feign请求远程接口时报Caused by: java.net.UnknownHostException

报错全文如下

feign.RetryableException: host10.local executing POST http://TIBMAS2-WEBAPI/tibmas2-webapi/api/v1.0/dept/listDeptUserByUserIds\r\n\tat feign.FeignException.errorExecuting(FeignException.java:67)\r\n\tat feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:104)\r\n\tat feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:76)\r\n\tat feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:103)\r\n\tat com.sun.proxy.$Proxy170.feignString(Unknown Source)\r\n\tat sun.reflect.GeneratedMethodAccessor96.invoke(Unknown Source)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:498)\r\n\tat org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:343)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:197)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)\r\n\tat org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88)\r\n\tat com.hyzs.gz.common.core.web.aop.ControllerLoggerAspect.doLog(ControllerLoggerAspect.java:65)\r\n\tat sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:498)\r\n\tat org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644)\r\n\tat org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633)\r\n\tat org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:174)\r\n\tat org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)\r\n\tat org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)\r\n\tat com.sun.proxy.$Proxy171.feignString(Unknown Source)\r\n\tat com.hyzs.studyonline.web.controller.TestController.testFeign(TestController.java:46)\r\n\tat com.hyzs.studyonline.web.controller.TestController$$FastClassBySpringCGLIB$$eea6a67d.invoke(<generated>)\r\n\tat org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)\r\n\tat org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:746)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)\r\n\tat org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88)\r\n\tat com.hyzs.gz.common.core.web.aop.ControllerLoggerAspect.doLog(ControllerLoggerAspect.java:65)\r\n\tat sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:498)\r\n\tat org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644)\r\n\tat org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633)\r\n\tat org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:174)\r\n\tat org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)\r\n\tat org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)\r\n\tat org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:688)\r\n\tat com.hyzs.studyonline.web.controller.TestController$$EnhancerBySpringCGLIB$$fc3460e2.testFeign(<generated>)\r\n\tat sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)\r\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\r\n\tat java.lang.reflect.Method.invoke(Method.java:498)\r\n\tat org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209)\r\n\tat org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:891)\r\n\tat org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:797)\r\n\tat org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991)\r\n\tat org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)\r\n\tat org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974)\r\n\tat org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:877)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:661)\r\n\tat org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851)\r\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:742)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:93)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)\r\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)\r\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)\r\n\tat org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)\r\n\tat org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)\r\n\tat org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)\r\n\tat org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)\r\n\tat org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)\r\n\tat org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)\r\n\tat org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)\r\n\tat org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:800)\r\n\tat org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)\r\n\tat org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:806)\r\n\tat org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)\r\n\tat org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\r\n\tat org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)\r\n\tat java.lang.Thread.run(Thread.java:748)\r\nCaused by: java.net.UnknownHostException: host10.local\r\n\tat java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)\r\n\tat java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)\r\n\tat java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)\r\n\tat java.net.Socket.connect(Socket.java:589)\r\n\tat sun.net.NetworkClient.doConnect(NetworkClient.java:175)\r\n\tat sun.net.www.http.HttpClient.openServer(HttpClient.java:463)\r\n\tat sun.net.www.http.HttpClient.openServer(HttpClient.java:558)\r\n\tat sun.net.www.http.HttpClient.<init>(HttpClient.java:242)\r\n\tat sun.net.www.http.HttpClient.New(HttpClient.java:339)\r\n\tat sun.net.www.http.HttpClient.New(HttpClient.java:357)\r\n\tat sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1220)\r\n\tat sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156)\r\n\tat sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)\r\n\tat sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)\r\n\tat sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1334)\r\n\tat sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1309)\r\n\tat feign.Client$Default.convertAndSend(Client.java:133)\r\n\tat feign.Client$Default.execute(Client.java:73)\r\n\tat org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer.execute(FeignLoadBalancer.java:89)\r\n\tat org.springframework.cloud.openfeign.ribbon.FeignLoadBalancer.execute(FeignLoadBalancer.java:55)\r\n\tat com.netflix.client.AbstractLoadBalancerAwareClient$1.call(AbstractLoadBalancerAwareClient.java:104)\r\n\tat com.netflix.loadbalancer.reactive.LoadBalancerCommand$3$1.call(LoadBalancerCommand.java:303)\r\n\tat com.netflix.loadbalancer.reactive.LoadBalancerCommand$3$1.call(LoadBalancerCommand.java:287)\r\n\tat rx.internal.util.ScalarSynchronousObservable$3.call(ScalarSynchronousObservable.java:231)\r\n\tat rx.internal.util.ScalarSynchronousObservable$3.call(ScalarSynchronousObservable.java:228)\r\n\tat rx.Observable.unsafeSubscribe(Observable.java:10327)\r\n\tat rx.internal.operators.OnSubscribeConcatMap$ConcatMapSubscriber.drain(OnSubscribeConcatMap.java:286)\r\n\tat rx.internal.operators.OnSubscribeConcatMap$ConcatMapSubscriber.onNext(OnSubscribeConcatMap.java:144)\r\n\tat com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:185)\r\n\tat com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:180)\r\n\tat rx.Observable.unsafeSubscribe(Observable.java:10327)\r\n\tat rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:94)\r\n\tat rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:42)\r\n\tat rx.Observable.unsafeSubscribe(Observable.java:10327)\r\n\tat rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber$1.call(OperatorRetryWithPredicate.java:127)\r\n\tat rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.enqueue(TrampolineScheduler.java:73)\r\n\tat rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.schedule(TrampolineScheduler.java:52)\r\n\tat rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:79)\r\n\tat rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:45)\r\n\tat rx.internal.util.ScalarSynchronousObservable$WeakSingleProducer.request(ScalarSynchronousObservable.java:276)\r\n\tat rx.Subscriber.setProducer(Subscriber.java:209)\r\n\tat rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:138)\r\n\tat rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:129)\r\n\tat rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)\r\n\tat rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)\r\n\tat rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)\r\n\tat rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)\r\n\tat rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)\r\n\tat rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)\r\n\tat rx.Observable.subscribe(Observable.java:10423)\r\n\tat rx.Observable.subscribe(Observable.java:10390)\r\n\tat rx.observables.BlockingObservable.blockForSingle(BlockingObservable.java:443)\r\n\tat rx.observables.BlockingObservable.single(BlockingObservable.java:340)\r\n\tat com.netflix.client.AbstractLoadBalancerAwareClient.executeWithLoadBalancer(AbstractLoadBalancerAwareClient.java:112)\r\n\tat org.springframework.cloud.openfeign.ribbon.LoadBalancerFeignClient.execute(LoadBalancerFeignClient.java:63)\r\n\tat feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:97)\r\n\t... 96 more\r\n"

eureka配置

eureka:
  client:
    service-url:
      defaultZone: http://172.16.8.20:8761/eureka
    register-with-eureka: true
    fetch-registry: true

需添加配置为

eureka:
  client:
    service-url:
      defaultZone: http://172.16.8.20:8761/eureka
    register-with-eureka: true
    fetch-registry: true
  instance:
    prefer-ip-address: true
即可解决