Spring cloud报错com.netflix.hystrix.exception.HystrixRuntimeException

现象

生产环境，接口调用失败
feign客户端接口访问超时
查看服务正常，没有报错日志
仔细看了下，没有日志，应该是请求没有到达feign服务提供者
部分日志如下：

com.netflix.hystrix.exception.HystrixRuntimeException: IMsgSubmitPersonSynServiceClient#getMsgSubmitPerson(MsgSubmitPersonSynVO) failed and fallback failed.at com.netflix.hystrix.AbstractCommand$22.call(AbstractCommand.java:832)at com.netflix.hystrix.AbstractCommand$22.call(AbstractCommand.java:807)at rx.internal.operators.OperatorOnErrorResumeNextViaFunction$4.onError(OperatorOnErrorResumeNextViaFunction.java:140)at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87)at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87)at com.netflix.hystrix.AbstractCommand$DeprecatedOnFallbackHookApplication$1.onError(AbstractCommand.java:1472)at com.netflix.hystrix.AbstractCommand$FallbackHookApplication$1.onError(AbstractCommand.java:1397)at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87)at rx.observers.Subscribers$5.onError(Subscribers.java:230)at rx.internal.operators.OnSubscribeThrow.call(OnSubscribeThrow.java:44)at rx.internal.operators.OnSubscribeThrow.call(OnSubscribeThrow.java:28)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51)at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OperatorOnErrorResumeNextViaFunction$4.onError(OperatorOnErrorResumeNextViaFunction.java:142)at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87)at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87)at com.netflix.hystrix.AbstractCommand$HystrixObservableTimeoutOperator$3.onError(AbstractCommand.java:1194)at rx.internal.operators.OperatorSubscribeOn$SubscribeOnSubscriber.onError(OperatorSubscribeOn.java:80)at rx.observers.Subscribers$5.onError(Subscribers.java:230)at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onError(OnSubscribeDoOnEach.java:87)at rx.observers.Subscribers$5.onError(Subscribers.java:230)at com.netflix.hystrix.AbstractCommand$DeprecatedOnRunHookApplication$1.onError(AbstractCommand.java:1431)at com.netflix.hystrix.AbstractCommand$ExecutionHookApplication$1.onError(AbstractCommand.java:1362)at rx.observers.Subscribers$5.onError(Subscribers.java:230)at rx.observers.Subscribers$5.onError(Subscribers.java:230)at rx.internal.operators.OnSubscribeThrow.call(OnSubscribeThrow.java:44)at rx.internal.operators.OnSubscribeThrow.call(OnSubscribeThrow.java:28)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51)at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51)at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41)at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OperatorSubscribeOn$SubscribeOnSubscriber.call(OperatorSubscribeOn.java:100)at com.netflix.hystrix.strategy.concurrency.HystrixContexSchedulerAction$1.call(HystrixContexSchedulerAction.java:56)at com.netflix.hystrix.strategy.concurrency.HystrixContexSchedulerAction$1.call(HystrixContexSchedulerAction.java:47)at com.netflix.hystrix.strategy.concurrency.HystrixContexSchedulerAction.call(HystrixContexSchedulerAction.java:69)at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)at java.util.concurrent.FutureTask.run(FutureTask.java:266)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at java.lang.Thread.run(Thread.java:748)
Caused by: feign.RetryableException: 拒绝连接 (Connection refused) executing POST http://center-platform/api/msgSubmit/getMsgSubmitPerson?dataFlag=1at feign.FeignException.errorExecuting(FeignException.java:65)at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:105)at feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:77)at feign.hystrix.HystrixInvocationHandler$1.run(HystrixInvocationHandler.java:107)at com.netflix.hystrix.HystrixCommand$2.call(HystrixCommand.java:302)at com.netflix.hystrix.HystrixCommand$2.call(HystrixCommand.java:298)at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:46)... 26 more
