2018-09-07 09:53:34.107 WARN 852 --- [l-1 housekeeper] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Thread starvation or clock leap detected (housekeeper delta=7m8s485ms).
2018-09-07 09:54:09.093 WARN 852 --- [scoveryClient-1] c.netflix.discovery.TimedSupervisorTask : task supervisor timed out
java.util.concurrent.TimeoutException: null
at java.util.concurrent.FutureTask.get(FutureTask.java:205) [na:1.8.0_151]
at com.netflix.discovery.TimedSupervisorTask.run(TimedSupervisorTask.java:64) ~[eureka-client-1.9.3.jar:1.9.3]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_151]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_151]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_151]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.8.0_151]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_151]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_151]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_151]
2018-09-07 10:32:42.780 WARN 852 --- [freshExecutor-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: null
2018-09-07 10:32:42.785 ERROR 852 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_ORDER/192.168.12.123:order:8763 - was unable to refresh its cache! status = Cannot execute request on any known server
com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server
at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getDelta(EurekaHttpClientDecorator.java:149) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$7.execute(EurekaHttpClientDecorator.java:152) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getDelta(EurekaHttpClientDecorator.java:149) ~[eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.DiscoveryClient.getAndUpdateDelta(DiscoveryClient.java:1085) [eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:967) [eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.DiscoveryClient.refreshRegistry(DiscoveryClient.java:1473) [eureka-client-1.9.3.jar:1.9.3]
at com.netflix.discovery.DiscoveryClient$CacheRefreshThread.run(DiscoveryClient.java:1440) [eureka-client-1.9.3.jar:1.9.3]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_151]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_151]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_151]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_151]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_151]
我建立了一个尤里卡和一个客户。客户服务已在Eureka上注册，一切正常。但是我总是在控制台中看到日志。
尽管这对服务本身没有影响，但我想知道为什么会发生这种情况。
springcloud版本是Finchley.SR1