java.lang.IllegalStateException: Exception thrown on Scheduler.Worker thread. Add `onError` handling.
at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:60)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:422)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:152)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:265)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:818)
Caused by: rx.exceptions.OnErrorNotImplementedException
at rx.Observable$27.onError(Observable.java:7923)
at rx.observers.SafeSubscriber._onError(SafeSubscriber.java:159)
at rx.observers.SafeSubscriber.onError(SafeSubscriber.java:120)
at rx.internal.operators.OperatorMap$1.onError(OperatorMap.java:48)
at rx.exceptions.Exceptions.throwOrReport(Exceptions.java:187)
at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:56)
at y2k.joyreactor.common.ObservableExtensionsKt$ioObservable$1$1.call(ObservableExtensions.kt:26)
at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)
... 7 more
Caused by: kotlin.KotlinNullPointerException
at y2k.joyreactor.services.TagListService$getTagForFavorite$1.call(TagListService.kt:34)
at y2k.joyreactor.services.TagListService$getTagForFavorite$1.call(TagListService.kt:14)
at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:54)
... 9 more
Caused by: rx.exceptions.OnErrorThrowable$OnNextValue: OnError while emitting onNext value: null
at rx.exceptions.Exceptions.throwOrReport(Exceptions.java:187)
at rx.internal.operators.OperatorMap$1.onNext(OperatorMap.java:56)
... 9 more
