JSF ViewExpiredException without cookies.

14:17:27,508 ERROR [io.undertow.request] (default task-5) Servlet request failed HttpServerExchange{ POST /weld-numberguess/home.jsf}: javax.servlet.ServletException: viewId:/home.jsf - View /home.jsf could not be restored.
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:659) [jboss-jsf-api_2.2_spec-2.2.1.jar:2.2.1]
        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:87) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.websockets.jsr.JsrWebSocketFilter.doFilter(JsrWebSocketFilter.java:136) [undertow-websockets-jsr-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:56) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.websockets.jsr.JsrWebSocketFilter.doFilter(JsrWebSocketFilter.java:136) [undertow-websockets-jsr-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:56) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:56) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
        at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:113) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.security.handlers.AuthenticationCallHandler.handleRequest(AuthenticationCallHandler.java:52) [undertow-core-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:45) [undertow-core-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:65) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:70) [undertow-core-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Beta7.jar:1.0.0.Beta7]
        at org.wildfly.extension.undertow.security.SecurityContextCreationHandler.handleRequest(SecurityContextCreationHandler.java:54)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:207) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:194) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:72) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:128) [undertow-servlet-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.server.HttpHandlers.executeRootHandler(HttpHandlers.java:36) [undertow-core-1.0.0.Beta7.jar:1.0.0.Beta7]
        at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:628) [undertow-core-1.0.0.Beta7.jar:1.0.0.Beta7]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_40]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_40]
        at java.lang.Thread.run(Thread.java:724) [rt.jar:1.7.0_40]
Caused by: javax.faces.application.ViewExpiredException: viewId:/home.jsf - View /home.jsf could not be restored.
        at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:210) [jsf-impl-2.2.1-jbossorg-1.jar:]
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.2.1-jbossorg-1.jar:]
        at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:121) [jsf-impl-2.2.1-jbossorg-1.jar:]
        at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198) [jsf-impl-2.2.1-jbossorg-1.jar:]
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:646) [jboss-jsf-api_2.2_spec-2.2.1.jar:2.2.1]
        ... 29 more