JSTL表达式的问题？

解决JSP中c:out标签错误

最新推荐文章于 2019-04-03 23:08:17 发布

最新推荐文章于 2019-04-03 23:08:17 发布 · 200 阅读

文章标签：

我在做例子时总是说这行有错误<c:out value="${error}"></c:out>
错误如下：
org.apache.jasper.JasperException: /WEB-INF/fail.jsp(29,2) According to TLD or attribute directive in tag file, attribute value does not accept any expressions
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:39)
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:357)
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:141)
org.apache.jasper.compiler.Validator$ValidateVisitor.checkXmlAttributes(Validator.java:940)
org.apache.jasper.compiler.Validator$ValidateVisitor.visit(Validator.java:695)
org.apache.jasper.compiler.Node$CustomTag.accept(Node.java:1441)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Node$Visitor.visitBody(Node.java:2213)
org.apache.jasper.compiler.Node$Visitor.visit(Node.java:2219)
org.apache.jasper.compiler.Node$Root.accept(Node.java:456)
org.apache.jasper.compiler.Node$Nodes.visit(Node.java:2163)
org.apache.jasper.compiler.Validator.validate(Validator.java:1474)
org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:214)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:422)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:507)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:274)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:111)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:250)
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:965)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:744)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:663)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:394)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:358)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
jsp页面代码如下：
[code]<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%@ taglib prefix="c" uri="/WEB-INF/c.tld" %>
<%@ taglib prefix="fmt" uri="/WEB-INF/fmt.tld" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>ok</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">


</head>

<body>
<c:out value="${error}"></c:out><br>
</body>
</html>[/code]