javax.faces.FacesException: java.lang.UnsupportedOperationException

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javax.faces.FacesException: java.lang.UnsupportedOperationException
at com.sun.faces.config.ConfigureListener$InitFacesContext.getViewRoot(ConfigureListener.java:1690)
at com.sun.faces.util.MessageFactory.getMessage(MessageFactory.java:113)
at com.sun.faces.util.MessageUtils.getExceptionMessageString(MessageUtils.java:277)
at com.sun.faces.util.Util.createInstance(Util.java:477)
at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:671)
at com.sun.faces.config.ConfigureListener.configure(ConfigureListener.java:503)
at com.evermind.server.http.HttpApplication.initDynamic(HttpApplication.java:1130)
at com.evermind.server.http.HttpApplication.(HttpApplication.java:738)
at com.evermind.server.ApplicationStateRunning.getHttpApplication(ApplicationStateRunning.java:414)
at com.evermind.server.Application.getHttpApplication(Application.java:571)
at com.evermind.server.http.HttpSite$HttpApplicationRunTimeReference.createHttpApplicationFromReference(HttpSite.java:1990)
at com.evermind.server.http.HttpSite$HttpApplicationRunTimeReference.(HttpSite.java:1909)
at com.evermind.server.http.HttpSite.initApplications(HttpSite.java:615)
at com.evermind.server.http.HttpSite.setConfig(HttpSite.java:290)
at com.evermind.server.http.HttpServer.setSites(HttpServer.java:270)
at com.evermind.server.http.HttpServer.setConfig(HttpServer.java:177)
at com.evermind.server.ApplicationServer.initializeHttp(ApplicationServer.java:2450)
at com.evermind.server.ApplicationServer.setConfig(ApplicationServer.java:998)
at com.evermind.server.ApplicationServerLauncher.run(ApplicationServerLauncher.java:131)
at java.lang.Thread.run(Thread.java:595)

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