What is the reason of this exception?
javax.faces.FacesException: java.lang.ClassCastException: org.
apache.myfaces.renderkit.html.util.ExtensionsPhaseListener
at com.sun.faces.config.ConfigureListener.contextInitialized
(ConfigureListener.java:310)
at org.apache.catalina.core.StandardContext.listenerStart
(StandardContext.java:3692)
at org.apache.catalina.core.StandardContext.start(StandardContext.
java:4127)
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 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.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.
java:503)
at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.
java:164)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:
659)
at org.apache.catalina.core.StandardContext.init(StandardContext.
java:5031)
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.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.
java:503)
at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.
java:164)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:
659)
at org.jboss.web.tomcat.tc5.TomcatDeployer.performDeployInternal
(TomcatDeployer.java:297)
at org.jboss.web.tomcat.tc5.TomcatDeployer.performDeploy
(TomcatDeployer.java:103)
at org.jboss.web.AbstractWebDeployer.start(AbstractWebDeployer.
java:371)
at org.jboss.web.WebModule.startModule(WebModule.java:83)
at org.jboss.web.WebModule.startService(WebModule.java:61)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStart
(ServiceMBeanSupport.java:289)
at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle
(ServiceMBeanSupport.java:245)
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.jboss.mx.interceptor.ReflectedDispatcher.invoke
(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke
(AbstractMBeanInvoker.java:260)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:
659)
at org.jboss.system.ServiceController$ServiceProxy.invoke
(ServiceController.java:974)
at $Proxy0.start(Unknown Source)
at org.jboss.system.ServiceController.start(ServiceController.java:
417)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke
(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke
(AbstractMBeanInvoker.java:260)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:
659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:190)
at $Proxy47.start(Unknown Source)
at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.
java:469)
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.jboss.mx.interceptor.ReflectedDispatcher.invoke
(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke
(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke
(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.interceptor.DynamicInterceptor.invoke
(DynamicInterceptor.java:97)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke
(AbstractMBeanInvoker.java:260)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:
659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:190)
at $Proxy48.start(Unknown Source)
at org.jboss.deployment.MainDeployer.start(MainDeployer.java:
1007)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:
808)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:
771)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke
(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke
(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke
(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke
(AbstractMBeanInvoker.java:260)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:
659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:190)
at $Proxy6.deploy(Unknown Source)
at org.jboss.deployment.scanner.URLDeploymentScanner.deploy
(URLDeploymentScanner.java:334)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan
(URLDeploymentScanner.java:522)
at org.jboss.deployment.scanner.
AbstractDeploymentScanner$ScannerThread.doScan
(AbstractDeploymentScanner.java:207)
at org.jboss.deployment.scanner.
AbstractDeploymentScanner$ScannerThread.loop
(AbstractDeploymentScanner.java:218)
at org.jboss.deployment.scanner.
AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.
java:197)
Caused by: java.lang.ClassCastException: org.apache.myfaces.
renderkit.html.util.ExtensionsPhaseListener
at com.sun.faces.config.ConfigureListener.configure
(ConfigureListener.java:699)
at com.sun.faces.config.ConfigureListener.configure
(ConfigureListener.java:371)
at com.sun.faces.config.ConfigureListener.contextInitialized
(ConfigureListener.java:306)
... 86 more
21:07:38,234 INFO [FacesConfigurator] Reading standard config
org/apache/myfaces/resource/standard-faces-config.xml
