onErrorDropped:java.lang.NullPointerException
	at org.apache.tomcat.util.http.NamesEnumerator.findNext(MimeHeaders.java:434)
	at org.apache.tomcat.util.http.NamesEnumerator.nextElement(MimeHeaders.java:458)
	at org.apache.tomcat.util.http.NamesEnumerator.nextElement(MimeHeaders.java:416)
	at org.springframework.http.server.reactive.TomcatHeadersAdapter$EntryIterator.next(TomcatHeadersAdapter.java:216)
	at org.springframework.http.server.reactive.TomcatHeadersAdapter$EntryIterator.next(TomcatHeadersAdapter.java:205)
	at java.util.Iterator.forEachRemaining(Iterator.java:116)
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
	at org.springframework.http.ReadOnlyHttpHeaders.entrySet(ReadOnlyHttpHeaders.java:129)
	at java.util.HashMap.putMapEntries(HashMap.java:512)
	at java.util.LinkedHashMap.<init>(LinkedHashMap.java:384)
	at org.springframework.boot.actuate.web.trace.reactive.TraceableServerHttpResponse.getHeaders(TraceableServerHttpResponse.java:47)
	at org.springframework.boot.actuate.trace.http.HttpExchangeTracer.getHeadersIfIncluded(HttpExchangeTracer.java:132)
	at org.springframework.boot.actuate.trace.http.HttpExchangeTracer.access$200(HttpExchangeTracer.java:47)
	at org.springframework.boot.actuate.trace.http.HttpExchangeTracer$FilteredTraceableResponse.getHeaders(HttpExchangeTracer.java:226)
	at org.springframework.boot.actuate.trace.http.HttpTrace$Response.<init>(HttpTrace.java:215)
	at org.springframework.boot.actuate.trace.http.HttpExchangeTracer.sendingResponse(HttpExchangeTracer.java:90)
	at org.springframework.boot.actuate.web.trace.reactive.HttpTraceWebFilter.lambda$filter$3(HttpTraceWebFilter.java:103)
	at reactor.core.publisher.MonoPeekTerminal$MonoTerminalPeekSubscriber.onComplete(MonoPeekTerminal.java:325)
	at reactor.core.publisher.MonoFlatMap$FlatMapMain.secondComplete(MonoFlatMap.java:189)
	at reactor.core.publisher.MonoFlatMap$FlatMapInner.onComplete(MonoFlatMap.java:260)
	at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.onComplete(Operators.java:1742)
	at reactor.core.publisher.MonoFlatMap$FlatMapMain.secondComplete(MonoFlatMap.java:189)
	at reactor.core.publisher.MonoFlatMap$FlatMapInner.onComplete(MonoFlatMap.java:260)
	at reactor.core.publisher.MonoFlatMap$FlatMapMain.secondComplete(MonoFlatMap.java:189)
	at reactor.core.publisher.MonoFlatMap$FlatMapInner.onComplete(MonoFlatMap.java:260)
	at reactor.core.publisher.FluxPeek$PeekSubscriber.onComplete(FluxPeek.java:252)
	at org.springframework.http.server.reactive.ChannelSendOperator$WriteCompletionBarrier.onComplete(ChannelSendOperator.java:378)
	at reactor.core.publisher.MonoIgnoreElements$IgnoreElementsSubscriber.onComplete(MonoIgnoreElements.java:81)
	at reactor.core.publisher.FluxConcatIterable$ConcatIterableSubscriber.onComplete(FluxConcatIterable.java:120)
	at reactor.core.publisher.MonoNext$NextSubscriber.onComplete(MonoNext.java:96)
	at org.springframework.http.server.reactive.WriteResultPublisher$State.publishComplete(WriteResultPublisher.java:244)
	at org.springframework.http.server.reactive.WriteResultPublisher.publishComplete(WriteResultPublisher.java:84)
	at org.springframework.http.server.reactive.AbstractListenerWriteFlushProcessor$State$3.writeComplete(AbstractListenerWriteFlushProcessor.java:291)
	at org.springframework.http.server.reactive.AbstractListenerWriteFlushProcessor$State$WriteResultSubscriber.onComplete(AbstractListenerWriteFlushProcessor.java:415)
	at org.springframework.http.server.reactive.WriteResultPublisher$State.publishComplete(WriteResultPublisher.java:244)
	at org.springframework.http.server.reactive.WriteResultPublisher.publishComplete(WriteResultPublisher.java:84)
	at org.springframework.http.server.reactive.AbstractListenerWriteProcessor.changeStateToComplete(AbstractListenerWriteProcessor.java:269)
