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This exception has no message.
java.lang.NullPointerException: 	at com.sun.faces.application.WebappLifecycleListener.syncSessionScopedBeans(WebappLifecycleListener.java:312)	at com.sun.faces.application.WebappLifecycleListener.requestDestroyed(WebappLifecycleListener.java:87)	at com.sun.faces.config.ConfigureListener.requestDestroyed(ConfigureListener.java:240)	at com.ibm.ws.webcontainer.webapp.WebApp.notifyServletRequestDestroyed(WebApp.java:1559)	at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:655)	at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:464)	at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3168)	at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:254)	at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811)	at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1433)	at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:96)	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:465)	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:394)	at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:102)	at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:152)	at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:213)	at com.ibm.io.async.AbstractAsyncFuture.fireCompletionActions(AbstractAsyncFuture.java:195)	at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)	at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:194)	at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:741)	at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:863)	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1469)