今天在重写springaop小demo时，发现调用接口时，可以在控制台上正常返回结果，但是页面报错，debug半天，可以看到是调用了modelview的时候出错,找不到视图了。。

debug的时候控制台报如下错误

15-Nov-2018 14:15:14.250 信息 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log No Spring WebApplicationInitializer types detected on classpath15-Nov-2018 14:15:14.701 信息 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Initializing Spring root WebApplicationContext15-Nov-2018 14:15:15.668 信息 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Initializing Spring FrameworkServlet 'spring'15-Nov-2018 14:15:45.753 严重 [http-apr-8080-exec-8] org.apache.catalina.core.StandardWrapperValve.invoke Servlet.service() for servlet [spring] in context with path [] threw exception [Handler processing failed; nested exception is java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config] with root cause java.lang.ClassNotFoundException: javax.servlet.jsp.jstl.core.Config    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1333)    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1167)    at org.springframework.web.servlet.support.JstlUtils.exposeLocalizationContext(JstlUtils.java:101)    at org.springframework.web.servlet.view.JstlView.exposeHelpers(JstlView.java:135)    at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:142)    at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)    at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1257)    at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1037)    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:980)    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897)    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:94)    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:504)    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:620)    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:502)    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1132)    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2521)    at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2510)    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)    at java.lang.Thread.run(Thread.java:748)

 

网上说是缺少jstl的依赖包，但是启动经理的小demo就正常，原来是自己写的很熟练的接口没有添加@responseBody注解导致

由于是使用的spring-core的依赖，而spring-core里面是有jstl的，所以根本不用重新引入jstl解决此问题！！！！