jsp如何包含一个servlet？

想要包含一个servlet得用下列的方法，it is alleged that include file="servlet1" can not work。
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例 4.4.2
<html>
<body>
    <jsp:include page="/Cookie/DeleteCookie" flush="true" />
</body>
</html>

package com;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class DeleteCookie extends HttpServlet {
    protected void doGet(HttpServletRequest request,
            HttpServletResponse response) throws ServletException, IOException {
        System.out.println("hello");
    }
}


输出结果是：
hello