code: @Override
  	public void releaseConnection() {
  		Header header = getResponseHeader("content-type");
  		if (header != null) {
  			String contentTypeHeader = header.getValue();
  			if (contentTypeHeader != null && contentTypeHeader.toLowerCase(Locale.ROOT).contains("text/event-stream")) {
  				return;
  			}
  		}
  		
  		super.releaseConnection();
      }
docs: Avoid releasing connection on event stream that is used in Server-Sent
  Events.