大家帮忙看看 weblogic里的问题

[剑事]

<%
Vector tempuser = (Vector)getServletContext().getAttribute("ID");

out.println(tempuser.size());
for(int i=0;i<tempuser.size();i++)
{
out.println(tempuser.elementAt(tempuser.size()-i-1).toString());
}
%>

这段代码运行出现了如下错误

d:\bea\user_projects\domains\mydomain\.\myserver\.wlnotdelete\extract\myserver_jsp_jsp\jsp_servlet\_page\__listuser.java:125: cannot resolve symbol
symbol : method getServletContext ()
location: class jsp_servlet._page.__listuser
Vector tempuser = (Vector)getServletContext().getAttribute("ID"); //
^
[ /page/listuser.jsp; Line: 11]

1 error