whats the solution for Cannot cast com.google.gson.JsonArray to com.google.gson.JsonObject

Question

My Json Array looks like this

 [
   {
      "geoRegion":"101",
      "companyName":"101",
      "department":"101",
      "industry":"101",
      "sector":"101",
      "formName":"101",
      "formType":true,
      "fields":[
         {
            "labelId":"102",
            "bizJust":"101"
         },
         {
            "labelId":"103",
            "bizJust":"101"
         },
         {
            "labelId":"104",
            "bizJust":"101"
         },
         {
            "labelId":"129",
            "bizJust":"102"
         },
         {
            "labelId":"128",
            "bizJust":"102"
         },
         {
            "labelId":"144",
            "bizJust":"102"
         },
         {
            "labelId":"143",
            "bizJust":"102"
         }
      ]
   }
]

My code is as following:

    public Map<String,String> createTransaction(String lang) throws Exception {

            Gson gson =new Gson();
            JsonObject jsonObj=gson.fromJson(lang, JsonObject.class);//Exception thrown at this line
}

The solution is to convert to a JsonArray when it's an array, and to a JsonObject when it's an object. — RealSkeptic
– RealSkeptic, Commented Jun 18, 2016 at 9:58

Bosko Mijin · Accepted Answer · 2016-06-18 10:01:04Z

3

Try to get all the content into the JSON Array instead of the JSON Object.

Change your code from

JsonObject jsonObj=gson.fromJson(lang, JsonObject.class);

to:

JsonArray array = gson.fromJson(lang, JsonArray.class);

answered Jun 18, 2016 at 10:01

Bosko Mijin

3,3773 gold badges36 silver badges47 bronze badges

Sign up to request clarification or add additional context in comments.

2 Comments

vaibhav Over a year ago

But then how to fetch the values from this JsonArray

Bosko Mijin Over a year ago

There is a few approaches how to parse JSON Array. You have to know what you need. You can, for example, define your classes get everything you need using gson (better). Or you can parse directly through the structure over loops to get some data, or something third...

Collectives™ on Stack Overflow

whats the solution for Cannot cast com.google.gson.JsonArray to com.google.gson.JsonObject

1 Answer 1

2 Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

2 Comments

Your Answer

Sign up or log in

Post as a guest

Related