rx.exceptions.OnErrorThrowable$OnNextValue: OnError while emitting onNext value: com.microsoft.azure.hdinsight.sdk.common.livy.interactive.SparkSession.class
at rx.exceptions.OnErrorThrowable.addValueAsLastCause(OnErrorThrowable.java:118)
at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:73)
at rx.observers.Subscribers$5.onNext(Subscribers.java:235)
at rx.internal.operators.OperatorDoAfterTerminate$1.onNext(OperatorDoAfterTerminate.java:50)
at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:77)
at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:77)
at rx.internal.operators.OperatorMerge$MergeSubscriber.emitScalar(OperatorMerge.java:395)
at rx.internal.operators.OperatorMerge$MergeSubscriber.tryEmit(OperatorMerge.java:355)
at rx.internal.operators.OperatorMerge$InnerSubscriber.onNext(OperatorMerge.java:846)
at rx.observers.Subscribers$5.onNext(Subscribers.java:235)
at rx.internal.operators.OperatorDoAfterTerminate$1.onNext(OperatorDoAfterTerminate.java:50)
at rx.internal.util.ScalarSynchronousObservable$WeakSingleProducer.request(ScalarSynchronousObservable.java:276)
at rx.Subscriber.setProducer(Subscriber.java:211)
at rx.Subscr
IntelliJ build version: 2018.3.4 IC-183.5429.30 OS: Linux JDK: JetBrains s.r.o 1.8.0_152-release Plugin version: 3.23.0-2018.3 Error message: