Exception analysis: jstl for jsp pages

[Html]
 

1. Add jstl support to the following code on the jsp page

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

2. If the jsp page reports the following exception

Org. apache. jasper. JasperException: java. lang. ClassNotFoundException: org. apache. jsp. Customer. addCustomerInfo_jsp
Org. apache. jasper. servlet. JspServletWrapper. getServlet (JspServletWrapper. java: 177)
Org. apache. jasper. servlet. JspServletWrapper. service (JspServletWrapper. java: 369)
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: 722)
Org. springframework. orm. hibernate3.support. OpenSessionInViewFilter. doFilterInternal (OpenSessionInViewFilter. java: 198)
Org. springframework. web. filter. OncePerRequestFilter. doFilter (OncePerRequestFilter. java: 76)
Org. springframework. web. filter. CharacterEncodingFilter. doFilterInternal (CharacterEncodingFilter. java: 96)
Org. springframework. web. filter. OncePerRequestFilter. doFilter (OncePerRequestFilter. java: 76)

 

Root cause

Java. lang. ClassNotFoundException: org. apache. jsp. Customer. addCustomerInfo_jsp
Java.net. URLClassLoader $ 1.run( URLClassLoader. java: 200)
Java. security. AccessController. doPrivileged (Native Method)
Java.net. URLClassLoader. findClass (URLClassLoader. java: 188)
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: 369)
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: 722)
Org. springframework. orm. hibernate3.support. OpenSessionInViewFilter. doFilterInternal (OpenSessionInViewFilter. java: 198)
Org. springframework. web. filter. OncePerRequestFilter. doFilter (OncePerRequestFilter. java: 76)
Org. springfr

Amework. web. filter. CharacterEncodingFilter. doFilterInternal (CharacterEncodingFilter. java: 96)

Org. springframework. web. filter. OncePerRequestFilter. doFilter (OncePerRequestFilter. java: 76)

It is likely that your Tomcat lib directory does not contain the jstl jar package, so tomcat cannot parse jstl.

Solution: add the jstl jar package to the tomcat lib directory.