使用jstl编写代码出现错误
我的代码是<%@pagelanguage="java"import="java.util.*"%><%@tagliburl="http://java.sun.com/js...
我的代码是
<%@ page language="java" import="java.util.*"%>
<%@taglib url="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<body>
<c:out value="aaa"/>
</body>
</html>
错误是
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: /jstl.jsp(2,0) Taglib directive has invalid attribute: url
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:198)
org.apache.jasper.compiler.JspUtil.checkAttributes(JspUtil.java:311)
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:523)
org.apache.jasper.compiler.Node$TaglibDirective.accept(Node.java:671)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2411)
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2417)
org.apache.jasper.compiler.Node$Root.accept(Node.java:495)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361)
org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1763)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:198)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:347)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:327)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:589)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.26 logs.
Apache Tomcat/6.0.26
请各位大神看一下是什么问题，谢谢，本人是新手 展开
<%@ page language="java" import="java.util.*"%>
<%@taglib url="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<html>
<body>
<c:out value="aaa"/>
</body>
</html>
错误是
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: /jstl.jsp(2,0) Taglib directive has invalid attribute: url
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:198)
org.apache.jasper.compiler.JspUtil.checkAttributes(JspUtil.java:311)
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:523)
org.apache.jasper.compiler.Node$TaglibDirective.accept(Node.java:671)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2411)
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2417)
org.apache.jasper.compiler.Node$Root.accept(Node.java:495)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2361)
org.apache.jasper.compiler.Validator.validateExDirectives(Validator.java:1763)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:198)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:347)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:327)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:314)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:589)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.26 logs.
Apache Tomcat/6.0.26
请各位大神看一下是什么问题，谢谢，本人是新手 展开
1个回答
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确保你的工程中添加了jstl.jar和standard.jar,
然后嵌入：<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
然后嵌入：<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
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