The absolute uri: http://java.sun.com/jstl/core cannot be resolved in either web.xml or the jar files deployed with this application
检查jstl版本，将jstl.jar替换为jstl-1.2.jar
详细问题介绍
http://java.sun.com/jstl/core cannot be resolved
原文：http://my.oschina.net/moxun/blog/504529