com.google.firebase.database.DatabaseException: Converting to Arrays is not supported, please use Listsinstead

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

,
Expert tip

Firebase Database considers public fields and JavaBean-like getters and setters when serializing/deserializing JSON. A public field with a getter and a setter may cause this exception. Try to change to private or removing getter and setter.

Solutions on the web

via Stack Overflow by Kushagr Jolly
, 10 months ago
Converting to Arrays is not supported, please use Listsinstead
via Stack Overflow by Sahaj Rana
, 1 year ago
Class java.util.Map has generic type parameters, please use GenericTypeIndicator instead
com.google.firebase.database.DatabaseException: Converting to Arrays is not supported, please use Listsinstead
at com.google.android.gms.internal.zzaix.zzb(Unknown Source)
at com.google.android.gms.internal.zzaix.zza(Unknown Source)
at com.google.android.gms.internal.zzaix.zzb(Unknown Source)
at com.google.android.gms.internal.zzaix$zza.zze(Unknown Source)
at com.google.android.gms.internal.zzaix$zza.zzaC(Unknown Source)
at com.google.android.gms.internal.zzaix.zzd(Unknown Source)
at com.google.android.gms.internal.zzaix.zzb(Unknown Source)
at com.google.android.gms.internal.zzaix.zza(Unknown Source)
at com.google.firebase.database.DataSnapshot.getValue(Unknown Source)
at com.potenza_pvt_ltd.AAPS.ExitReceipt$7.onChildAdded(ExitReceipt.java:322)
at com.google.android.gms.internal.zzaer.zza(Unknown Source)
at com.google.android.gms.internal.zzagp.zzSu(Unknown Source)
at com.google.android.gms.internal.zzags$1.run(Unknown Source)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5461)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)

Users with the same issue

8 times, 1 year ago
Samebug visitor profile picture
Unknown user
Once, 1 year ago

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.