我不知道我做错了什么,但我不能包括JSTL.我有jstl-1.2.jar,但不幸的是我得到了例外:
org.apache.jasper.JasperException: The absolute uri: http://java.sun.com/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:51)
at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:409)
at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:116)
at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:315)
at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:148)
at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:429)
at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:492)
at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1439)
at org.apache.jasper.compiler.Parser.parse(Parser.java:137)
at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:255)
at org.apache.jasper.compiler.ParserController.parse(ParserController.java:103)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:170)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:332)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:312)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:299)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:586)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) …
Run Code Online (Sandbox Code Playgroud) <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page import="com.library.controller.*"%>
<%@ page import="com.library.dao.*" %>
<%@ page import="java.util.*" %>
<%@ page import="java.lang.*" %>
<%@ page import="java.util.Date" %>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Return Page</title>
</head>
<body bgcolor="#aabcde">
<div align="right"><a href="Login.jsp">Logout</a></div>
<table align="center" border="2" cellspacing="3" cellpadding="3">
<tr><th>BookID</th><th>BookName</th><th>Issuedate</th><th>returndate</th></tr>
<c:forEach var="element" items="${list}">
<tr>
<td>${element.getBookid}</td><td>${element.getBookname()}</td>
<td>${element.getIssuedate()}</td><td>${element.getReturndate()}</td>
</tr>
</c:forEach>
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Eclipse IDE显示红色下划线,当我关注它时,标记是:找不到http://java.sun.com/jsp/jstl/core的库描述符
我正在使用JSP页面来打印值数组.我正在尝试使用JSTL <c:forEach>
.
<c:forEach items="${objects}" var="object">
<td>${object.name} </td>
</c:forEach>
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问题是我的JSTL taglib声明:
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
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IDE在此行上显示错误
找不到标记库描述符.
许多论坛都指向旧的Sun站点下载JSTL库.现在所有这些链接都指向Oracle主页,没有指向JSTL二进制文件的链接.这让我相信有一种更新的方法来实现这一目标.
我有一个可以用Ant构建的Java EE项目,完美地部署到JBoss,运行没有任何问题.这个项目包括一些自定义标记库(不是JSTL!),它们也没有任何困难.
问题出在Eclipse IDE(Ganymede)上:在每个使用我们自定义标记的JSP文件中,JSP解析器使用此错误标记taglib包含行:
Cannot find the tag library descriptor for (example).tld
这也会导致标签库的每次使用都被标记为错误,并且由于IDE没有它们的定义,因此无法检查标记参数等.
我们完美工作的JSP文件是一个红色错误的海洋,我的眼睛开始燃烧.
我怎样才能简单地告诉Eclipse,"你要找的标签库描述符是"src/web/WEB-INF /(example)-taglib /(example).tld"?
我已经在Eclipse支持论坛上问过这个问题,没有任何有用的结果.
我正在尝试使用JSTL,但是我收到以下错误:
Can not find the tag library descriptor for "http://java.sun.com/jsp/jstl/core"
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这是怎么造成的,我该如何解决?
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