java.lang.NoClassDefFoundError:javax/servlet/jsp/jstl/core/Config

问题点：
java.lang.NoClassDefFoundError:javax/servlet/jsp/jstl/core/Config

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:304)
	org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1286)
	org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
	org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

解决方案：
缺少jstl依赖，导入下面的依赖即可解决

	    <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>