Error on start tomcat with myeclipse
===

I need to know why this error comes when I am trying to start the tomcat server with myEclipse IDE. The server is running but this type of error is coming.

Could any one help me ?

The Error like this :-


> 
> java.lang.ClassFormatError: Extra bytes at the end of class file
> listeners/ContextListener 	at
> java.lang.ClassLoader.defineClass1(Native Method) 	at
> java.lang.ClassLoader.defineClass(ClassLoader.java:620) 	at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
> 	at
> org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1812)
> 	at
> org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:866)
> 	at
> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1319)
> 	at
> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1198)
> 	at
> org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3677)
> 	at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4183)
> 	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:904)
> 	at
> org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:867)
> 	at
> org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
> 	at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1112)
> 	at
> org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
> 	at
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
> 	at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1021)
> 	at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
> 	at
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
> 	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:709)
> 	at org.apache.catalina.startup.Catalina.start(Catalina.java:551) 	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:275) 	at
> org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)