严重: Error configuring application listener of class [org.springframework.web.context.ContextLoaderLi

Maven项目莫突然报了一大堆错误，用maven更新后又报这个错误

严重: 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:1328)
at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1156)
at
org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:546)
at
org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:527)
at
org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:150)
at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4714)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5256)
at
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1423) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1413)
at java.util.concurrent.FutureTask.run(FutureTask.java:266) at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

可能需要导入项目依赖

解决：

1. 点击项目右键运行properties
2. 选择Deployment，点击add

4. 选择Java Build Path Enties



5. 选择maven完成