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java.lang.IllegalArgumentException: Class org.jboss.seam.jsf.SeamNavigationHandler is no javax.faces.application.NavigationHandler	at org.apache.myfaces.config.FacesConfigurator.getApplicationObject(FacesConfigurator.java:536)	at org.apache.myfaces.config.FacesConfigurator.configureApplication(FacesConfigurator.java:458)	at org.apache.myfaces.config.FacesConfigurator.configure(FacesConfigurator.java:141)	at org.apache.myfaces.webapp.StartupServletContextListener.initFaces(StartupServletContextListener.java:66)	at org.apache.myfaces.webapp.StartupServletContextListener.contextInitialized(StartupServletContextListener.java:49)	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3729)	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4187)	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)