com.google.firebase.database.DatabaseException: Failed to convert value of type java.util.HashMap to String

Stack Overflow | Thanos Z | 2 weeks ago
tip
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  1. 0

    Retrieving data from Firebase in Android

    Stack Overflow | 2 weeks ago | Thanos Z
    com.google.firebase.database.DatabaseException: Failed to convert value of type java.util.HashMap to String
  2. 0
    samebug 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.
  3. 0

    Retrieving nested data in Firebase - Android

    Stack Overflow | 6 days ago | Xnkr
    com.google.firebase.database.DatabaseException: Failed to convert value of type java.util.HashMap to String
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  5. 0

    crash: crash on joining... hmmmm

    GitHub | 3 months ago | javierarboleda
    com.google.firebase.database.DatabaseException: Can't convert object of type java.lang.String to type com.javierarboleda.visualtilestogether.models.Channel
  6. 0

    Cannot retrieve a list into Firebase Database

    Stack Overflow | 3 months ago | rolandl
    com.google.firebase.database.DatabaseException: Expected a List while deserializing, but got a class java.util.HashMap

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    Root Cause Analysis

    1. com.google.firebase.database.DatabaseException

      Failed to convert value of type java.util.HashMap to String

      at com.google.android.gms.internal.zzbqi.zzaD()
    2. com.google.android
      zzbqi.zza
      1. com.google.android.gms.internal.zzbqi.zzaD(Unknown Source)
      2. com.google.android.gms.internal.zzbqi.zzb(Unknown Source)
      3. com.google.android.gms.internal.zzbqi.zza(Unknown Source)
      3 frames
    3. com.google.firebase
      DataSnapshot.getValue
      1. com.google.firebase.database.DataSnapshot.getValue(Unknown Source)
      1 frame
    4. com.thanoszoug.geofenceexample
      FirebaseActivity$1.onDataChange
      1. com.thanoszoug.geofenceexample.FirebaseActivity$1.onDataChange(FirebaseActivity.java:42)
      1 frame
    5. com.google.android
      zzboc$1.run
      1. com.google.android.gms.internal.zzbmz.zza(Unknown Source)
      2. com.google.android.gms.internal.zzbnz.zzYj(Unknown Source)
      3. com.google.android.gms.internal.zzboc$1.run(Unknown Source)
      3 frames
    6. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:739)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:158)
      4. android.app.ActivityThread.main(ActivityThread.java:7229)
      4 frames
    7. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    8. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
      2 frames