Might be you won't be aware that you can't use existing portal *JsonSerializer.java class in Liferay plugin portlets. So if you want to get JsonArray response of existing liferay service then you can use below code :
For that you just need to add proper Json library(json-lib-2.2.2-jdk15.jar) in portlet lib folder.
Hope this will helpful to you !!!!!!!!!
import net.sf.json.JSONArray;
ListmyList = UserLocalserviceUtil.getUsers();
JSONArray jsonArray = JSONArray.fromObject(MyList);
For that you just need to add proper Json library(json-lib-2.2.2-jdk15.jar) in portlet lib folder.
Hope this will helpful to you !!!!!!!!!
Posts
