The clocks in the emporium app stop ticking after several hours. Looking through the server logs the only thing of interest was the following:
SEVERE: Error Rendering View[/auction.xhtml]
java.lang.StringIndexOutOfBoundsException: String index out of range: 4
        at java.lang.String.substring(String.java:1934)
        at org.icefaces.util.UserAgentInfo.isMobileBrowser(UserAgentInfo.java:191)
        at org.icefaces.util.UserAgentContext.detectFormFactor(UserAgentContext.java:83)
        at org.icefaces.util.UserAgentContext.<init>(UserAgentContext.java:59)
        at org.icefaces.util.UserAgentContext.getInstance(UserAgentContext.java:219)
        at org.icefaces.impl.event.RestoreResourceDependencies.processEvent(RestoreResourceDependencies.java:43)
        at javax.faces.event.SystemEvent.processListener(SystemEvent.java:108)
        at javax.faces.event.ComponentSystemEvent.processListener(ComponentSystemEvent.java:118)
        at com.sun.faces.application.ApplicationImpl.processListeners(ApplicationImpl.java:2169)
        at com.sun.faces.application.ApplicationImpl.invokeListenersFor(ApplicationImpl.java:2142)
        at com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:301)
        at com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:245)
        at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:857)
        at javax.faces.component.UIViewRoot.encodeBegin(UIViewRoot.java:985)
        at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1854)
        at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:458)
        at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:134)
        at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:337)
        at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
        at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:219)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:659)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.icesoft.util.servlet.RequestLoggerFilter.doFilter(RequestLoggerFilter.java:74)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.icesoft.util.servlet.CustomHeaderFilter.doFilter(CustomHeaderFilter.java:82)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:307)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Nov 2, 2016 4:29:05 AM org.icefaces.demo.emporium.settings.SettingsBean initSettingsBean
INFO: User initialized with SettingsBean: User #45706 from North America using theme cupertino with fg/bg colors rgba(0, 0, 0, 0.9)/rgba(176, 196, 222, 0.9)