Failed to parse node with class

[Kazim Baygan]

I am getting "Failed to parse node with class" when I 'updateClidren'.

here is my code

                Prize prize = new Prize(UUID.randomUUID().toString(), "toothpaste", 10, "$2.00", createAndUpdateDate, createAndUpdateDate, "X");

Map<String, Object> prizes = new HashMap<String, Object>();

prizes.put(prize.getUniqueId(), prize);

               ref.child(FirebaseInfo.BUSINESS_PUBLIC_NODE_NAME).child("1234").child("prizes").updateChildren(prizes);

Here is what I get:

   com.firebase.client.FirebaseException: Failed to parse node with class class com.baytek.library.model.Prize

            at com.firebase.client.snapshot.NodeUtilities.NodeFromJSON(NodeUtilities.java:86)

            at com.firebase.client.snapshot.NodeUtilities.NodeFromJSON(NodeUtilities.java:13)

            at com.firebase.client.Firebase.updateChildren(Firebase.java:466)

            at com.firebase.client.Firebase.updateChildren(Firebase.java:451)

            at com.baytek.library.service.FireBaseIntentService.handleActionInsertReward(FireBaseIntentService.java:376)

            at com.baytek.library.service.FireBaseIntentService.onHandleIntent(FireBaseIntentService.java:283)

            at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:65)

            at android.os.Handler.dispatchMessage(Handler.java:102)

            at android.os.Looper.loop(Looper.java:155)

            at android.os.HandlerThread.run(HandlerThread.java:61)

03-30 21:51:33.515     4224-468/? E/MediaHTTPConnection﹕ unknown exception java.lang.NullPointerException: Attempt to invoke virtual method 'java.net.URL java.net.HttpURLConnection.getURL()' on a null object reference

device not found

com.baytek.library.model.Prize is just a POJO...

Also, I verified that my path to children does exist...

Is this a bug or am I missing something?

[Jonny Dimond]

Hi Kazim,

Thanks for sending this in.

We currently don't support POJOs with updateChildren, only with setValue. We'll discuss internally if we want to add this option in the future.

For this particular use case, you can use

child(prize.getUniqueId()).setValue(prize)

instead.

Jonny

[Kazim Baygan]

Thanks Johnny... Appreciate the quick reply :)

I will use setValue...

K

[Vinicius Silva]

is this still true?

[Jonny Dimond]

Hi Vinicius,

yes, we still only support using POJOs for setValue.

Jonny

[H]

Hey Kazim, alternatively you can add a serialize method to your POJO class (Prize.java) to serialize your objects to a Map:

public Map<String, Object> serialize() {
    ObjectMapper objectMapper = new ObjectMapper();
    return objectMapper.convertValue(this, Map.class);
}

and then use your same code like this: 

prizes.put(prize.getUniqueId(), prize.serialize());

You can put the serialize method in a base class that all your POJO classes extend so your code is nicer.

[Vinod]

Thank you!. That worked :)