[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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#8,135 8 comentarios 1 reacción 0 asignados Ver en GitHub

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Evaluación

Dificultad
4/5
Tiempo estimado
3-5 días
Aptitud para principiantes
38/100
Tipo de issue
Error
Claridad
Necesita aclaración
Estado de actividad
Activo
Stack tecnológico
android, firebase, java
Área
authentication, mobile

Línea de trabajo

Comienza con el stack trace reportado en com.google.android.gms.auth.api.signin.internal.SignInHubActivity.onCreate e inspecciona cómo firebase-auth 24.1.0 incorpora play-services-auth 20.7.0. Intenta reproducir el fallo en el entorno reportado de Nexus 5X y Android 13. Se considera terminado cuando la causa esté confirmada y se haya documentado una resolución o un hallazgo accionable en upstream.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

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

Lenguaje dominante
Java
Estrellas
2.6k
Forks
733
Merge medio
2 d 15 h
PR fusionados (30 d)
72

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