HTTP Status 500

HTTP Status 500 - java.lang.ClassNotFoundException: org.apache.jsp.index_jsp

type Exception report

message java.lang.ClassNotFoundException: org.apache.jsp.index_jsp

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: java.lang.ClassNotFoundException: org.apache.jsp.index_jsp
    org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:177)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:376)
    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)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause

java.lang.ClassNotFoundException: org.apache.jsp.index_jsp
    java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    java.security.AccessController.doPrivileged(Native Method)
    java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:132)
    org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:63)
    org.apache.jasper.servlet.JspServletWrapper.getServlet(JspServletWrapper.java:172)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:376)
    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)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.67 logs.

Apache Tomcat/7.0.67

错误原因：最近从eclipse转到IDEA，由于eclipse中的jstl的jar包会用eclipse自带的帮你导入，打包进tomcat，但是IDEA不会帮你完成这些，这个错误就是因为没有导入jstl的jar包导致的。

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

使用这个需要在IDEA中导入自己的jstl jar