问如何在网络流量ServerHttpRequest中获取原始url路径

EN

 @Component
    public class ServerAuthEntryPointJwt implements ServerAuthenticationEntryPoint {
    
        private static final Logger logger = LoggerFactory.getLogger(ServerAuthEntryPointJwt.class);
    
        @Override
        public Mono<Void> commence(ServerWebExchange exchange, AuthenticationException ex) {
            // TODO Auto-generated method stub
            logger.error("Unauthorized error: {}", ex.getMessage());
    
            ServerHttpRequest request = (ServerHttpRequest) exchange.getRequest(); 
            ServerHttpResponse response = (ServerHttpResponse) exchange.getResponse();
    
    //    response.set(MediaType.APPLICATION_JSON_VALUE);
            response.setStatusCode(HttpStatus.UNAUTHORIZED);
    
            final Map<String, Object> body = new HashMap<>();
            body.put("status", HttpStatus.UNAUTHORIZED);
            body.put("error", "Unauthorized");
            body.put("message", ex.getMessage());
            body.put("path", request.getURI().getPath());
            response.getHeaders().add(HttpHeaders.CONTENT_TYPE, "application/json");
            JSONObject fadfa = new JSONObject(body);
            byte[] bytes = fadfa.toString().getBytes(StandardCharsets.UTF_8);
            DataBuffer buffer = exchange.getResponse().bufferFactory().wrap(bytes);
            return exchange.getResponse().writeWith(Flux.just(buffer));
    
        }
    
    }

{
        "path": "/admin-service/conversation-management/conversations",
        "error": "Unauthorized",
        "message": "Not Authenticated",
        "status": "UNAUTHORIZED"
    }