error loading listener as found in localhost.log

I get the following message in localhost.log after i start tomcat. My application is not starting because of this. Here is the log details.

Jun 8, 2007 11:30:40 AM org.apache.catalina.core.StandardContext listenerStop

SEVERE: Exception sending context destroyed event to listener instance of class com.mmt.admin.HibernateListener

java.lang.NoClassDefFoundError

at com.mmt.admin.HibernateListener.contextDestroyed(HibernateListener.java:35)

at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:3866)

at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4502)

at org.apache.catalina.core.StandardContext.start(StandardContext.java:4366)

at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:760)

at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)

at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)

at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)

at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883)

at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)

at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)

at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)

at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:120)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)

at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)

at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)

at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)

at org.apache.catalina.core.StandardService.start(StandardService.java:448)

at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)

at org.apache.catalina.startup.Catalina.start(Catalina.java:552)

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:288)

at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)

I've checked for the class files. They are there in their respective location.

[2570 byte] By [akhil982a] at [2007-11-15]