NullPointerException

[Android-s14]

I've caught this stacktrace, please check if it's relevant:

     Caused by: java.lang.NullPointerException
            at android.util.Pair.hashCode(Pair.java:62)
            at java.lang.Object.toString(Object.java:332)
            at java.lang.String.valueOf(String.java:1681)
            at com.fernandocejas.frodo.internal.MessageBuilder.buildObservableOnNextMessage(MessageBuilder.java:92)
            at com.fernandocejas.frodo.internal.MessageManager.printObservableOnNext(MessageManager.java:34)
            at com.fernandocejas.frodo.internal.FrodoObservable$5.call(FrodoObservable.java:42)
            at rx.Observable$11.onNext(Observable.java:4417)
            at rx.internal.operators.OperatorDoOnEach$1.onNext(OperatorDoOnEach.java:79)
            at rx.observers.Subscribers$5.onNext(Subscribers.java:234)
            at rx.internal.operators.NotificationLite.accept(NotificationLite.java:150)
            at rx.internal.util.RxRingBuffer.accept(RxRingBuffer.java:443)
            at rx.internal.operators.OnSubscribeCombineLatest$MultiSourceProducer.tick(OnSubscribeCombineLatest.java:152)
            at rx.internal.operators.OnSubscribeCombineLatest$MultiSourceProducer.onNext(OnSubscribeCombineLatest.java:209)
            at rx.internal.operators.OnSubscribeCombineLatest$MultiSourceRequestableSubscriber.onNext(OnSubscribeCombineLatest.java:257)
            at rx.internal.operators.OperatorMerge$MergeSubscriber.emitScalar(OperatorMerge.java:472)
            at rx.internal.operators.OperatorMerge$MergeSubscriber.tryEmit(OperatorMerge.java:434)
            at rx.internal.operators.OperatorMerge$MergeSubscriber.onNext(OperatorMerge.java:227)
            at rx.internal.operators.OperatorMerge$MergeSubscriber.onNext(OperatorMerge.java:140)
            at rx.internal.operators.OnSubscribeFromIterable$IterableProducer.slowpath(OnSubscribeFromIterable.java:97)
            at rx.internal.operators.OnSubscribeFromIterable$IterableProducer.request(OnSubscribeFromIterable.java:73)
            at rx.Subscriber.setProducer(Subscriber.java:211)
            at rx.internal.operators.OnSubscribeFromIterable.call(OnSubscribeFromIterable.java:49)
            at rx.internal.operators.OnSubscribeFromIterable.call(OnSubscribeFromIterable.java:32)
            at rx.Observable$2.call(Observable.java:162)
            at rx.Observable$2.call(Observable.java:154)
            at rx.Observable.unsafeSubscribe(Observable.java:7710)
            at rx.internal.operators.OnSubscribeCombineLatest$MultiSourceProducer.request(OnSubscribeCombineLatest.java:131)
            at rx.Subscriber.setProducer(Subscriber.java:211)
            at rx.Subscriber.setProducer(Subscriber.java:205)
            at rx.Subscriber.setProducer(Subscriber.java:205)
            at rx.Subscriber.setProducer(Subscriber.java:205)
            at rx.Subscriber.setProducer(Subscriber.java:205)
            at rx.Subscriber.setProducer(Subscriber.java:205)
            at rx.Subscriber.setProducer(Subscriber.java:205)
            at rx.Subscriber.setProducer(Subscriber.java:205)
            at rx.internal.operators.OnSubscribeCombineLatest.call(OnSubscribeCombineLatest.java:68)
            at rx.internal.operators.OnSubscribeCombineLatest.call(OnSubscribeCombineLatest.java:45)
            at rx.Observable

[android10]

I will appreciate if you are more specific with what you are trying to do. Even better if you can put some code of your annotated method.

The description and title of the issue do not help too much.

[Android-s14]

After looking at this stacktrace the second time I realize it shows something strange: NPE when obtaining hashcode on a Pair object. As for the context: I don't have the exact code right now, but it was combineLatest on two observables, plus perhaps some more operators downstream involving Pairs. Since I don't see how this stacktrace is even possible, the issue can be closed, if you don't have any other thoughts.

[android10]

Ok. I will close until we have more information or any other similar case.