[google_sign_in] java.lang.NullPointerException: Attempt to read from field [...] on a null object reference #74308
Description
I found a following stack trace in my team's Crashlytics:
Fatal Exception: java.lang.NullPointerException: Attempt to read from field 'io.flutter.plugin.common.MethodChannel$Result io.flutter.plugins.googlesignin.GoogleSignInPlugin$Delegate$PendingOperation.result' on a null object reference
at io.flutter.plugins.googlesignin.GoogleSignInPlugin$Delegate.finishWithSuccess(GoogleSignInPlugin.java:2)
at io.flutter.plugins.googlesignin.GoogleSignInPlugin$Delegate.onSignInAccount(GoogleSignInPlugin.java:69)
at io.flutter.plugins.googlesignin.GoogleSignInPlugin$Delegate.onSignInResult(GoogleSignInPlugin.java:8)
at io.flutter.plugins.googlesignin.GoogleSignInPlugin$Delegate.access$000(GoogleSignInPlugin.java)
at io.flutter.plugins.googlesignin.GoogleSignInPlugin$Delegate$1.onComplete(GoogleSignInPlugin.java:2)
at com.google.android.gms.tasks.zzj.run(zzj.java:23)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at com.google.android.gms.internal.tasks.zzb.dispatchMessage(zzb.java)
at android.os.Looper.loop(Looper.java:237)
at android.app.ActivityThread.main(ActivityThread.java:8167)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:496)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1100)
One occurrence, app with ~1000 active users.
I had a quick look at the plugin's code in the location mentioned in the stack trace. result is passed through a few layers without a null-check. Maybe there's a reasonable (but rare) path when it actually can be null?
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Important issues not at the top of the work listIssues experienced in live production appsStack traces logged to the consoleCrashes that terminate the processThe Google Sign-In pluginflutter/packages repository. See also p: labels.Android applications specificallyOwned by Android platform teamTriaged by Android platform team