我有使用 JSF、IceFaces 开发的应用程序并部署在 Tomcat 中，但是当我尝试启动 tomcat 时，我遇到了异常。
SEVERE: Exception sending context initialized event to listener instance of class com.sun.faces.config.GlassFishConfigureListener
java.lang.NoClassDefFoundError: InputFileProgressEvent
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
at java.lang.Class.privateGetPublicMethods(Class.java:2547)
at java.lang.Class.getMethods(Class.java:1410)
at com.sun.faces.config.ManagedBeanFactoryImpl.getMethodsWithAnnotation(ManagedBeanFactoryImpl.java:1164)
at com.sun.faces.config.ManagedBeanFactoryImpl.<init>(ManagedBeanFactoryImpl.java:188)
at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:1201)
at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:772)
at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:529)
at com.sun.faces.config.GlassFishConfigureListener.contextInitialized(GlassFishConfigureListener.java:47)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4971)
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.addChildInternal(ContainerBase.java:901)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:632)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1073)
at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1857)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.ClassNotFoundException: InputFileProgressEvent
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1720)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
... 24 more
May 1, 2015 7:41:59 PM org.apache.catalina.core.StandardContext startInternal
SEVERE: Error listenerStart
May 1, 2015 7:41:59 PM org.apache.catalina.core.StandardContext startInternal
请帮我找出问题所在。