/http/websocket/OpeningHandshake.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, 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.  Oracle designates this

@@ -141,12 +141,11 @@
         //
         //     https://tools.ietf.org/html/draft-hirano-httpbis-websocket-over-http2-00
         requestBuilder.version(Version.HTTP_1_1).GET();
         request = requestBuilder.buildForWebSocket();
         request.isWebSocket(true);
-        request.setSystemHeader(HEADER_UPGRADE, "websocket");
-        request.setSystemHeader(HEADER_CONNECTION, "Upgrade");
+        Utils.setWebSocketUpgradeHeaders(request);
         request.setProxy(proxy);
     }
 
     private static Collection<String> createRequestSubprotocols(
             Collection<String> subprotocols)