Caused by: java.net.ConnectException: 拒绝连接 (Connection refused)at java.net.PlainSocketImpl.socketConnect(Native Method)at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)at java.net.Socket.connect(Socket.java:589)at sun.net.NetworkClient.doConnect(NetworkClient.java:175)at sun.net.www.http.HttpClient.openServer(HttpClient.java:463)at sun.net.www.http.HttpClient.openServer(HttpClient.java:558)at sun.net.www.http.HttpClient.<init>(HttpClient.java:242)at sun.net.www.http.HttpClient.New(HttpClient.java:339)at sun.net.www.http.HttpClient.New(HttpClient.java:357)at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)at feign.Client$Default.convertAndSend(Client.java:131)at feign.Client$Default.execute(Client.java:71)at org.springframework.cloud.openfeign.ribbon.RetryableFeignLoadBalancer$1.doWithRetry(RetryableFeignLoadBalancer.java:103)at org.springframework.cloud.openfeign.ribbon.RetryableFeignLoadBalancer$1.doWithRetry(RetryableFeignLoadBalancer.java:88)at org.springframework.retry.support.RetryTemplate.doExecute(RetryTemplate.java:287)at org.springframework.retry.support.RetryTemplate.execute(RetryTemplate.java:180)at org.springframework.cloud.openfeign.ribbon.RetryableFeignLoadBalancer.execute(RetryableFeignLoadBalancer.java:88)at org.springframework.cloud.openfeign.ribbon.RetryableFeignLoadBalancer.execute(RetryableFeignLoadBalancer.java:54)at com.netflix.client.AbstractLoadBalancerAwareClient$1.call(AbstractLoadBalancerAwareClient.java:104)at com.netflix.loadbalancer.reactive.LoadBalancerCommand$3$1.call(LoadBalancerCommand.java:303)at com.netflix.loadbalancer.reactive.LoadBalancerCommand$3$1.call(LoadBalancerCommand.java:287)at rx.internal.util.ScalarSynchronousObservable$3.call(ScalarSynchronousObservable.java:231)at rx.internal.util.ScalarSynchronousObservable$3.call(ScalarSynchronousObservable.java:228)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeConcatMap$ConcatMapSubscriber.drain(OnSubscribeConcatMap.java:286)at rx.internal.operators.OnSubscribeConcatMap$ConcatMapSubscriber.onNext(OnSubscribeConcatMap.java:144)at com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:185)at com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:180)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:94)at rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:42)at rx.Observable.unsafeSubscribe(Observable.java:10327)at rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber$1.call(OperatorRetryWithPredicate.java:127)at rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.enqueue(TrampolineScheduler.java:73)at rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.schedule(TrampolineScheduler.java:52)at rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:79)at rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:45)at rx.internal.util.ScalarSynchronousObservable$WeakSingleProducer.request(ScalarSynchronousObservable.java:276)at rx.Subscriber.setProducer(Subscriber.java:209)at rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:138)at rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:129)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)at rx.Observable.subscribe(Observable.java:10423)at rx.Observable.subscribe(Observable.java:10390)at rx.observables.BlockingObservable.blockForSingle(BlockingObservable.java:443)at rx.observables.BlockingObservable.single(BlockingObservable.java:340)at com.netflix.client.AbstractLoadBalancerAwareClient.executeWithLoadBalancer(AbstractLoadBalancerAwareClient.java:112)at org.springframework.cloud.openfeign.ribbon.LoadBalancerFeignClient.execute(LoadBalancerFeignClient.java:63)at feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:98)... 31 more

原因

有人偷懒，没有本地启动Eureka注册中心，连上了线上的注册中心
注册中心没有及时把不可用的服务节点降级移除
Eureka自我保护机制，我们使用的是默认打开模式，不移除不可用节点

解决

目前是重启了注册中心，服务已恢复正常
告诫组员，不要连线上的注册中心，自己本地调试可以本地启动，或者测试环境。使用完后，要处理下。
Eureka自我保护机制启用问题，需要修改配置。考虑到生产环境，暂时不启用移除。

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Spring cloud报错com.netflix.hystrix.exception.HystrixRuntimeException

现象

原因

解决

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