TemporaryFailureException in combination tests

com.couchbase.client.java.error.TemporaryFailureException

	at com.couchbase.client.java.bucket.api.Mutate$2$1.call(Mutate.java:246)

	at com.couchbase.client.java.bucket.api.Mutate$2$1.call(Mutate.java:220)

	at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:69)

	at rx.observers.Subscribers$5.onNext(Subscribers.java:235)

	at rx.internal.operators.OnSubscribeDoOnEach$DoOnEachSubscriber.onNext(OnSubscribeDoOnEach.java:101)

	at rx.internal.producers.SingleProducer.request(SingleProducer.java:65)

	at rx.internal.producers.ProducerArbiter.setProducer(ProducerArbiter.java:126)

	at rx.internal.operators.OnSubscribeTimeoutTimedWithFallback$TimeoutMainSubscriber.setProducer(OnSubscribeTimeoutTimedWithFallback.java:155)

	at rx.Subscriber.setProducer(Subscriber.java:205)

	at rx.internal.operators.OnSubscribeMap$MapSubscriber.setProducer(OnSubscribeMap.java:102)

	at rx.Subscriber.setProducer(Subscriber.java:205)

	at rx.Subscriber.setProducer(Subscriber.java:205)

	at rx.subjects.AsyncSubject.onCompleted(AsyncSubject.java:103)

	at com.couchbase.client.core.endpoint.AbstractGenericHandler.completeResponse(AbstractGenericHandler.java:508)

	at com.couchbase.client.core.endpoint.AbstractGenericHandler.access$000(AbstractGenericHandler.java:86)

	at com.couchbase.client.core.endpoint.AbstractGenericHandler$1.call(AbstractGenericHandler.java:526)

	at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)

	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

	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)

Caused by: rx.exceptions.OnErrorThrowable$OnNextValue: OnError while emitting onNext value: com.couchbase.client.core.message.kv.UpsertResponse.class

	at rx.exceptions.OnErrorThrowable.addValueAsLastCause(OnErrorThrowable.java:118)

	at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:73)

	... 21 more