cannot be resolved in either web.xml or the jar files deployed with this application

ゞ浴缸里的玫瑰 2022-06-09 10:50 166阅读 0赞

1、错误描述

严重: Servlet.service() for servlet [jsp] in context with path [/joint] 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:55)
    	at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:277)
    	at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:75)
    	at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTldResourcePath(TagLibraryInfoImpl.java:243)
    	at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:124)
    	at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:421)
    	at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:479)
    	at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1435)
    	at org.apache.jasper.compiler.Parser.parse(Parser.java:139)
    	at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:227)
    	at org.apache.jasper.compiler.ParserController.parse(ParserController.java:100)
    	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:199)
    	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:356)
    	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:336)
    	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:323)
    	at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:585)
    	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:363)
    	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
    	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
    	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
    	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
    	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
    	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
    	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
    	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
    	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
    	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
    	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
    	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
    	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)
    	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)
    	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2508)
    	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2497)
    	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    	at java.lang.Thread.run(Thread.java:748)

2、错误原因

在maven管理的项目中，出现这个错误；查看jsp代码，发现引入了

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

3、解决办法

（1）将jstl.jar有关maven配置放入到pom.xml

（2）jstl.jar存在，需要重新编译项目

cannot be resolved in either web.xml or the jar files deployed with this application

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