HTTP Status 500 – Internal Server Error

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:56)
	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:445)
	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:117)
	org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:325)
	org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:154)
	org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:419)
	org.apache.jasper.compiler.Parser.parseDirective(Parser.java:484)
	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:660)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:378)
	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)
	com.imooc.servlet.ListServlet.doGet(ListServlet.java:44)
	com.imooc.servlet.ListServlet.doPost(ListServlet.java:49)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:731)

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

嚴重: Servlet.service() for servlet [ListServlet] in context with path [/MicroMessage] threw exception [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] with root cause

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

at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:56)

at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:445)

at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:117)

at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:325)

at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:154)

Apache Tomcat/7.0.91