访问页面异常：nested exception is java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config

下面是报错

HTTP Status 500 - Handler processing failed; nested exception is java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config

type Exception report

message Handler processing failed; nested exception is java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config

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

exception
org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config
org.springframework.web.servlet.DispatcherServlet.triggerAfterCompletionWithError(DispatcherServlet.java:1305)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:979)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:895)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858)
javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause
java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config
org.springframework.web.servlet.support.JstlUtils.exposeLocalizationContext(JstlUtils.java:101)
org.springframework.web.servlet.view.JstlView.exposeHelpers(JstlView.java:135)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:142)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1246)
org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1029)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:973)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:895)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858)
javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause
java.lang.ClassNotFoundException: javax.servlet.jsp.jstl.core.Config
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1305)
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1139)
org.springframework.web.servlet.support.JstlUtils.exposeLocalizationContext(JstlUtils.java:101)
org.springframework.web.servlet.view.JstlView.exposeHelpers(JstlView.java:135)
org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:142)
org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1246)
org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1029)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:973)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:895)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:967)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:858)
javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:843)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
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/8.0.33 logs.

没有找到Java Class的异常

JSTL（JSP Standard　Tag　Library　，JSP标准标签库)是一个不断完善的开放源代码的JSP标签库，是由apache的jakarta小组来维护的。

用来解析JSP标签。

需要添加jstl-1.1.2.jar到/WEB-INF/libs下即可。