使用R8的Firebase中的循环参考错误 [英] Circular reference error in firebase with R8

问题描述

我们遇到了Firebase和R8的错误.

We are getting following error with Firebase and R8.

[CIRCULAR REFERENCE:java.lang.IllegalArgumentException: java.lang.IllegalArgumentException: Multiple entries with same key: Method com.google.firebase.iid.FirebaseInstanceId.zza Proto LLL com.google.android.gms.tasks.Task java.lang.String java.lang.String=Encoded method Method com.google.firebase.iid.FirebaseInstanceId.zza Proto LLL com.google.android.gms.tasks.Task java.lang.String java.lang.String and Method com.google.firebase.iid.FirebaseInstanceId.zza Proto LLL com.google.android.gms.tasks.Task java.lang.String java.lang.String=Encoded method Method com.google.firebase.iid.FirebaseInstanceId.zza Proto LLL com.google.android.gms.tasks.Task java.lang.String java.lang.String]

请帮助我进一步调试此指针.让我知道是否需要更多日志来调试它.

Please help me with any further pointers to debug this. Let me know if more logs are required to debug this.

固定版本为3.4.0-beta02起.

Its fixed 3.4.0-beta02 onwards.

推荐答案

我在最新的Android Studio 3.5中也遇到了此错误.通过点击指向Google Issue Tracker的链接并仅在我的Proguard规则中添加以下行来解决此问题:

I've had this error as well in the latest Android Studio 3.5. Fixed it by following the links to the Google Issue Tracker, and by just adding this line in my Proguard rules :

-keep class com.google.firebase.iid.FirebaseInstanceId { zza(...); }

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