问题遇到的现象和发生背景
问题相关代码，请勿粘贴截图
代码应该没有问题
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page import="java.util.Map" %>
<%@ page import="java.util.HashMap" %><%--
Created by IntelliJ IDEA.
User: lenovo
Date: 2022/1/30
Time: 10:57
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<table>
<tr>
<th>编号</th>
<th>用户名</th>
<th>密码</th>
<th>年龄</th>
<th>电话</th>
<th>操作</th>
</tr>
<%--
items 表示遍历的集合
var 表示遍历到的数据
begin表示遍历的开始索引值
end 表示结束的索引值
step 属性表示遍历的步长值
varStatus 属性表示当前遍历到的数据的状态
for（int i = 1; i < 10; i+=2）
--%>
<c:forEach begin="2" end="7" step="2" varStatus="status" items="${requestScope.stus}" var="stu">
<tr>
<td>${stu.id}</td>
<td>${stu.username}</td>
<td>${stu.password}</td>
<td>${stu.age}</td>
<td>${stu.phone}</td>
<td>${status.step}</td>
</tr>
</c:forEach>
</table>
</body>
</html>
运行结果及报错内容
这是服务器报错的内容，代码感觉不会出现什么问题
30-Jan-2022 11:22:11.477 严重 [http-apr-8088-exec-9] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [jsp] in context with path [/09el] threw exception [The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application] with root cause
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
