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java.lang.RuntimeException: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! null
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java.lang.RuntimeException: com.sun.faces.config.ConfigurationException: The tag named passThroughAttribute from namespace has a null handler-class defined
java.lang.NullPointerException: 	at net.sf.ehcache.Cache.initialise(Cache.java:1078)	at org.richfaces.cache.EhCacheCache.start(EhCacheCache.java:49)	at org.richfaces.cache.CacheManager.createCache(CacheManager.java:61)	at org.richfaces.cache.CacheProvider.init(CacheProvider.java:106)	at org.richfaces.services.ServicesFactoryImpl.init(ServicesFactoryImpl.java:54)	at org.richfaces.services.InitializationListener.createFactory(InitializationListener.java:130)	at org.richfaces.services.InitializationListener.onStart(InitializationListener.java:68)	at org.richfaces.services.InitializationListener.processEvent(InitializationListener.java:152)	at javax.faces.event.SystemEvent.processListener(SystemEvent.java:106)	at com.sun.faces.application.ApplicationImpl.processListeners(ApplicationImpl.java:2168)	at com.sun.faces.application.ApplicationImpl.invokeListenersFor(ApplicationImpl.java:2144)	at com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:302)	at org.jboss.as.weld.webtier.jsf.ForwardingApplication.publishEvent(ForwardingApplication.java:288)	at com.sun.faces.config.ConfigManager.publishPostConfigEvent(ConfigManager.java:601)	at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:370)	at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:225)	at org.apache.catalina.core.StandardContext.contextListenerStart(StandardContext.java:3392)	at org.apache.catalina.core.StandardContext.start(StandardContext.java:3850)	at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:90)	at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811)	at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:744)