Your myList instance variable is not initialized with the data you want to
display.
> Date: Sat, 5 Mar 2011 05:59:28 -0800
> From: shekharlaa...@gmail.com
> To: user@struts.apache.org
> Subject: display data of action class on jsp in struts2
>
>
> i m new to struts2,rest plugin and i m tring to retrieve data from database
> through jpa and display it on jsp.
> my action class successfully running and retrieving the data but unable to
> show it on my jsp page.so if any body have idea about it please help me
> my action class is
>
> [code]
>
> package com.action;
>
> import java.util.Iterator;
> import java.util.List;
>
> import javax.persistence.EntityManager;
> import javax.persistence.EntityManagerFactory;
> import javax.persistence.EntityTransaction;
> import javax.persistence.Persistence;
> import javax.persistence.Query;
>
> import org.apache.struts2.convention.annotation.*;
> import org.apache.struts2.rest.DefaultHttpHeaders;
>
> import com.opensymphony.xwork2.ActionSupport;
>
> @ParentPackage(value="default")
> @Namespace("/")
> @ResultPath(value="/")
>
>
> public class noOfUsers extends ActionSupport {
> /**
> *
> */
> private static final long serialVersionUID = 1L;
>
> private String firstname;
> List myList;
>
> private String user;
>
> @SuppressWarnings("unchecked")
> @Action(value="usersn",results={
> @Result(name="create",type="tiles",location="users")
> })
>
> public static DefaultHttpHeaders create(){
> EntityManagerFactory
> emf=Persistence.createEntityManagerFactory("tujpa");
> EntityManager em=emf.createEntityManager();
> EntityTransaction entr=em.getTransaction();
> entr.begin();
> Query query=em.createQuery("select u.firstname from User u ");
> List myList=query.getResultList();
> System.out.println(myList);
> entr.commit();
> em.close();
> return new DefaultHttpHeaders("create");
> }
>
> public List getMyList(){
> return myList;
> }
> }
>
> [/code ]
>
>
> thanks in advance
> --
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