java.lang.NullPointerException

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    • java.lang.NullPointerException at monix.reactive.subjects.AsyncSubject.unsubscribe(AsyncSubject.scala:122) at monix.reactive.subjects.AsyncSubject.$anonfun$unsafeSubscribeFn$1(AsyncSubject.scala:89) at monix.execution.Cancelable$CancelableTask.cancel(Cancelable.scala:66) at monix.reactive.observables.RefCountObservable.$anonfun$unsafeSubscribeFn$2(RefCountObservable.scala:65) at monix.execution.Cancelable$CancelableTask.cancel(Cancelable.scala:66) at monix.execution.cancelables.SerialCancelable.cancel(SerialCancelable.scala:62) at monix.execution.cancelables.CompositeCancelable.cancel(CompositeCancelable.scala:89) at monix.reactive.internal.operators.SwitchMapObservable$$anon$1.onError(SwitchMapObservable.scala:96) at monix.reactive.internal.operators.SwitchMapObservable$$anon$1$$anon$2.onError(SwitchMapObservable.scala:74) at monix.reactive.observers.Subscriber$Implementation.onError(Subscriber.scala:214) at monix.reactive.observables.RefCountObservable$$anon$1.onError(RefCountObservable.scala:79) at monix.reactive.subjects.AsyncSubject.onCompleteOrError(AsyncSubject.scala:108) at monix.reactive.subjects.AsyncSubject.onError(AsyncSubject.scala:56) at monix.reactive.observers.Subscriber$Implementation.onError(Subscriber.scala:214) at monix.reactive.observers.SafeSubscriber.signalError(SafeSubscriber.scala:92) at monix.reactive.observers.SafeSubscriber.onError(SafeSubscriber.scala:61) at monix.reactive.internal.operators.DoOnErrorOperator$$anon$1.onError(DoOnErrorOperator.scala:46) at monix.reactive.internal.operators.DoOnNextOperator$$anon$1.onError(DoOnNextOperator.scala:55) at monix.reactive.internal.operators.MapTaskObservable$MapAsyncSubscriber.$anonfun$onNext$2(MapTaskObservable.scala:154) at monix.eval.Coeval$Always.runAttempt(Coeval.scala:603) at monix.eval.Task$.loop$1(Task.scala:1474) at monix.eval.Task$.startTrampolineForFuture(Task.scala:1519) at monix.eval.Task.runAsync(Task.scala:113) at monix.reactive.internal.operators.MapTaskObservable$MapAsyncSubscriber.onNext(MapTaskObservable.scala:179) at monix.reactive.internal.operators.DoOnTerminateOperator$$anon$1.onNext(DoOnTerminateOperator.scala:38) at monix.reactive.internal.operators.WhileBusyDropEventsOperator$$anon$1.onNext(WhileBusyDropEventsOperator.scala:40) at monix.reactive.internal.operators.WhileBusyDropEventsOperator$$anon$1.onNext(WhileBusyDropEventsOperator.scala:30) at monix.reactive.internal.operators.MapOperator$$anon$1.onNext(MapOperator.scala:45) at monix.reactive.internal.builders.IntervalFixedDelayObservable$$anon$1.run(IntervalFixedDelayObservable.scala:58) at scala.concurrent.impl.ExecutionContextImpl$AdaptedForkJoinTask.exec(ExecutionContextImpl.scala:140) at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692) at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)
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