Class Not Found Exception

SEVERE: Error configuring application listener of class org.apache.myfaces.webapp.StartupServletContextListenerjava.lang.ClassNotFoundException: org.apache.myfaces.webapp.StartupServletContextListener at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3617) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4104) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:894) at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:857) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:475) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1102) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020) at org.apache.catalina.core.StandardHost.start(StandardHost.java:718) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442) at org.apache.catalina.core.StandardService.start(StandardService.java:450) at org.apache.catalina.core.StandardServer.start(StandardServer.java:683) at org.apache.catalina.startup.Catalina.start(Catalina.java:537) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:271)

Class Not Found Exception generally occurs when there is no class in the current directory.