Users

 49c8d876-6392-44fd-962b-06e01a93ecd2

      User
         UserId: "49c8d876-6392-44fd-962b-06e01a93ecd2"
         Name: "Peter"
         UserPassword: "ZGVzY3JpcHRvcg=="
         UserPhoneNumber: "80999399393"

49c3d876-6292-44fd-962b-06e01a5wdcd4

     User
         UserId: "49c8d876-6392-44fd-962b-06e00b43faa6"
         Name: "Peter"
         UserPassword: "ZGVzY3JpcHRvcp=="
         UserPhoneNumber: "09u0w860w86"

Firebase usersBase = rootBase.child(MyAppEngine.USERS);
Query usersQuery = usersBase.orderByChild(MyAppEngine.USER + "/" + MyAppEngine.USER_NAME).equalTo("Peter");

usersQuery.addValueEventListener(new ValueEventListener() {
    @Override
    public void onDataChange(DataSnapshot dataSnapshot) {
        if (dataSnapshot != null) {

            User retrievedUser = dataSnapshot.getValue(User.class);    //Am getting a failed to bounce type error saying UserId cannot be bounced to type here

            if (retrievedCappUser != null) {
                Log.d(TAG, retrievedUser .toString());
            }

         }
     }
});