第一次写博客,记录一下今天遇到的一个错误

时间：2021-04-29 16:39:00

HTTP Status 500 - /back_page/index.jsp (line: 2, column: 0) 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

type Exception report

message /back_page/index.jsp (line: 2, column: 0) 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 internal error that prevented it from fulfilling this request.

exception 

org.apache.jasper.JasperException: /back_page/index.jsp (line: 2, column: 0) 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:42)
	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:443)
	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:89)
	org.apache.jasper.compiler.Parser.processIncludeDirective(Parser.java:333)
	org.apache.jasper.compiler.Parser.parseIncludeDirective(Parser.java:366)
	org.apache.jasper.compiler.Parser.parseDirective(Parser.java:476)
	org.apache.jasper.compiler.Parser.parseElements(Parser.java:1421)
	org.apache.jasper.compiler.Parser.parse(Parser.java:138)
	org.apache.jasper.compiler.ParserController.doParse(ParserController.java:242)
	org.apache.jasper.compiler.ParserController.parse(ParserController.java:102)
	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:374)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:354)
	org.apache.jasper.compiler.Compiler.compile(Compiler.java:341)
	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:662)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:364)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:395)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.75 logs.





问题描述:这个问题是我直接启动tomcat,访问ROOT下目录的jsp文件出现的,

问题解决:是因为tomcat的lib目录里少了一个jstl.jar包.找了一个放进去就可以正常访问了.

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