private String transformAbsoluteURI(final String uri) {
        if (uri.startsWith("https://")) {
            return uri.substring(uri.indexOf("/", 8));
        }
        if (uri.startsWith("http://")) {
            return uri.substring(uri.indexOf("/", 7));
        }
        return uri;
    }
@param handler        Specific service provider.
@param httpMethods    Register the http methods which the handler service accepts. Other methods respond "405, Method Not Allowed".
oap-server/server-library/library-server/src/main/java/org/apache/skywalking/oap/server/library/server/http/HTTPServer.java