jsp中使用taglib出错解决办法

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最新推荐文章于 2025-04-03 23:23:18 发布

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本文介绍了解决JSP中引入JSTL标签库时出现无法解析问题的方法，主要是通过添加缺失的jstl.jar和standard.jar文件到项目的lib目录或Tomcat的lib目录，并重启Tomcat来解决。

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jsp中

<%@taglib uri="http://Java.sun.com/jsp/jstl/core" prefix="c" %>

使用这个，而没有导入 jstl.jar 和standard.jar包，出现以下错误

报错

Type Exception Report

Message 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

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

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
	org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:55)
	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:293)
	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:80)
	org.apache.jasper.compiler.TagLibraryInfoImpl.generateTldResourcePath(TagLibraryInfoImpl.java:251)
	org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:122)
	org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:434)
	org.apache.jasper.compiler.Parser.parseDirective(Parser.java:492)
	org.apache.jasper.compiler.Parser.parseElements(Parser.java:1448)
	org.apache.jasper.compiler.Parser.parse(Parser.java:145)
	org.apache.jasper.compiler.ParserController.doParse(ParserController.java:244)
	org.apache.jasper.compiler.ParserController.parse(ParserController.java:105)
	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:201)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:372)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:349)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:333)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:600)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:368)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

Note The full stack trace of the root cause is available in the server logs.

可以在项目的lib下或者是tomcat的lib目录下拷贝进去jstl.jar 和standard.jar包
然后重新启动tomcat服务器即可。