android - 尝试从空对象引用上的字段“int com.android.server.wm.Task.mTaskId”读取

Question

我在我的 firebase crashlytics 控制台中遇到了异常。

Fatal Exception: java.lang.NullPointerException: Attempt to read from field 'int com.android.server.wm.Task.mTaskId' on a null object reference
       at android.os.Parcel.createExceptionOrNull(Parcel.java:2391)
       at android.os.Parcel.createException(Parcel.java:2369)
       at android.os.Parcel.readException(Parcel.java:2352)
       at android.os.Parcel.readException(Parcel.java:2294)
       at android.app.IActivityTaskManager$Stub$Proxy.reportAssistContextExtras(IActivityTaskManager.java:5748)
       at android.app.ActivityThread.handleRequestAssistContextExtras(ActivityThread.java:4115)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2262)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loop(Looper.java:246)
       at android.app.ActivityThread.main(ActivityThread.java:8512)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)

Caused by android.os.RemoteException: Remote stack trace:
    at com.android.server.wm.ActivityTaskManagerService.reportAssistContextExtras(ActivityTaskManagerService.java:4079)
    at android.app.IActivityTaskManager$Stub.onTransact(IActivityTaskManager.java:2645)
    at android.os.Binder.execTransactInternal(Binder.java:1195)
    at android.os.Binder.execTransact(Binder.java:1159)