maven jstl 报错

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:55)

	org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:277)

	org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:75)

	org.apache.jasper.compiler.TagLibraryInfoImpl.generateTldResourcePath(TagLibraryInfoImpl.java:250)

	org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:125)

	org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:421)

	org.apache.jasper.compiler.Parser.parseDirective(Parser.java:479)

	org.apache.jasper.compiler.Parser.parseElements(Parser.java:1435)

	org.apache.jasper.compiler.Parser.parse(Parser.java:139)

	org.apache.jasper.compiler.ParserController.doParse(ParserController.java:227)

	org.apache.jasper.compiler.ParserController.parse(ParserController.java:100)

	org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:201)

	org.apache.jasper.compiler.Compiler.compile(Compiler.java:358)

	org.apache.jasper.compiler.Compiler.compile(Compiler.java:338)

	org.apache.jasper.compiler.Compiler.compile(Compiler.java:325)

	org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:580)

	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:363)

	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)

	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)

	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

	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.

解决办法tomcat版本不对，我改成tomcat7或者tomcat9就好了

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