SSI项目全局错误不跳转有关问题

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
      <!-- 公共配置信息 -->
    <package name="common" extends="json-default">
        <interceptors>
            <interceptor name="authority" class="com.greenbird.bbs.common.interceptor.AuthorityInterceptor">
            </interceptor>
            <interceptor-stack name="myStack">
                <interceptor-ref name="authority" />
                <interceptor-ref name="timer"/>
                <interceptor-ref name="params"/>
                <interceptor-ref name="defaultStack" />
            </interceptor-stack>
        </interceptors>
        <default-interceptor-ref name="myStack" />
        <!-- 全局跳转页面-->
        <global-results>
            <result name="RoleError">/pages/error/roleError.jsp</result>
            <result name="Login">/index.jsp</result>
            <result name="Error" type="redirect">/error.html</result>
        </global-results>
        <!-- 全局异常跳转 -->
        <global-exception-mappings>
            <exception-mapping result="Error" exception="com.greenbird.bbs.common.exception.BaseException"/>
            <exception-mapping result="Error" exception="java.lang.Exception"/>
        </global-exception-mappings>
    </package>
      <!-- ========== include struts XML  ================================== -->
    <include file="struts/*/*-config.xml" />
</struts>