▲ web.xml ( 세션유지 시간 설정 ) > MODEL2

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" id="WebApp_ID" version="4.0">

  <display-name>model2</display-name>

  <welcome-file-list>

    <welcome-file>/</welcome-file>

  </welcome-file-list>

  <session-config>

    <session-timeout>240</session-timeout>

  </session-config>

</web-app>

<!-- 세션 유지 시간 추가 : 240 (분 단위)  -->