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在transmittable-thread-local-2.12.4.jar agent 模式下与 nacos spring cloud loadbalance 偶发并发问题 #648

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@KIDOSTAS

Description

@KIDOSTAS

异常如下

[2024-05-20 16:20:35.293] ERROR tcsl (DiscoveryClientServiceInstanceListSupplier.java:119) SCM-BILL-SERVER 192.168.27.6 8686 1 - - [b1a2ad3b771f4d47b56d9ced1c22ecf8][0]Exception occurred while retrieving instances for service SCM-ARCHIVE-SERVERjava.lang.IllegalStateException: §2.12 violated: onSubscribe must be called at most once
	at reactor.core.publisher.StrictSubscriber.onSubscribe(StrictSubscriber.java:82)
	at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onSubscribe(FluxOnErrorResume.java:66)
	at reactor.core.publisher.Operators.reportThrowInSubscribe(Operators.java:224)
	at reactor.core.publisher.Mono.subscribe(Mono.java:4255)
	at reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.onSubscribe(FluxTimeout.java:148)
	at reactor.core.publisher.MonoCallable.subscribe(MonoCallable.java:49)
	at reactor.core.publisher.FluxFromMonoOperator.subscribe(FluxFromMonoOperator.java:83)
	at reactor.core.publisher.FluxDefer.subscribe(FluxDefer.java:54)
	at reactor.core.publisher.Mono.subscribe(Mono.java:4252)
	at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)
	at reactor.core.publisher.Operators.complete(Operators.java:135)
	at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)
	at reactor.core.publisher.InternalFluxOperator.subscribe(InternalFluxOperator.java:62)
	at reactor.core.publisher.FluxDefer.subscribe(FluxDefer.java:54)
	at reactor.core.publisher.Mono.subscribe(Mono.java:4252)
	at reactor.core.publisher.FluxFlatMap.trySubscribeScalarMap(FluxFlatMap.java:203)
	at reactor.core.publisher.MonoFlatMap.subscribeOrReturn(MonoFlatMap.java:53)
	at reactor.core.publisher.Mono.subscribe(Mono.java:4237)
	at reactor.core.publisher.Mono.block(Mono.java:1684)
	at org.springframework.cloud.loadbalancer.blocking.client.BlockingLoadBalancerClient.lambda$choose$0(BlockingLoadBalancerClient.java:69)
	at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
	at com.alibaba.ttl.TtlRunnable.run(TtlRunnable.java:59)
	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)

去掉ttl agent 恢复正常

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