[GitHub] [skywalking] seifeHu opened a new issue #3985: skywalking springcloud gateway plugin not suppot springcloud greenwish sr4

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seifeHu opened a new issue #3985: skywalking springcloud gateway plugin not suppot springcloud greenwish sr4
URL: https://github.com/apache/skywalking/issues/3985
 
 
   
   ### Bug
   - Which version of SkyWalking, OS and JRE?
   skywalking version 6.5
   springcloud version greenwish SR4   (Spring Cloud Gateway 2.1.4.RELEASE)
   springboot version2.1.10.release
   
   I can not got trace form springcloud gateway  in skywalking. 
    other springmvc app I can got trace In these versions
   
    when I  use spring  springcloud version greenwish SR3(Spring Cloud Gateway 2.1.3.RELEASE 
   ) 。Ｉ can got trace  for Spring Cloud Gateway  in Skywalking . 
   
   There are also some bugs in skywalking springcloud gateway plugin  from  springcloud sr3
   I write customer filter for gateway.  In filter  do a spring feign method  call in a mono 
   `
    public GatewayFilter apply(Config config) {
           return (exchange, chain) -> {
               
               
               Mono<Mono<Void>> objectMono = Mono.create(monoSink -> {
                   executor.execute(new Runnable() {
                       @Override
                       public void run() {
   
                           CgiResult<JSONObject> cgiResult = null;
                           try {
                               cgiResult = iIotimTicketValidateService.validate(token, iotimTicket, din);
                           } catch (Exception e) {
                               logger.error("feign error:", e);
                           }
   
                           if (cgiResult != null && cgiResult.getErrCode() == 0) {
   
                               monoSink.success(chain.filter(exchange));
                           } else {
                               monoSink.success(unauthorizedResponse(exchange, cgiResult.getErrCode(), cgiResult == null ? "feign error" : cgiResult.getErrMsg()));
                           }
                       }
                   });
               });
               return objectMono;
   }			
   This  feign call not seen in one trace chain .   
   
   my call chain is   
   user ->gateway->feigncall_In_mono->feignRet->gatewayRouterToAppCall 
   

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