src/java.httpclient/share/classes/java/net/http/PlainTunnelingConnection.java

*** 109,119 ****
      long write(ByteBuffer buffer) throws IOException {
          return delegate.write(buffer);
      }
  
      @Override
!     void close() {
          delegate.close();
          connected = false;
      }
  
      @Override
--- 109,119 ----
      long write(ByteBuffer buffer) throws IOException {
          return delegate.write(buffer);
      }
  
      @Override
!     public void close() {
          delegate.close();
          connected = false;
      }
  
      @Override