小编Gra*_*arz的帖子

我的应用仅收到来自 Android 10 用户的单一崩溃报告。这是堆栈跟踪：

Fatal Exception: java.lang.NullPointerException: Attempt to read from field 'int android.security.keymaster.ExportResult.resultCode' on a null object reference

       at android.security.keystore.AndroidKeyStoreProvider.loadAndroidKeyStorePublicKeyFromKeystore(AndroidKeyStoreProvider.java:256)
       at android.security.keystore.AndroidKeyStoreProvider.loadAndroidKeyStoreKeyPairFromKeystore(AndroidKeyStoreProvider.java:296)
       at android.security.keystore.AndroidKeyStoreProvider.loadAndroidKeyStorePrivateKeyFromKeystore(AndroidKeyStoreProvider.java:316)
       at android.security.keystore.AndroidKeyStoreProvider.loadAndroidKeyStoreKeyFromKeystore(AndroidKeyStoreProvider.java:378)
       at android.security.keystore.AndroidKeyStoreSpi.engineGetKey(AndroidKeyStoreSpi.java:105)
       at java.security.KeyStore.getKey(KeyStore.java:1062)
       at we.lmk.iqQ(we.lmk:19)
       at we.Vmk.apply(we.Vmk:51)
       at io.reactivex.internal.operators.single.SingleMap$MapSingleObserver.onSuccess(SingleMap.java:57)
       at io.reactivex.internal.operators.single.SingleFromCallable.subscribeActual(SingleFromCallable.java:56)
       at io.reactivex.Single.subscribe(Single.java:3603)
       at io.reactivex.internal.operators.single.SingleMap.subscribeActual(SingleMap.java:34)
       at io.reactivex.Single.subscribe(Single.java:3603)
       at io.reactivex.internal.operators.single.SingleZipArray.subscribeActual(SingleZipArray.java:63)
       at io.reactivex.Single.subscribe(Single.java:3603)
       at io.reactivex.internal.operators.maybe.MaybeFilterSingle.subscribeActual(MaybeFilterSingle.java:40)
       at io.reactivex.Maybe.subscribe(Maybe.java:4290)
       at io.reactivex.internal.operators.maybe.MaybeMap.subscribeActual(MaybeMap.java:40)
       at io.reactivex.Maybe.subscribe(Maybe.java:4290)
       at io.reactivex.internal.operators.maybe.MaybeMap.subscribeActual(MaybeMap.java:40)
       at io.reactivex.Maybe.subscribe(Maybe.java:4290)
       at io.reactivex.internal.operators.maybe.MaybeFlatMapSingle.subscribeActual(MaybeFlatMapSingle.java:47)
       at io.reactivex.Single.subscribe(Single.java:3603)
       at io.reactivex.internal.operators.single.SingleFlatMap.subscribeActual(SingleFlatMap.java:36)
       at io.reactivex.Single.subscribe(Single.java:3603)
       at io.reactivex.internal.operators.single.SingleFlatMap.subscribeActual(SingleFlatMap.java:36)
       at io.reactivex.Single.subscribe(Single.java:3603)
       at io.reactivex.internal.operators.single.SingleSubscribeOn$SubscribeOnObserver.run(SingleSubscribeOn.java:89)
       at io.reactivex.Scheduler$DisposeTask.run(Scheduler.java:578)
       at io.reactivex.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:66)
       at …