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

*** 1,7 ****
  /*
!  * Copyright (c) 2015, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * 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
*** 141,152 ****
          //
          //     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");
          request.setProxy(proxy);
      }
  
      private static Collection<String> createRequestSubprotocols(
              Collection<String> subprotocols)
--- 141,151 ----
          //
          //     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);
!         Utils.setWebSocketUpgradeHeaders(request);
          request.setProxy(proxy);
      }
  
      private static Collection<String> createRequestSubprotocols(
              Collection<String> subprotocols)