Exception: sending context initialized event to listener
mysql 5.0
Tomcat 5.5
Jbpm 3.1
Exception sending context initialized event to listener instance of class
org.apache.myfaces.webapp.StartupServletContextListener
java.lang.NoClassDefFoundError: org/apache/commons/collections/ArrayStack
at org.apache.commons.digester.Digester.(Digester.java:185)
at org.apache.myfaces.config.impl.digester.DigesterFacesConfigUnmarshallerImpl.
(DigesterFacesConfigUnmarshallerImpl.java:42)
at org.apache.myfaces.config.FacesConfigurator.configure(FacesConfigurator.java:110)
at org.apache.myfaces.webapp.StartupServletContextListener.initFaces
(StartupServletContextListener.java:63)
at org.apache.myfaces.webapp.StartupServletContextListener.contextInitialized
(StartupServletContextListener.java:46)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3727)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4162)
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.deployWAR(HostConfig.java:804)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:693)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:472)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1118)
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: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:700)
at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:275)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2006-4-3 16:11:29 org.apache.catalina.core.ApplicationContext log
Please help me. Thank you!
