HttpSesstionActivationLIstener示例：

http://www.cnblogs.com/xdp-gacl/p/3969249.html

钝化的session会已sessionid为文件名，存储于\apache-tomcat-7.0.35\work\Catalina\localhost\TestBootWeb\stono目录下面；

META-INF/context.xml:

 

HttpSessionActivationListener:

package com.stono.servlet.listeners;import java.io.Serializable;import javax.servlet.http.HttpSessionActivationListener;import javax.servlet.http.HttpSessionEvent;/* 文档中提到进行JVM迁移的时候才能激发此事件； */public class MyHttpSessionActivationListener implements HttpSessionActivationListener, Serializable {    private static final long serialVersionUID = 1L;    public MyHttpSessionActivationListener() {    }    public MyHttpSessionActivationListener(String name) {        this.name = name;    }    private String name;    public String getName() {        return name;    }    @Override    public void sessionDidActivate(HttpSessionEvent arg0) {        System.out.println("com.stono.servlet.listeners.MyHttpSessionActivationListener.sessionDidActivate(HttpSessionEvent):" + arg0.getSession().getId());    }    @Override    public void sessionWillPassivate(HttpSessionEvent arg0) {        System.out.println("com.stono.servlet.listeners.MyHttpSessionActivationListener.sessionWillPassivate(HttpSessionEvent):" + arg0.getSession().getId());    }    public void setName(String name) {        this.name = name;    }}

 

servlet:

package com.stono.servlet.listenerorder;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;import com.stono.servlet.listeners.MyHttpSessionActivationListener;public class TestServlet1 extends HttpServlet {    private static final long serialVersionUID = 1L;    @Override    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {        HttpSession session = req.getSession();        session.setAttribute("a", new MyHttpSessionActivationListener("stono"));        PrintWriter writer = resp.getWriter();        writer.println("this is from com.stono.servlet.listenerorder.TestServlet1");    }}