reactor-stacktrace.log

java.net.UnknownHostException: customerservice: Name or service not known
	at java.net.Inet4AddressImpl.lookupAllHostAddr(Native Method) ~[na:1.8.0_252]
	Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException:
Assembly trace from producer [reactor.core.publisher.MonoLift] :
	reactor.core.publisher.Mono.create
	reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator.connectChannel(PooledConnectionProvider.java:219)
Error has been observed at the following site(s):
	|_            Mono.create ⇢ at reactor.netty.resources.PooledConnectionProvider$PooledConnectionAllocator.connectChannel(PooledConnectionProvider.java:219)
	|_              Mono.from ⇢ at reactor.netty.internal.shaded.reactor.pool.PoolBuilder.from(PoolBuilder.java:59)
	|_                        ⇢ at reactor.netty.internal.shaded.reactor.pool.DefaultPoolConfig.allocator(DefaultPoolConfig.java:100)
	|_                        ⇢ at reactor.netty.internal.shaded.reactor.pool.SimplePool.acquire(SimplePool.java:121)
	|_            Mono.create ⇢ at reactor.netty.resources.PooledConnectionProvider.acquire(PooledConnectionProvider.java:128)
	|_                        ⇢ at reactor.netty.tcp.TcpResources.acquire(TcpResources.java:208)
	|_                        ⇢ at reactor.netty.tcp.TcpClientConnect.connect(TcpClientConnect.java:51)
	|_                        ⇢ at reactor.netty.tcp.TcpClientOperator.connect(TcpClientOperator.java:43)
	|_            Mono.create ⇢ at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect.subscribe(HttpClientConnect.java:285)
	|_             Mono.retry ⇢ at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect.subscribe(HttpClientConnect.java:322)
	|_                        ⇢ at reactor.netty.tcp.TcpClientOperator.connect(TcpClientOperator.java:43)
	|_                        ⇢ at reactor.netty.tcp.TcpClientOperator.connect(TcpClientOperator.java:43)
	|_                        ⇢ at reactor.netty.tcp.TcpClientOperator.connect(TcpClientOperator.java:43)
	|_                        ⇢ at reactor.netty.tcp.TcpClientOperator.connect(TcpClientOperator.java:43)
	|_                        ⇢ at reactor.netty.tcp.TcpClientOperator.connect(TcpClientOperator.java:43)
	|_                        ⇢ at reactor.netty.http.client.HttpClientFinalizer.connect(HttpClientFinalizer.java:68)
	|_       Mono.flatMapMany ⇢ at reactor.netty.http.client.HttpClientFinalizer.responseConnection(HttpClientFinalizer.java:85)
	|_              Flux.next ⇢ at org.springframework.http.client.reactive.ReactorClientHttpConnector.connect(ReactorClientHttpConnector.java:112)
	|_       Mono.doOnRequest ⇢ at org.springframework.web.reactive.function.client.ExchangeFunctions$DefaultExchangeFunction.exchange(ExchangeFunctions.java:105)
	|_        Mono.doOnCancel ⇢ at org.springframework.web.reactive.function.client.ExchangeFunctions$DefaultExchangeFunction.exchange(ExchangeFunctions.java:106)
	|_               Mono.map ⇢ at org.springframework.web.reactive.function.client.ExchangeFunctions$DefaultExchangeFunction.exchange(ExchangeFunctions.java:107)
	|_                        ⇢ at org.springframework.cloud.sleuth.instrument.web.client.TraceExchangeFilterFunction.filter(TraceWebClientBeanPostProcessor.java:143)
	|_                        ⇢ at org.springframework.web.reactive.function.client.ExchangeFilterFunction.lambda$apply$2(ExchangeFilterFunction.java:68)
	|_             checkpoint ⇢ Request to GET http://customerservice:8080/customers/1 [DefaultWebClient]
	|_     Mono.switchIfEmpty ⇢ at org.springframework.web.reactive.function.client.DefaultWebClient$DefaultRequestBodyUriSpec.lambda$exchange$0(DefaultWebClient.java:340)
	|_             Mono.defer ⇢ at org.springframework.web.reactive.function.client.DefaultWebClient$DefaultRequestBodyUriSpec.exchange(DefaultWebClient.java:338)
	|_           Mono.flatMap ⇢ at io.eventuate.examples.tram.sagas.ordersandcustomers.apigateway.proxies.CustomerServiceProxy.findCustomerById(CustomerServiceProxy.java:36)
	|_           Mono.timeout ⇢ at io.github.resilience4j.reactor.timelimiter.TimeLimiterOperator.withTimeout(TimeLimiterOperator.java:64)
	|_          Mono.doOnNext ⇢ at io.github.resilience4j.reactor.timelimiter.TimeLimiterOperator.withTimeout(TimeLimiterOperator.java:65)
	|_       Mono.doOnSuccess ⇢ at io.github.resilience4j.reactor.timelimiter.TimeLimiterOperator.withTimeout(TimeLimiterOperator.java:66)
	|_         Mono.doOnError ⇢ at io.github.resilience4j.reactor.timelimiter.TimeLimiterOperator.withTimeout(TimeLimiterOperator.java:67)
	|_ Mono.transformDeferred ⇢ at io.eventuate.examples.tram.sagas.ordersandcustomers.apigateway.proxies.CustomerServiceProxy.findCustomerById(CustomerServiceProxy.java:47)
	|_ Mono.transformDeferred ⇢ at io.eventuate.examples.tram.sagas.ordersandcustomers.apigateway.proxies.CustomerServiceProxy.findCustomerById(CustomerServiceProxy.java:48)
	|_               Mono.zip ⇢ at io.eventuate.examples.tram.sagas.ordersandcustomers.apigateway.customers.OrderHistoryHandlers.getOrderHistory(OrderHistoryHandlers.java:36)
	|_               Mono.map ⇢ at io.eventuate.examples.tram.sagas.ordersandcustomers.apigateway.customers.OrderHistoryHandlers.getOrderHistory(OrderHistoryHandlers.java:37)
	|_           Mono.flatMap ⇢ at io.eventuate.examples.tram.sagas.ordersandcustomers.apigateway.customers.OrderHistoryHandlers.getOrderHistory(OrderHistoryHandlers.java:42)
	|_               Mono.map ⇢ at org.springframework.web.reactive.function.server.support.HandlerFunctionAdapter.handle(HandlerFunctionAdapter.java:62)