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

프로젝트 >> properties >> Deployment Assembly를 선택한 후,

"Add" >> Java Build Path Entries >> Maven Dependencies 선택한 후, "Apply"를 해준다.

아래와 같은 에러시 

심각: 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:1720)

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)

at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:529)

at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:511)

at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:139)

at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4888)

at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5467)

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:262)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

at java.lang.Thread.run(Thread.java:745)