Recently, I’ve got the error. The error occurs on Android oreo & pie devices. So, how to solve this problem.
java.lang.NullPointerException: at com.android.okhttp.okio.Buffer.write (Buffer.java:1182) at com.android.okhttp.okio.Buffer.read (Buffer.java:1221) at com.android.okhttp.okio.RealBufferedSource.read (RealBufferedSource.java:55) at com.android.okhttp.internal.http.Http1xStream$FixedLengthSource.read (Http1xStream.java:393) at com.android.okhttp.internal.Util.skipAll (Util.java:159) at com.android.okhttp.internal.Util.discard (Util.java:141) at com.android.okhttp.internal.http.Http1xStream$FixedLengthSource.close (Http1xStream.java:410) at com.android.okhttp.okio.RealBufferedSource.close (RealBufferedSource.java:396) at com.android.okhttp.okio.RealBufferedSource$1.close (RealBufferedSource.java:384) at com.google.android.gms.internal.firebase_messaging.zzk.a (zzk.java:2) at com.google.firebase.messaging.zzj.close (zzj.java) at com.google.firebase.messaging.zzd.zza (zzd.java) at com.google.firebase.messaging.FirebaseMessagingService.zzc (FirebaseMessagingService.java) at com.google.firebase.messaging.zze.run (zze.java:7) at java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1162) at java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:636) at com.google.android.gms.common.util.concurrent.zza.run (zza.java:7)
at java.lang.Thread.run (Thread.java:764)