Getting java.lang.UnsupportedOperationException: JsonNull reports

Question

I am getting crash report from some users.Report:

java.lang.UnsupportedOperationException: JsonNull
at com.google.gson.JsonElement.getAsString(JsonElement.java:191)
at com.impact.ribony.LoginActivity$1.onCompleted(LoginActivity.java:115)
at com.impact.ribony.LoginActivity$1.onCompleted(LoginActivity.java:1)
at com.koushikdutta.async.future.SimpleFuture.handleCallbackUnlocked(SimpleFuture.java:107)
at com.koushikdutta.async.future.SimpleFuture.setComplete(SimpleFuture.java:141)
at com.koushikdutta.async.future.SimpleFuture.setComplete(SimpleFuture.java:128)
at com.koushikdutta.ion.IonRequestBuilder$1.run(IonRequestBuilder.java:242)
at com.koushikdutta.async.AsyncServer$RunnableWrapper.run(AsyncServer.java:53)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:212)
at android.app.ActivityThread.main(ActivityThread.java:5135)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:877)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:693)
at dalvik.system.NativeStart.main(Native Method)

My code:

@Override
public void onCompleted(Exception e, JsonObject result) {
    if (e == null) {
        String anonId=result.get("anonid").getAsString();
     }
}

I am sure my anonid is not null.Why I am getting this reports ?

see this question stackoverflow.com/questions/9324760/…

Josef
– Josef

2015-02-21 22:47:50 +00:00
Commented Feb 21, 2015 at 22:47 — Josef
– Josef, Commented Feb 21, 2015 at 22:47

Nithin A Y · Accepted Answer · 2016-09-21 12:25:53Z

8

This may work for you , Try it once.

anonId = result.get("anonid") != JsonNull.INSTANCE ? result.get("anonid").getAsString() : null;

or

anonId = !result.get("anonid").isJsonNull() ? result.get("anonid").getAsString() : null

edited Sep 21, 2016 at 12:25

answered Sep 21, 2016 at 12:20

Nithin A Y

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Paul Roub · Accepted Answer · 2020-08-25 18:54:10Z

1

if (instance instanceof JsonNull) return true

Worked for me

edited Aug 25, 2020 at 18:54

Paul Roub

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answered Aug 25, 2020 at 18:43

Shahid Hussain Abbasi

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