我正在关注链接http://docs.oracle.com/cd/E19798-01/821-1841/bncby/index.html来学习基于表单的身份验证。我已经完成了执行基于表单的身份验证所需的操作,但是在签入角色时我总是取假。这是我的配置。我错过了什么?
AutoBean.java
public void login(){
        HttpServletRequest request = getHttpServletRequest();
        boolean intutRole=request.isUserInRole("TutorialUser");
        System.out.println("intutRole:"+intutRole);
        System.out.println(request.getContentLength());
    }
    protected HttpServletRequest getHttpServletRequest(){
        FacesContext fc = getFacesContext();
        ExternalContext ec = fc.getExternalContext();
        HttpServletRequest request = (HttpServletRequest)ec.getRequest();
        return request;
    }
    protected FacesContext getFacesContext(){
        FacesContext fc = FacesContext.getCurrentInstance();
        return fc;
    }

web.xml
  <!-- Form Based Authentication -->
    <security-constraint>
        <display-name>Constraint1</display-name>
        <web-resource-collection>
            <web-resource-name>wrcoll</web-resource-name>
            <description/>
            <url-pattern>/*</url-pattern>
        </web-resource-collection>
        <auth-constraint>
            <description/>
            <role-name>TutorialUser</role-name>
        </auth-constraint>
    </security-constraint>
    <login-config>
        <auth-method>FORM</auth-method>
        <realm-name>file</realm-name>
        <form-login-config>
            <form-login-page>/login.xhtml</form-login-page>
            <form-error-page>/error.xhtml</form-error-page>
        </form-login-config>
    </login-config>
    <security-role>
        <description/>
        <role-name>TutorialUser</role-name>
    </security-role>