SpringMVC 严重 [RMI TCP Connection(2)-127.0.0.1] Error configuring application listener of class

SpringMVC错误：

17-May-2019 16:29:50.668 严重 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.StandardContext.listenerStart Error configuring application listener of class [org.springframework.web.context.ContextLoaderListener] java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1363) ... 17-May-2019 16:29:50.670 严重 [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.StandardContext.listenerStart Skipped installing application listeners due to previous error(s)

问题原因：

Spring包没有导入

解决办法：

File -> Project Structure -> Artifacts
然后右边的两个SpringJar包右键

点击保存-> ok，重新启动项目。