@Override
        public String getHeader(String name) {
            if ("Content-Length".equalsIgnoreCase(name)) {
                return null;
            } else if ("Content-MD5".equalsIgnoreCase(name)) {
                return null;
            } else if ("Content-Encoding".equalsIgnoreCase(name)) {
                return null;
            } else {
                return super.getHeader(name);
            }
        }
@see jakarta.servlet.http.HttpServletRequestWrapper#getHeader(java.lang.String)
src/nu/validator/servlet/InboundGzipFilter.java