jsf addon 2 compile ok,but when run it show javax.servlet.ServletException: /templates/layout.xhtml @8,63 locale="#{localeBean.locale}" Attribute did not evaluate to a String or Locale: null

i use 9cea854567d339735bbf140e579f13dd98a8a2dd version code , and add jsf addon 2.0 , use mysql reverse,
perform test, and mvn package success. and i use chinese OS, when i use tomcat run,

error. localbean.locale is null, where i can set locale, i see the doc, show set

<?xml version='1.0' encoding='UTF-8'?>
<faces-config version="1.2"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd">

<application>
<locale-config>
<default-locale>en</default-locale>
<supported-locale>en</supported-locale>
<supported-locale>zh_CN</supported-locale>
</locale-config>
<el-resolver>org.springframework.web.jsf.el.SpringBeanFacesELResolver</el-resolver>
</application>

</faces-config>

i add faces-context.xml or faces-config.xml in WEB-INF.
but error still there.

Where should i config the the localbean.locale? and while config file?

The error log show follow:
ype Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

HTTP Status 500 -
exception

javax.servlet.ServletException: /templates/layout.xhtml @8,63 locale="#

{localeBean.locale}" Attribute did not evaluate to a String or Locale: null
javax.faces.webapp.FacesServlet.service(FacesServlet.java:606)
org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:113)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
root cause

javax.faces.view.facelets.TagAttributeException: /templates/layout.xhtml @8,63 locale="#{localeBean.locale}

" Attribute did not evaluate to a String or Locale: null
com.sun.faces.facelets.tag.jsf.ComponentSupport.getLocale(ComponentSupport.java:297)
com.sun.faces.facelets.tag.jsf.core.ViewHandler.apply(ViewHandler.java:128)
javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93)
javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:86)
com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:308)
com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:367)
com.sun.faces.facelets.impl.DefaultFacelet.include(DefaultFacelet.java:346)
com.sun.faces.facelets.impl.DefaultFaceletContext.includeFacelet(DefaultFaceletContext.java:199)
com.sun.faces.facelets.tag.ui.CompositionHandler.apply(CompositionHandler.java:155)
com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93)
com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:86)
com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:152)
com.sun.faces.application.view.FaceletViewHandlingStrategy.buildView(FaceletViewHandlingStrategy.java:769)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:100)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
org.springframework.orm.jpa.support.OpenEntityManagerInViewFilter.doFilterInternal(OpenEntityManagerInViewFilter.java:113)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.6 logs.

Apache Tomcat/7.0.6