[Crash] Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference

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Valutazione

Difficoltà
4/5
Tempo stimato
3-5 giorni
Idoneità per principianti
38/100
Tipo di issue
Bug
Chiarezza
Da chiarire
Stato di attività
Attiva
Stack tecnologico
android, firebase, java
Ambito
authentication, mobile

Direzione di ricerca

Inizia con lo stack trace segnalato in com.google.android.gms.auth.api.signin.internal.SignInHubActivity.onCreate e verifica in che modo firebase-auth 24.1.0 introduce play-services-auth 20.7.0. Prova a riprodurre il crash nell’ambiente segnalato con Nexus 5X e Android 13. Il lavoro è completato quando la causa è confermata e sono documentati una soluzione o un risultato upstream utilizzabile.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

api: auth
[REQUIRED] Step 2: Describe your environment
  • Android Studio version: _
  • Firebase Component: _ Crashlytics
  • Component version: _ BOM 34.13.0
[REQUIRED] Step 3: Describe the problem
Steps to reproduce:

In our app, we use Firebase Auth for anonymous signin, and recently, we have observed this crash happening on Nexus 5 devices as captured by Crashlytics
Crash stacktrace indicated below


Fatal Exception: java.lang.RuntimeException: Unable to start activity ComponentInfo{<pacckagename>/com.google.android.gms.auth.api.signin.internal.SignInHubActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference

Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Class java.lang.Object.getClass()' on a null object reference
       at com.google.android.gms.auth.api.signin.internal.SignInHubActivity.onCreate(com.google.android.gms:play-services-auth@@20.7.0:23)
       at android.app.Activity.performCreate(Activity.java:8305)
       at android.app.Activity.performCreate(Activity.java:8284)
       at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1417)
       at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3626)
       at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3782)
       at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:101)
       at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
       at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2307)
       at android.os.Handler.dispatchMessage(Handler.java:106)
       at android.os.Looper.loopOnce(Looper.java:201)
       at android.os.Looper.loop(Looper.java:288)
       at android.app.ActivityThread.main(ActivityThread.java:7872)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)

After inspecting the dependency tree, this particular version of play-services-auth is a transitive dependency brought in by the firebase-auth dependency

+--- com.google.firebase:firebase-auth -> 24.1.0
|    |    +--- androidx.browser:browser:1.4.0
|    |    |    +--- androidx.collection:collection:1.1.0 -> 1.5.0 (*)
|    |    |    +--- androidx.concurrent:concurrent-futures:1.0.0 -> 1.2.0 (*)
|    |    |    +--- androidx.interpolator:interpolator:1.0.0 (*)
|    |    |    +--- androidx.core:core:1.1.0 -> 1.18.0 (*)
|    |    |    +--- androidx.annotation:annotation:1.1.0 -> 1.9.1 (*)
|    |    |    \--- com.google.guava:listenablefuture:1.0 -> 9999.0-empty-to-avoid-conflict-with-guava
|    |    +--- androidx.collection:collection:1.0.0 -> 1.5.0 (*)
|    |    +--- androidx.credentials:credentials:1.2.0-rc01
|    |    |    +--- androidx.annotation:annotation:1.5.0 -> 1.9.1 (*)
|    |    |    +--- org.jetbrains.kotlin:kotlin-stdlib:1.8.22 -> 2.3.21 (*)
|    |    |    +--- org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.1 -> 1.10.2 (*)
|    |    |    \--- androidx.credentials:credentials-play-services-auth:1.2.0-rc01 (c)
|    |    +--- androidx.credentials:credentials-play-services-auth:1.2.0-rc01
|    |    |    +--- androidx.credentials:credentials:1.2.0-rc01 (*)
|    |    |    +--- com.google.android.gms:play-services-auth:20.7.0
|    |    |    |    +--- androidx.fragment:fragment:1.0.0 -> 1.5.4 (*)
|    |    |    |    +--- com.google.android.gms:play-services-auth-api-phone:18.0.1 -> 18.0.2
|    |    |    |    |    +--- com.google.android.gms:play-services-base:18.0.1 -> 18.9.0
|    |    |    |    |    |    +--- androidx.collection:collection:1.0.0 -> 1.5.0 (*)
|    |    |    |    |    |    +--- androidx.core:core:1.9.0 -> 1.18.0 (*)
|    |    |    |    |    |    +--- androidx.fragment:fragment:1.1.0 -> 1.5.4 (*)
|    |    |    |    |    |    +--- com.google.android.gms:play-services-basement:18.9.0
|    |    |    |    |    |    |    +--- androidx.collection:collection:1.0.0 -> 1.5.0 (*)
|    |    |    |    |    |    |    +--- androidx.core:core:1.2.0 -> 1.18.0 (*)
|    |    |    |    |    |    |    \--- androidx.fragment:fragment:1.1.0 -> 1.5.4 (*)
|    |    |    |    |    |    \--- com.google.android.gms:play-services-tasks:18.4.0
|    |    |    |    |    |         \--- com.google.android.gms:play-services-basement:18.8.0 -> 18.9.0 (*)
|    |    |    |    |    +--- com.google.android.gms:play-services-basement:18.0.2 -> 18.9.0 (*)
|    |    |    |    |    \--- com.google.android.gms:play-services-tasks:18.0.1 -> 18.4.0 (*)
|    |    |    |    +--- com.google.android.gms:play-services-auth-base:18.0.4

Device
Brand:Google
Model:Nexus 5X
Orientation:Portrait
RAM free: 699.7 MB
Disk free: 4.9 GB

Operating System
Version:Android 13
Orientation:Portrait
Rooted: No

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