HTTP

feign调用微服务B的时候#xff0c;把微服务B关了#…Feign

HTTP

feign调用微服务B的时候把微服务B关了可是调用的时候不会走fallback降级方法。

直接报错

2024-09-28

c.d.d.j.e.h.i.DefaultJobExceptionHandler

Job

processingjava.lang.RuntimeException:

com.netflix.client.ClientException:

Load

org.springframework.cloud.openfeign.ribbon.LoadBalancerFeignClient.execute(LoadBalancerFeignClient.java:90)

~[spring-cloud-openfeign-core-2.2.5.RELEASE.jar:2.2.5.RELEASE]at

feign.SynchronousMethodHandler.executeAndDecode(SynchronousMethodHandler.java:119)

feign.SynchronousMethodHandler.invoke(SynchronousMethodHandler.java:89)

feign.ReflectiveFeign$FeignInvocationHandler.invoke(ReflectiveFeign.java:100)

com.sun.proxy.$Proxy76.queryByTimeForJob(Unknown

Source)

cn.dscode.job.InitSeckillProductJob.execute(InitSeckillProductJob.java:38)

~[classes/:na]at

com.dangdang.ddframe.job.executor.type.SimpleJobExecutor.process(SimpleJobExecutor.java:41)

~[elastic-job-common-core-2.1.5.jar:na]at

com.dangdang.ddframe.job.executor.AbstractElasticJobExecutor.process(AbstractElasticJobExecutor.java:206)

[elastic-job-common-core-2.1.5.jar:na]at

com.dangdang.ddframe.job.executor.AbstractElasticJobExecutor.access$000(AbstractElasticJobExecutor.java:47)

[elastic-job-common-core-2.1.5.jar:na]at

com.dangdang.ddframe.job.executor.AbstractElasticJobExecutor$1.run(AbstractElasticJobExecutor.java:185)

[elastic-job-common-core-2.1.5.jar:na]at

java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

[na:1.8.0_422]at

java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)

[na:1.8.0_422]at

java.util.concurrent.FutureTask.run(FutureTask.java)

[na:1.8.0_422]at

java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

[na:1.8.0_422]at

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

[na:1.8.0_422]at

java.lang.Thread.run(Thread.java:750)

[na:1.8.0_422]

com.netflix.client.ClientException:

Load

com.netflix.loadbalancer.LoadBalancerContext.getServerFromLoadBalancer(LoadBalancerContext.java:483)

~[ribbon-loadbalancer-2.3.0.jar:2.3.0]at

com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:184)

~[ribbon-loadbalancer-2.3.0.jar:2.3.0]at

com.netflix.loadbalancer.reactive.LoadBalancerCommand$1.call(LoadBalancerCommand.java:180)

~[ribbon-loadbalancer-2.3.0.jar:2.3.0]at

rx.Observable.unsafeSubscribe(Observable.java:10327)

rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:94)

rx.internal.operators.OnSubscribeConcatMap.call(OnSubscribeConcatMap.java:42)

rx.Observable.unsafeSubscribe(Observable.java:10327)

rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber$1.call(OperatorRetryWithPredicate.java:127)

rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.enqueue(TrampolineScheduler.java:73)

rx.internal.schedulers.TrampolineScheduler$InnerCurrentThreadScheduler.schedule(TrampolineScheduler.java:52)

rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:79)

rx.internal.operators.OperatorRetryWithPredicate$SourceSubscriber.onNext(OperatorRetryWithPredicate.java:45)

rx.internal.util.ScalarSynchronousObservable$WeakSingleProducer.request(ScalarSynchronousObservable.java:276)

rx.Subscriber.setProducer(Subscriber.java:209)

rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:138)

rx.internal.util.ScalarSynchronousObservable$JustOnSubscribe.call(ScalarSynchronousObservable.java:129)

rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)

rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)

rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)

rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)

rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)

rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)

rx.Observable.subscribe(Observable.java:10423)

rx.Observable.subscribe(Observable.java:10390)

rx.observables.BlockingObservable.blockForSingle(BlockingObservable.java:443)

rx.observables.BlockingObservable.single(BlockingObservable.java:340)

com.netflix.client.AbstractLoadBalancerAwareClient.executeWithLoadBalancer(AbstractLoadBalancerAwareClient.java:112)

~[ribbon-loadbalancer-2.3.0.jar:2.3.0]at

org.springframework.cloud.openfeign.ribbon.LoadBalancerFeignClient.execute(LoadBalancerFeignClient.java:83)

~[spring-cloud-openfeign-core-2.2.5.RELEASE.jar:2.2.5.RELEASE]...

common

omitted配置文件已经开启了Feign与Sentinel的集成启用熔断降级

服务A使用Feign去调用另一个服务B

dependencygroupIdcom.alibaba.cloud/groupIdartifactIdspring-cloud-starter-alibaba-sentinel/artifactId

/dependency