org.springframework.web.reactive.function.client.WebClientRequestException: finishConnect(..) failed: Connection refused: hydra.faforever.com/116.202.155.226:443; nested exception is io.netty.channel.AbstractChannel$AnnotatedConnectException: finishConnect(..) failed: Connection refused: hydra.faforever.com/116.202.155.226:443 at org.springframework.web.reactive.function.client.ExchangeFunctions$DefaultExchangeFunction.lambda$wrapException$9(ExchangeFunctions.java:141) Suppressed: The stacktrace has been enhanced by Reactor, refer to additional information below: Error has been observed at the following site(s): *__checkpoint ⇢ Request to POST https://hydra.faforever.com/oauth2/token [DefaultWebClient] Original Stack Trace: at org.springframework.web.reactive.function.client.ExchangeFunctions$DefaultExchangeFunction.lambda$wrapException$9(ExchangeFunctions.java:141) at reactor.core.publisher.MonoErrorSupplied.subscribe(MonoErrorSupplied.java:55) at reactor.core.publisher.Mono.subscribe(Mono.java:4400) at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:103) at reactor.core.publisher.FluxPeek$PeekSubscriber.onError(FluxPeek.java:222) at reactor.core.publisher.FluxPeek$PeekSubscriber.onError(FluxPeek.java:222) at reactor.core.publisher.FluxPeek$PeekSubscriber.onError(FluxPeek.java:222) at reactor.core.publisher.MonoNext$NextSubscriber.onError(MonoNext.java:93) at reactor.core.publisher.MonoFlatMapMany$FlatMapManyMain.onError(MonoFlatMapMany.java:204) at reactor.core.publisher.SerializedSubscriber.onError(SerializedSubscriber.java:124) at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.whenError(FluxRetryWhen.java:225) at reactor.core.publisher.FluxRetryWhen$RetryWhenOtherSubscriber.onError(FluxRetryWhen.java:274) at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:415) at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onNext(FluxConcatMap.java:251) at reactor.core.publisher.EmitterProcessor.drain(EmitterProcessor.java:491) at reactor.core.publisher.EmitterProcessor.tryEmitNext(EmitterProcessor.java:299) at reactor.core.publisher.SinkManySerialized.tryEmitNext(SinkManySerialized.java:100) at reactor.core.publisher.InternalManySink.emitNext(InternalManySink.java:27) at reactor.core.publisher.FluxRetryWhen$RetryWhenMainSubscriber.onError(FluxRetryWhen.java:190) at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:201) at reactor.netty.http.client.HttpClientConnect$MonoHttpConnect$ClientTransportSubscriber.onError(HttpClientConnect.java:307) at reactor.core.publisher.MonoCreate$DefaultMonoSink.error(MonoCreate.java:201) at reactor.netty.resources.NewConnectionProvider$DisposableConnect.onError(NewConnectionProvider.java:140) at reactor.core.publisher.MonoFlatMap$FlatMapMain.secondError(MonoFlatMap.java:192) at reactor.core.publisher.MonoFlatMap$FlatMapInner.onError(MonoFlatMap.java:259) at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:106) at reactor.core.publisher.Operators.error(Operators.java:198) at reactor.core.publisher.MonoError.subscribe(MonoError.java:53) at reactor.core.publisher.Mono.subscribe(Mono.java:4400) at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onError(FluxOnErrorResume.java:103) at reactor.netty.transport.TransportConnector$MonoChannelPromise.tryFailure(TransportConnector.java:534) at reactor.netty.transport.TransportConnector$MonoChannelPromise.setFailure(TransportConnector.java:488) at reactor.netty.transport.TransportConnector.lambda$doConnect$7(TransportConnector.java:223) at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:578) at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:571) at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:550) at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:491) at io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:616) at io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:609) at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117) at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.fulfillConnectPromise(AbstractEpollChannel.java:674) at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.finishConnect(AbstractEpollChannel.java:693) at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.epollOutReady(AbstractEpollChannel.java:567) at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:477) at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:385) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.base/java.lang.Thread.run(Thread.java:833) Caused by: io.netty.channel.AbstractChannel$AnnotatedConnectException: finishConnect(..) failed: Connection refused: hydra.faforever.com/116.202.155.226:443 Caused by: java.net.ConnectException: finishConnect(..) failed: Connection refused at io.netty.channel.unix.Errors.newConnectException0(Errors.java:155) at io.netty.channel.unix.Errors.handleConnectErrno(Errors.java:128) at io.netty.channel.unix.Socket.finishConnect(Socket.java:321) at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.doFinishConnect(AbstractEpollChannel.java:710) at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.finishConnect(AbstractEpollChannel.java:687) at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.epollOutReady(AbstractEpollChannel.java:567) at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:477) at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:385) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.base/java.lang.Thread.run(Thread.java:833)