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jsp getServletContext() error

html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Murach's Java Servlets and JSP</title>
</head>

<body>
    <%-- import packages and classes needed by the scripts --%>
    <%@ page import="business.*, data.*" %>

    <%
        //get parameters from the request
        String firstName = request.getParameter("firstName");
        String lastName = request.getParameter("lastName");
        String emailAddress = request.getParameter("emailAddress");

        // get the real path for the EmailList.txt file
        ServletContext sc = this.getServletContext();
        String path = sc.getRealPath("/WEB-INF/EmailList.txt");

        // use regular Java objects
        User user = new User(firstName, lastName, emailAddress);
        UserIO.add(user, path);
    %>
    <h1>Thanks for joining our email list</h1>
    <p>Here is the information that you entered: </p>
    <table cellspacing="5" cellpadding="5" border="1">
  开发者_开发技巧      <tr>
            <td align="right">First name:</td>
            <td><%= firstName %></td>
        </tr>
        <tr>
            <td align="right">Last name:</td>
            <td><%= lastName %></td>
        </tr>
        <tr>
            <td align="right">Email Address:</td>
            <td><%= emailAddress %></td>
        </tr>
    </table>

    <p>To enter another email address, click on the Back <br />
    button in your browser or the Return button shown <br />
    below.</p>

    <form action="index.jsp" method="post">
        <input type="submit" value="Return" />
    </form>

</body>
</html>

and it's giving me this error page...

Compilation of 'C:\bea\user_projects\domains\mydomain.\myserver.wlnotdelete\extract\myserver_sample01_WebContent\jsp_servlet__display_email_entry.java'

failed: C:\bea\user_projects\domains\mydomain.\myserver.wlnotdelete\extract\myserver_sample01_WebContent\jsp_servlet__display_email_entry.java:140: cannot resolve symbol

probably occurred due to an error in /display_email_entry.jsp line 19:

ServletContext sc = this.getServletContext();

Full compiler error(s): C:\bea\user_projects\domains\mydomain.\myserver.wlnotdelete\extract\myserver_sample01_WebContent\jsp_servlet__display_email_entry.java:140: cannot resolve symbol

symbol : method getServletContext ()

location: class jsp_servlet.__display_email_entry

    ServletContext sc = this.getServletContext(); //[ /display_email_entry.jsp; Line:19]                                    ^

1 error

Thu Jun 03 15:56:09 CST 2010

any hint? I'm really new to JSP, and this is my first learning practice... can't find it by google.com....

thanks!


JSPs in Weblogic behaves differently from Tomcat with respect to getServletContext

Replace ServletContext sc = this.getServletContext();

to ServletContext sc = getServletConfig().getServletContext();

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