com.google.firebase.database.DatabaseException: Class com.google.firebase.udacity.friendlychat.FriendlyMessage is missing a constructor with no arguments

Stack Overflow | Subham Agrawal | 2 months ago
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  1. 0

    I made a chatting app which is continuosly showing errors

    Stack Overflow | 2 months ago | Subham Agrawal
    com.google.firebase.database.DatabaseException: Class com.google.firebase.udacity.friendlychat.FriendlyMessage is missing a constructor with no arguments
  2. 0
    samebug tip
    Firebase requires your Pojo to have public getters and setters, check if you created getters and setters and if your variables are public!
  3. 0

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

    Stack Overflow | 1 month ago | Julia Falinska
    com.google.firebase.database.DatabaseException: Failed to convert value of type java.util.HashMap to String
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  5. 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.
  6. 0

    ListItem is missing a constructor with no arguments

    Stack Overflow | 2 months ago | Julia Falinska
    com.google.firebase.database.DatabaseException: Class com.example.andrejulia.painting.ListItem is missing a constructor with no arguments

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    Root Cause Analysis

    1. com.google.firebase.database.DatabaseException

      Class com.google.firebase.udacity.friendlychat.FriendlyMessage is missing a constructor with no arguments

      at com.google.android.gms.internal.zzbqi$zza.zze()
    2. com.google.android
      zzbqi.zza
      1. com.google.android.gms.internal.zzbqi$zza.zze(Unknown Source)
      2. com.google.android.gms.internal.zzbqi$zza.zzaG(Unknown Source)
      3. com.google.android.gms.internal.zzbqi.zze(Unknown Source)
      4. com.google.android.gms.internal.zzbqi.zzb(Unknown Source)
      5. com.google.android.gms.internal.zzbqi.zza(Unknown Source)
      5 frames
    3. com.google.firebase
      MainActivity$6.onChildAdded
      1. com.google.firebase.database.DataSnapshot.getValue(Unknown Source)
      2. com.google.firebase.udacity.friendlychat.MainActivity$6.onChildAdded(MainActivity.java:290)
      2 frames
    4. com.google.android
      zzboc$1.run
      1. com.google.android.gms.internal.zzblz.zza(Unknown Source)
      2. com.google.android.gms.internal.zzbnz.zzYj(Unknown Source)
      3. com.google.android.gms.internal.zzboc$1.run(Unknown Source)
      3 frames
    5. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:751)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:154)
      4. android.app.ActivityThread.main(ActivityThread.java:6688)
      4 frames
    6. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    7. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1468)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1358)
      2 frames