Long Shutdown Sequence in Tomcat

package com.company.status;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.concurrent.TimeUnit;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.log4j.Logger;

public class StatusServlet extends HttpServlet {

    private static Logger log = Logger.getLogger(StatusServlet.class.getName());

    public void init() throws ServletException {
        log.info("StatusServlet.init()");
    }

    public void doGet(HttpServletRequest req, HttpServletResponse res)
            throws ServletException, IOException {

        res.setContentType("text/html");
        PrintWriter w = res.getWriter();
        w.println("<html><head><title>Status Monitor</title></head>");
        w.println("<body><h1>Status monitoring is ONLINE.</h1></body></html>");

        w.flush(); // Commits the response
        w.close();
    }

    public void doPost(HttpServletRequest req, HttpServletResponse res)
            throws ServletException, IOException {
        // ...
    }

    public void destroy() {
        log.info("Entering StatusServlet.destroy()");
        try {
            log.info("Simulating long shutdown sequence.");
            TimeUnit.MINUTES.sleep(5);
            log.info("Simulation complete--sequence finished.");
        } catch (InterruptedException e) {
            log.info("Caught the interrupt exception while sleeping.");
        }
        log.info("Exiting StatusServlet.destroy()");
    }

    public String getServletInfo() {
        return "....";
    }
}