http://java.sun.com/jsp/jstl/core 报错

1、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(DefaultErrorH

2、at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:117)at org.apache.jasper.compiler.TagLibraryInfoImpl.generateTLDLocation(TagLibraryInfoImpl.java:311)at org.apache.jasper.compiler.TagLibraryInfoImpl.<init>(TagLibraryInfoImpl.java:152)

3、at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:410)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