tswc1989 opened a new issue, #5575:
URL: https://github.com/apache/shenyu/issues/5575
### Question
### Use Shenyu V2.6.1 to enable Hystrix. When the isolation mode is
semaphore, it is normal. When the isolation mode is thread, the error is as
follows:
```
2024-05-31 15:27:40 [parallel-8] ERROR
org.apache.shenyu.plugin.httpclient.AbstractHttpClientPlugin - Response took
longer than timeout: PT3S
java.util.concurrent.TimeoutException: Response took longer than timeout:
PT3S
at
org.apache.shenyu.plugin.httpclient.AbstractHttpClientPlugin.lambda$execute$1(AbstractHttpClientPlugin.java:86)
at
reactor.core.publisher.MonoErrorSupplied.subscribe(MonoErrorSupplied.java:55)
at reactor.core.publisher.Mono.subscribe(Mono.java:4490)
at
reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.handleTimeout(FluxTimeout.java:301)
at
reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.doTimeout(FluxTimeout.java:280)
at
reactor.core.publisher.FluxTimeout$TimeoutTimeoutSubscriber.onNext(FluxTimeout.java:419)
at
reactor.core.publisher.FluxOnErrorReturn$ReturnSubscriber.onNext(FluxOnErrorReturn.java:162)
at
reactor.core.publisher.MonoDelay$MonoDelayRunnable.propagateDelay(MonoDelay.java:271)
at
reactor.core.publisher.MonoDelay$MonoDelayRunnable.run(MonoDelay.java:286)
at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:68)
at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:28)
at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
at java.util.concurrent.FutureTask.run(FutureTask.java)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
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)
2024-05-31 15:27:40 [hystrix-user2-4] ERROR
org.apache.shenyu.plugin.hystrix.command.HystrixCommandOnThread - hystrix
execute have error:
org.springframework.web.server.ResponseStatusException: 408 REQUEST_TIMEOUT
"Request timeout, the maximum number of retry times has been exceeded"; nested
exception is
org.apache.shenyu.plugin.httpclient.exception.ShenyuTimeoutException: Request
timeout, the maximum number of retry times has been exceeded
at
org.apache.shenyu.plugin.httpclient.AbstractHttpClientPlugin.lambda$execute$5(AbstractHttpClientPlugin.java:100)
at reactor.core.publisher.Mono.lambda$onErrorMap$30(Mono.java:3797)
at reactor.core.publisher.Mono.lambda$onErrorResume$32(Mono.java:3887)
at
reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:94)
at
reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124)
at
reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.whenError(FluxRetryWhen.java:225)
at
reactor.core.publisher.FluxRetryWhen$RetryWhenOtherSubscriber.onError(FluxRetryWhen.java:274)
at
reactor.core.publisher.FluxContextWrite$ContextWriteSubscriber.onError(FluxContextWrite.java:121)
at
reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:383)
at
reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onNext(FluxConcatMap.java:251)
at
reactor.core.publisher.FluxContextWrite$ContextWriteSubscriber.onNext(FluxContextWrite.java:107)
at
reactor.core.publisher.EmitterProcessor.drain(EmitterProcessor.java:537)
at
reactor.core.publisher.EmitterProcessor.tryEmitNext(EmitterProcessor.java:343)
at
reactor.core.publisher.SinkManySerialized.tryEmitNext(SinkManySerialized.java:100)
at
reactor.core.publisher.InternalManySink.emitNext(InternalManySink.java:27)
at
reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onError(FluxRetryWhen.java:190)
at
reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onError(MonoPeekTerminal.java:258)
at
reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124)
at
reactor.core.publisher.FluxTimeout$TimeoutOtherSubscriber.onError(FluxTimeout.java:341)
at reactor.core.publisher.Operators.error(Operators.java:198)
at
reactor.core.publisher.MonoErrorSupplied.subscribe(MonoErrorSupplied.java:56)
at reactor.core.publisher.Mono.subscribe(Mono.java:4490)
at
reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.handleTimeout(FluxTimeout.java:301)
at
reactor.core.publisher.FluxTimeout$TimeoutMainSubscriber.doTimeout(FluxTimeout.java:280)
at
reactor.core.publisher.FluxTimeout$TimeoutTimeoutSubscriber.onNext(FluxTimeout.java:419)
at
reactor.core.publisher.FluxOnErrorReturn$ReturnSubscriber.onNext(FluxOnErrorReturn.java:162)
at
reactor.core.publisher.MonoDelay$MonoDelayRunnable.propagateDelay(MonoDelay.java:271)
at
reactor.core.publisher.MonoDelay$MonoDelayRunnable.run(MonoDelay.java:286)
at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:68)
at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:28)
at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266)
at java.util.concurrent.FutureTask.run(FutureTask.java)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by:
org.apache.shenyu.plugin.httpclient.exception.ShenyuTimeoutException: Request
timeout, the maximum number of retry times has been exceeded
at
org.apache.shenyu.plugin.httpclient.AbstractHttpClientPlugin.lambda$execute$4(AbstractHttpClientPlugin.java:97)
at
reactor.util.retry.RetryBackoffSpec.lambda$null$4(RetryBackoffSpec.java:560)
at
reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:376)
... 28 common frames omitted
```
**The configuration of semaphore is as follows:**
<img width="497" alt="semaphore"
src="https://github.com/apache/shenyu/assets/10447810/db218bab-c313-4912-9ce8-1b950490f708";>
**The thread configuration is as follows:**
<img width="495" alt="thread"
src="https://github.com/apache/shenyu/assets/10447810/366b040d-7953-41c8-895e-7d6a102b9257";>
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