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PhilipsHue / flutter_reactive_ble

Flutter library that handles BLE operations for multiple devices.
https://developers.meethue.com/
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Crash when disconect #79

Closed RiuHDuo closed 4 years ago

RiuHDuo commented 4 years ago

Describe the bug The lib crashed when i shutdown the connected peripheral.

Expected behavior Crashed Stack

  Process: com.wellpay.deoxys, PID: 29020
    io.reactivex.exceptions.UndeliverableException: The exception could not be delivered to the consumer because it has already canceled/disposed the flow or the exception has nowhere to go to begin with. Further reading: https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0#error-handling | com.polidea.rxandroidble2.exceptions.BleDisconnectedException: Disconnected from MAC='XX:XX:XX:XX:XX:XX' with status 8 (GATT_INSUF_AUTHORIZATION or GATT_CONN_TIMEOUT)
        at io.reactivex.plugins.RxJavaPlugins.onError(RxJavaPlugins.java:367)
        at io.reactivex.internal.operators.observable.ObservableFlatMap$MergeObserver.dispose(ObservableFlatMap.java:313)
        at io.reactivex.internal.disposables.DisposableHelper.dispose(DisposableHelper.java:124)
        at io.reactivex.internal.operators.observable.ObservableReplay$ReplayObserver.dispose(ObservableReplay.java:271)
        at io.reactivex.internal.disposables.DisposableHelper.dispose(DisposableHelper.java:124)
        at io.reactivex.internal.operators.observable.ObservableRefCount.timeout(ObservableRefCount.java:137)
        at io.reactivex.internal.operators.observable.ObservableRefCount.cancel(ObservableRefCount.java:104)
        at io.reactivex.internal.operators.observable.ObservableRefCount$RefCountObserver.dispose(ObservableRefCount.java:233)
        at io.reactivex.internal.disposables.DisposableHelper.dispose(DisposableHelper.java:124)
        at io.reactivex.internal.operators.mixed.CompletableAndThenObservable$AndThenObservableObserver.dispose(CompletableAndThenObservable.java:86)
        at io.reactivex.internal.disposables.DisposableHelper.dispose(DisposableHelper.java:124)
        at io.reactivex.internal.operators.mixed.SingleFlatMapObservable$FlatMapObserver.dispose(SingleFlatMapObservable.java:84)
        at io.reactivex.internal.disposables.DisposableHelper.dispose(DisposableHelper.java:124)
        at io.reactivex.internal.operators.mixed.SingleFlatMapObservable$FlatMapObserver.dispose(SingleFlatMapObservable.java:84)
        at io.reactivex.internal.disposables.DisposableHelper.dispose(DisposableHelper.java:124)
        at io.reactivex.internal.operators.observable.ObservableFlatMap$InnerObserver.dispose(ObservableFlatMap.java:588)
        at io.reactivex.internal.operators.observable.ObservableFlatMap$MergeObserver.disposeAll(ObservableFlatMap.java:510)
        at io.reactivex.internal.operators.observable.ObservableFlatMap$MergeObserver.dispose(ObservableFlatMap.java:310)
        at io.reactivex.internal.operators.observable.ObservableDoOnEach$DoOnEachObserver.dispose(ObservableDoOnEach.java:79)
        at io.reactivex.internal.operators.observable.ObservableFlatMap$MergeObserver.disposeAll(ObservableFlatMap.java:504)
        at io.reactivex.internal.operators.observable.ObservableFlatMap$MergeObserver.dispose(ObservableFlatMap.java:310)
        at io.reactivex.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.dispose(ObservableObserveOn.java:146)
        at io.reactivex.internal.disposables.DisposableHelper.dispose(DisposableHelper.java:124)
        at io.reactivex.internal.observers.LambdaObserver.dispose(LambdaObserver.java:102)
        at com.signify.hue.flutterreactiveble.channelhandlers.CharNotificationHandler.unsubscribeFromNotifications(CharNotificationHandler.kt:46)
        at com.signify.hue.flutterreactiveble.PluginController.stopNotifications(PluginController.kt:231)
        at com.signify.hue.flutterreactiveble.PluginController.access$stopNotifications(PluginController.kt:25)
        at com.signify.hue.flutterreactiveble.PluginController$pluginMethods$11.invoke(PluginController.kt:37)
        at com.signify.hue.flutterreactiveble.PluginController$pluginMethods$11.invoke(PluginController.kt:25)
        at com.signify.hue.flutterreactiveble.PluginController.execute$flutter_reactive_ble_debug(PluginController.kt:75)
        at com.signify.hue.flutterreactiveble.ReactiveBlePlugin.onMethodCall(ReactiveBlePlugin.kt:43)
        at io.flutter.plugin.common.MethodChannel$IncomingMethodCallHandler.onMessage(MethodChannel.java:226)

Smartphone / tablet

remonh87 commented 4 years ago

This is a common issue in RXJava2, see https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0#error-handling for further details. Also on our readme I have described a workaround how to handle it. The fundamental problem lays in the Android threading model.

I will investigate the issue later to see if I can look for a more gracious solution but I haven't high hopes.

remonh87 commented 4 years ago

@RiuHDuo were you able solving the issue?