liubao68 commented on issue #3790:
URL: 
https://github.com/apache/servicecomb-java-chassis/issues/3790#issuecomment-1556758119

   I checked vert.x code, you can disable `DnsResolverProvider` by setting 
-Dvertx.disableDnsResolver=true . And will use netty `DefaultResolverProvider`. 
   
   ```
     static ResolverProvider factory(Vertx vertx, AddressResolverOptions 
options) {
       try {
         if (!Boolean.getBoolean("vertx.disableDnsResolver")) {
           return new DnsResolverProvider((VertxImpl)vertx, options);
         }
       } catch (Throwable var4) {
         if (var4 instanceof VertxException) {
           throw var4;
         }
   
         Logger logger = LoggerFactory.getLogger(ResolverProvider.class);
         logger.info("Using the default address resolver as the dns resolver 
could not be loaded");
       }
   
       return new DefaultResolverProvider();
     }
   ```


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