java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener

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.WebappClassLoader.loadClass(WebappClassLoader.java:1714)     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)     at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:532)     at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:514)     at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:133)     at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4727)     at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)     at java.util.concurrent.FutureTask.run(FutureTask.java:266)     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)     at java.lang.Thread.run(Thread.java:745)

一月 15, 2019 2:36:32 下午 org.apache.catalina.core.StandardContext listenerStart 严重: Error configuring application listener of class com.open1111.service.impl.InitComponent java.lang.NoClassDefFoundError: org/springframework/context/ApplicationContextAware     at java.lang.ClassLoader.defineClass1(Native Method)     at java.lang.ClassLoader.defineClass(ClassLoader.java:760)     at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)     at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2904)     at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)     at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:532)     at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:514)     at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:133)     at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4727)     at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5285)     at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)     at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)     at java.util.concurrent.FutureTask.run(FutureTask.java:266)     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)     at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.ClassNotFoundException: org.springframework.context.ApplicationContextAware     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)     at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)     ... 19 more

一月 15, 2019 2:36:32 下午 org.apache.catalina.core.StandardContext listenerStart 严重: Skipped installing application listeners due to previous error(s) 一月 15, 2019 2:36:32 下午 org.apache.catalina.core.StandardContext startInternal 严重: Error listenerStart 一月 15, 2019 2:36:32 下午 org.apache.catalina.core.StandardContext startInternal 严重: Context [/Open1111] startup failed due to previous errors 一月 15, 2019 2:36:32 下午 org.apache.coyote.AbstractProtocol start 信息: Starting ProtocolHandler ["http-bio-8080"] 一月 15, 2019 2:36:32 下午 org.apache.coyote.AbstractProtocol start 信息: Starting ProtocolHandler ["ajp-bio-8009"] 一月 15, 2019 2:36:32 下午 org.apache.catalina.startup.Catalina start 信息: Server startup in 1384 ms  

这个异常是因为我们没有将maven库映射到WEB-INF/lib下，
解决方法为：
右击项目-->点击property-->点击deployment assembly-->点击add-->点击 java build path entires -->点击next-->点击maven dependencies-->点击finish然后重启项目