NoSuchElementException after upgrade from Beta13 to Beta14

SEVERE [javax.enterprise.resource.webcontainer.jsf.application] (default task-45) Error Rendering View[/index.xhtml]: java.util.NoSuchElementException
	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:929) [rt.jar:1.7.0_40]
	at java.util.HashMap$KeyIterator.next(HashMap.java:960) [rt.jar:1.7.0_40]
	at io.undertow.servlet.spec.HttpServletRequestImpl.getParameterNames(HttpServletRequestImpl.java:605) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at com.sun.faces.context.RequestParameterMap.getEntryIterator(RequestParameterMap.java:126) [jsf-impl-2.1.26.jar:2.1.26]
	at com.sun.faces.context.BaseContextMap$EntrySet.iterator(BaseContextMap.java:166) [jsf-impl-2.1.26.jar:2.1.26]
	at com.sun.faces.context.BaseContextMap$BaseSet.size(BaseContextMap.java:154) [jsf-impl-2.1.26.jar:2.1.26]
	at java.util.Collections$UnmodifiableCollection.size(Collections.java:1055) [rt.jar:1.7.0_40]
	at java.util.AbstractMap.size(AbstractMap.java:84) [rt.jar:1.7.0_40]
	at java.util.AbstractMap.isEmpty(AbstractMap.java:93) [rt.jar:1.7.0_40]
	at java.util.Collections$UnmodifiableMap.isEmpty(Collections.java:1336) [rt.jar:1.7.0_40]
	at com.sun.faces.facelets.util.DevTools.writeVariables(DevTools.java:330) [jsf-impl-2.1.26.jar:2.1.26]
	at com.sun.faces.facelets.util.DevTools.writeVariables(DevTools.java:199) [jsf-impl-2.1.26.jar:2.1.26]
	at com.sun.faces.facelets.util.DevTools.debugHtml(DevTools.java:186) [jsf-impl-2.1.26.jar:2.1.26]
	at com.sun.faces.facelets.tag.ui.UIDebug.writeDebugOutput(UIDebug.java:140) [jsf-impl-2.1.26.jar:2.1.26]
	at com.sun.faces.facelets.tag.ui.UIDebug.encodeBegin(UIDebug.java:122) [jsf-impl-2.1.26.jar:2.1.26]
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1817) [jsf-api-2.1.26.jar:2.1]
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1822) [jsf-api-2.1.26.jar:2.1]
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1822) [jsf-api-2.1.26.jar:2.1]
	at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:447) [jsf-impl-2.1.26.jar:2.1.26]
	at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125) [jsf-impl-2.1.26.jar:2.1.26]
	at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:286) [jsf-api-2.1.26.jar:2.1]
	at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:286) [jsf-api-2.1.26.jar:2.1]
	at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:286) [jsf-api-2.1.26.jar:2.1]
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120) [jsf-impl-2.1.26.jar:2.1.26]
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.1.26.jar:2.1.26]
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) [jsf-impl-2.1.26.jar:2.1.26]
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594) [jsf-api-2.1.26.jar:2.1]
	at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:87) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:93) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:81)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:113) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.security.handlers.AuthenticationCallHandler.handleRequest(AuthenticationCallHandler.java:52) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:51) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:45) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:55) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:65) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:70) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:25) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:209) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:196) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:69) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:130) [undertow-servlet-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.server.HttpHandlers.executeRootHandler(HttpHandlers.java:36) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:614) [undertow-core-1.0.0.Beta14.jar:1.0.0.Beta14]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_40]
	at java.util.concurrent.ThreadPoolExecutor$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]