沒有在RxJava onError回調上捕獲InterruptedException？

Question

我下面有一個簡單的代碼

    compositeDisposable.add(Observable.create<Int> { Thread.sleep(1000) }
        .subscribeOn(Schedulers.io())
        .observeOn(AndroidSchedulers.mainThread())
        .subscribe({}, {Log.d("Track", it.localizedMessage)}, {}))
    Handler().postDelayed({compositeDisposable.clear()}, 100)

它故意使用Thread.sleep(1000) ，只是為了觸發InterruptedException 。 我故意延遲100毫秒，以確保鏈中的睡眠已開始並進行處理。

（請注意，我知道不推薦使用Thread.sleep 。我只是編寫此代碼來測試並了解為什么在這種情況下不調用onError ，以及如何在不使用try-catch的情況下優雅地防止崩潰。 RxJava鏈）

當時，觸發它時，該錯誤不是導致onError （即未到達Log 。）而是引發以下錯誤並使App崩潰。

io.reactivex.exceptions.UndeliverableException: java.lang.InterruptedException
    at io.reactivex.plugins.RxJavaPlugins.onError(RxJavaPlugins.java:366)
    at io.reactivex.internal.operators.observable.ObservableCreate$CreateEmitter.onError(ObservableCreate.java:74)
    at io.reactivex.internal.operators.observable.ObservableCreate.subscribeActual(ObservableCreate.java:43)
    at io.reactivex.Observable.subscribe(Observable.java:11194)
    at io.reactivex.internal.operators.observable.ObservableSubscribeOn$SubscribeTask.run(ObservableSubscribeOn.java:96)
    at io.reactivex.Scheduler$DisposeTask.run(Scheduler.java:463)
    at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:66)
    at io.reactivex.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:57)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:301)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
    at java.lang.Thread.run(Thread.java:764)
 Caused by: java.lang.InterruptedException
    at java.lang.Thread.sleep(Native Method)
    at java.lang.Thread.sleep(Thread.java:373)
    at java.lang.Thread.sleep(Thread.java:314)
    at com.elyeproj.porterduff.AnimateDrawPorterDuffView$startAnimate$1.subscribe(AnimateDrawPorterDuffView.kt:45)
    at io.reactivex.internal.operators.observable.ObservableCreate.subscribeActual(ObservableCreate.java:40)
    at io.reactivex.Observable.subscribe(Observable.java:11194) 
    at io.reactivex.internal.operators.observable.ObservableSubscribeOn$SubscribeTask.run(ObservableSubscribeOn.java:96) 
    at io.reactivex.Scheduler$DisposeTask.run(Scheduler.java:463) 
    at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:66) 
    at io.reactivex.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:57) 
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:301) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) 
    at java.lang.Thread.run(Thread.java:764) 

為什么was't的InterruptedException被抓onError在RxJava？

Answer 1

正如@akarnokd指出的那樣，在https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0#error-handling中 ，看起來RxJava已經在拋出之前被丟棄了，因此出現了錯誤拋出以后通過。 要解決此問題，只需注冊

 RxJavaPlugins.setErrorHandler { e -> /*Do whatever we need with the error*/ }