java.lang.NoSuchMethodError: com.netflix.servo.monitor.Monitors.isObjectRegistered(Ljava/lang/String;Ljava/lang/Object;)Z at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.shutdown(RetryableEurekaHttpClient.java:92) ~[eureka-client-1.9.3.jar:1.9.3] at com.netflix.discovery.shared.transport.TransportUtils.shutdown(TransportUtils.java:40) ~[eureka-client-1.9.3.jar:1.9.3] at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:70) ~[eureka-client-1.9.3.jar:1.9.3] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89) ~[eureka-client-1.9.3.jar:1.9.3] at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:846) ~[eureka-client-1.9.3.jar:1.9.3] at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1399) ~[eureka-client-1.9.3.jar:1.9.3] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:835) ~[na:na]
Eureka注册中心对熔断器的依赖问题，添加熔断器的依赖就可以解决了
org.springframework.cloud spring-cloud-starter-netflix-hystrix
希望有帮助
