ZuulException: Forwarding error java.net.UnknownHostException: DESKTOP-QBA1AHC:

淩亂°似流年 2022-05-21 08:15 110阅读 0赞

在调试Spring Cloud Zuul的时候， 开发环境微服务配置了2台，一台本地，一台被人的电脑，做测试，发现一会调的通，一会儿调试不同，报错：

com.netflix.zuul.exception.ZuulException: Forwarding error
    	at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.handleException(RibbonRoutingFilter.java:188)
    	at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.forward(RibbonRoutingFilter.java:163)
    	at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.run(RibbonRoutingFilter.java:111)
    	at com.netflix.zuul.ZuulFilter.runFilter(ZuulFilter.java:112)
    	at com.netflix.zuul.FilterProcessor.processZuulFilter(FilterProcessor.java:193)
    	at com.netflix.zuul.FilterProcessor.runFilters(FilterProcessor.java:157)
    	at com.netflix.zuul.FilterProcessor.route(FilterProcessor.java:118)
    	at com.netflix.zuul.ZuulRunner.route(ZuulRunner.java:96)
    	at com.netflix.zuul.http.ZuulServlet.route(ZuulServlet.java:116)
    	at com.netflix.zuul.http.ZuulServlet.service(ZuulServlet.java:81)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:96)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:111)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
    	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198)
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
    	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)
    	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
    	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
    	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)
    	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    	at java.lang.Thread.run(Thread.java:745)
    Caused by: com.netflix.client.ClientException: null
    	at com.netflix.client.AbstractLoadBalancerAwareClient.executeWithLoadBalancer(AbstractLoadBalancerAwareClient.java:118)
    	at org.springframework.cloud.netflix.zuul.filters.route.support.AbstractRibbonCommand.run(AbstractRibbonCommand.java:187)
    	at org.springframework.cloud.netflix.zuul.filters.route.support.AbstractRibbonCommand.run(AbstractRibbonCommand.java:52)
    	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)
    	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:10151)
    	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.Observable.unsafeSubscribe(Observable.java:10151)
    	at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41)
    	at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30)
    	at rx.Observable.unsafeSubscribe(Observable.java:10151)
    	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:10151)
    	at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41)
    	at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30)
    	at rx.Observable.unsafeSubscribe(Observable.java:10151)
    	at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41)
    	at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30)
    	at rx.Observable.unsafeSubscribe(Observable.java:10151)
    	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:10151)
    	at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:51)
    	at rx.internal.operators.OnSubscribeDefer.call(OnSubscribeDefer.java:35)
    	at rx.Observable.unsafeSubscribe(Observable.java:10151)
    	at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48)
    	at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33)
    	at rx.Observable.unsafeSubscribe(Observable.java:10151)
    	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:10151)
    	at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:41)
    	at rx.internal.operators.OnSubscribeDoOnEach.call(OnSubscribeDoOnEach.java:30)
    	at rx.Observable.unsafeSubscribe(Observable.java:10151)
    	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.Observable.subscribe(Observable.java:10247)
    	at rx.Observable.subscribe(Observable.java:10214)
    	at rx.internal.operators.BlockingOperatorToFuture.toFuture(BlockingOperatorToFuture.java:51)
    	at rx.observables.BlockingObservable.toFuture(BlockingObservable.java:411)
    	at com.netflix.hystrix.HystrixCommand.queue(HystrixCommand.java:378)
    	at com.netflix.hystrix.HystrixCommand.execute(HystrixCommand.java:344)
    	at org.springframework.cloud.netflix.zuul.filters.route.RibbonRoutingFilter.forward(RibbonRoutingFilter.java:158)
    	... 61 common frames omitted
    Caused by: java.lang.RuntimeException: java.net.UnknownHostException: DESKTOP-QBA1AHC: unknown error
    	at rx.exceptions.Exceptions.propagate(Exceptions.java:58)
    	at rx.observables.BlockingObservable.blockForSingle(BlockingObservable.java:464)
    	at rx.observables.BlockingObservable.single(BlockingObservable.java:341)
    	at com.netflix.client.AbstractLoadBalancerAwareClient.executeWithLoadBalancer(AbstractLoadBalancerAwareClient.java:112)
    	... 123 common frames omitted
    Caused by: java.net.UnknownHostException: DESKTOP-QBA1AHC: unknown error
    	at java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
    	at java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
    	at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
    	at java.net.InetAddress.getAllByName0(InetAddress.java:1276)
    	at java.net.InetAddress.getAllByName(InetAddress.java:1192)
    	at java.net.InetAddress.getAllByName(InetAddress.java:1126)
    	at org.apache.http.impl.conn.SystemDefaultDnsResolver.resolve(SystemDefaultDnsResolver.java:45)
    	at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:112)
    	at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:373)
    	at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:381)
    	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
    	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
    	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
    	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
    	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
    	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
    	at org.springframework.cloud.netflix.ribbon.apache.RibbonLoadBalancingHttpClient.execute(RibbonLoadBalancingHttpClient.java:82)
    	at org.springframework.cloud.netflix.ribbon.apache.RibbonLoadBalancingHttpClient.execute(RibbonLoadBalancingHttpClient.java:42)
    	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$3.call(ScalarSynchronousObservable.java:228)
    	at rx.Observable.unsafeSubscribe(Observable.java:10151)
    	at rx.internal.operators.OnSubscribeConcatMap$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$1.call(LoadBalancerCommand.java:180)
    	at rx.Observable.unsafeSubscribe(Observable.java:10151)
    	at rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:94)
    	at rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:42)
    	at rx.Observable.unsafeSubscribe(Observable.java:10151)
    	at rx.internal.operators.OperatorRetryWithPredicate$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:10247)
    	at rx.Observable.subscribe(Observable.java:10214)
    	at rx.observables.BlockingObservable.blockForSingle(BlockingObservable.java:444)
    	... 125 common frames omitted

后来发现“DESKTOP-QBA1AHC“这个是另一台服务器的名字，理论上应该是访问IP，于是加入配置：

eureka.instance.prefer-ip-address=true