The absolute uri: cannot be resolved in either web.xml or the jar files

SEVERE: Servlet.service() for servlet jsp threw exception
org.apache.jasper.JasperException: /home.jsp (line: 19, column: 0) 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

SEVERE: Servlet.service() for servlet [jsp] in context with path [] threw exception [/home.jsp (line: 19, column: 0) 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]
with root cause

org.apache.jasper.JasperException: /home.jsp (line: 19, column: 0) 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

SEVERE: Servlet.service() for servlet jsp threw exception

java.lang.ClassNotFoundException: org.apache.jsp.home_jsp

同时报两个错，absolute uri，jstl引用出错

classNotFound错

之前走了弯路，jsp没有转成classes，以为是tomcat出错，servlet-api之类的冲突，因为确实没看到classes

后来发现还是uri，jstl的问题，出错了当然编译不通过

解决方法：改jstl的maven引用，重新编译maven，jdk选择jdk7（我本地环境是7），之前还不小心勾了jdk8


后来把jdk8的勾去掉了