	at org.springframework.http.server.reactive.AbstractListenerWriteProcessor.access$400(AbstractListenerWriteProcessor.java:45)
	at org.springframework.http.server.reactive.AbstractListenerWriteProcessor$State$2.onComplete(AbstractListenerWriteProcessor.java:341)
	at org.springframework.http.server.reactive.AbstractListenerWriteProcessor.onComplete(AbstractListenerWriteProcessor.java:131)
	at org.springframework.http.server.reactive.ChannelSendOperator$WriteBarrier.onComplete(ChannelSendOperator.java:221)
	at reactor.core.publisher.FluxJust$WeakScalarSubscription.request(FluxJust.java:101)
	at org.springframework.http.server.reactive.ChannelSendOperator$WriteBarrier.onSubscribe(ChannelSendOperator.java:164)
	at reactor.core.publisher.FluxJust.subscribe(FluxJust.java:70)
	at org.springframework.http.server.reactive.ChannelSendOperator.subscribe(ChannelSendOperator.java:75)
	at reactor.core.publisher.MonoPeek.subscribe(MonoPeek.java:71)
	at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:150)
	at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)
	at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:121)
	at reactor.core.publisher.Operators$ScalarSubscription.request(Operators.java:2070)
	at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.request(FluxMapFuseable.java:162)
	at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.set(Operators.java:1878)
	at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.onSubscribe(Operators.java:1752)
	at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onSubscribe(FluxMapFuseable.java:90)
	at reactor.core.publisher.MonoJust.subscribe(MonoJust.java:54)
	at reactor.core.publisher.MonoMapFuseable.subscribe(MonoMapFuseable.java:59)
	at reactor.core.publisher.MonoSwitchIfEmpty.subscribe(MonoSwitchIfEmpty.java:44)
	at reactor.core.publisher.MonoFlatMap.subscribe(MonoFlatMap.java:60)
	at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:150)
	at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1505)
	at reactor.core.publisher.MonoFlatMap$FlatMapInner.onNext(MonoFlatMap.java:241)
	at reactor.core.publisher.FluxDefaultIfEmpty$DefaultIfEmptySubscriber.onNext(FluxDefaultIfEmpty.java:92)
	at reactor.core.publisher.FluxOnErrorResume$ResumeSubscriber.onNext(FluxOnErrorResume.java:73)
	at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:121)
	at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:121)
	at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:121)
	at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1505)
	at reactor.core.publisher.MonoCollect$CollectSubscriber.onComplete(MonoCollect.java:142)
	at reactor.core.publisher.FluxFlatMap$FlatMapMain.checkTerminated(FluxFlatMap.java:794)
	at reactor.core.publisher.FluxFlatMap$FlatMapMain.drainLoop(FluxFlatMap.java:560)
	at reactor.core.publisher.FluxFlatMap$FlatMapMain.innerComplete(FluxFlatMap.java:863)
	at reactor.core.publisher.FluxFlatMap$FlatMapInner.onComplete(FluxFlatMap.java:957)
	at reactor.core.publisher.Operators$MonoSubscriber.complete(Operators.java:1492)
	at reactor.core.publisher.MonoZip$ZipCoordinator.signal(MonoZip.java:247)
	at reactor.core.publisher.MonoZip$ZipInner.onNext(MonoZip.java:329)
	at reactor.core.publisher.MonoCreate$DefaultMonoSink.success(MonoCreate.java:147)
	at org.springframework.boot.actuate.health.HealthIndicatorReactiveAdapter.invoke(HealthIndicatorReactiveAdapter.java:49)
	at org.springframework.boot.actuate.health.HealthIndicatorReactiveAdapter.lambda$null$0(HealthIndicatorReactiveAdapter.java:43)
	at reactor.core.scheduler.ElasticScheduler$DirectScheduleTask.run(ElasticScheduler.java:291)
	at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:50)
	at reactor.core.scheduler.SchedulerTask.call(SchedulerTask.java:27)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	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)
```