Get model from controller to jsp page - spring

Question

I try to figure out what wrong that I cannot get arraylist from controller to my jsp page. Here I post my code if can somebody find out where could be the problem. Thanks in advance.
web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
id="StudentWebApp" version="3.0">
<display-name>Archetype Created Web Application</display-name>
<servlet>
<servlet-name>mvc-dispatcher-servlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/mvc-dispatcher-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc-dispatcher-servlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
mvc-dispatcher-servlet:
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<context:component-scan base-package="cz.webapp.student"/>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix">
<value>/WEB-INF/view/</value>
</property>
<property name="suffix">
<value>.jsp</value>
</property>
</bean>
</beans>
controller:
/*
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* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package cz.webapp.student.controllers;
import cz.webapp.student.entity.Student;
import cz.webapp.student.service.StudentService;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import static org.springframework.web.bind.annotation.RequestMethod.GET;
import org.springframework.web.bind.annotation.RequestParam;
/**
*
* #author Jenda
*/
#Component
#RequestMapping("/StudentWebApp/*")
public class StudentController {
#Autowired
StudentService studentServiceImpl;
#RequestMapping(value="/students", method=GET)
public String showAllStudent(Map<String, Object> model){
List<Student> studentList = studentServiceImpl.findAll();
///Zkouška dat
studentList.add(new Student(1,"Martina", 25));
model.put("students", studentList);
return "StudentWebApp/index";
}
}
index.jsp:

Answer 1

Your return type in showAllStudent should be changed to ModelAndView.
#RequestMapping(value="/students", method=GET)
public ModelAndView showAllStudent(Map<String, Object> model){
List<Student> studentList = studentServiceImpl.findAll();
studentList.add(new Student(1,"Martina", 25));
model.put("students", studentList);
return new ModelAndView("StudentWebApp/index", model);
}