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    我在项目中导入了jar,还是不能使用EL表达式,一运行就出现了下面的额错误:

    org.apache.jasper.JasperException: javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/LoopTag
        org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549)
        org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:455)
        org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
        org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
        org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:170)
        org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:316)
        org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1370)
        org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1116)
        org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1055)
        org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:942)
        org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1005)
        org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:897)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
        org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:882)
        javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)

    在Maven的pom.xml中加入下面的依赖:

       <dependency>
          <groupId>org.apache.taglibs</groupId>
          <artifactId>taglibs-standard-compat</artifactId>
          <version>1.2.5</version>
        </dependency>
        <dependency>
          <groupId>org.apache.taglibs</groupId>
          <artifactId>taglibs-standard-impl</artifactId>
          <version>1.2.5</version>
        </dependency>
        <dependency>
          <groupId>org.apache.taglibs</groupId>
          <artifactId>taglibs-standard-spec</artifactId>
          <version>1.2.5</version>
        </dependency>
        <dependency>
          <groupId>org.apache.taglibs</groupId>
          <artifactId>taglibs-standard-jstlel</artifactId>
          <version>1.2.5</version>
          <scope>provided</scope>
        </dependency>

    就不会报错了

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  • 原文地址:https://www.cnblogs.com/rao11/p/11624488.html
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