RESTEasy - 当@Path注释在接口上时资源类注册失败

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RESTEasy - 当@Path注释在接口上时资源类注册失败5

环境：RESTEasy 2.0.1.GA, Jboss 4.3.0.GA
接口定义如下：

@Path("/")
public interface SiteBuilderRestfulService {
    @GET
    @Path("accounts/{email}")
    @Produces(MediaType.APPLICATION_JSON)
    @Consumes(MediaType.APPLICATION_FORM_URLENCODED)
    public Account getAccountInfo(@PathParam("email") String email) throws Exception;
｝

当在web.xml配置resteasy.scan=true时工作正常。但是与Spring集成后必须要置为flase，现在的web.xml如下：

<web-app>
    <display-name>Archetype RestEasy Web Application</display-name>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>WEB-INF/applicationContext.xml</param-value>
    </context-param>    
    <context-param>
        <param-name>resteasy.resources</param-name>
        <param-value>com.cwind.rest.CwindRestfulServiceImpl</param-value>
    </context-param>
    <listener>
        <listener-class>org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap</listener-class>
    </listener>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <servlet>
        <servlet-name>Resteasy</servlet-name>
        <servlet-class>org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>Resteasy</servlet-name>
        <url-pattern>/*</url-pattern>
    </servlet-mapping>
</web-app>

得到错误信息：

2014-02-20 18:10:23,303 ERROR [org.apache.catalina.core.ContainerBase]   Exception sending context initialized event to listener instance of class org.jboss.resteasy.plugins.server.servlet.ResteasyBootstrap
java.lang.RuntimeException: Class is not a root resource.  It, or one of its interfaces must be annotated with @Path: com.cwind.rest.CwindRestfulServiceImpl implements: com.cwind.rest.CwindRestfulService

错误提示显示我的资源类或其接口上缺少@Path注释；把注释直接加在CwindRestfulServiceImpl 类上却工作正常。Google了一下发现了一个类似的问题解决方案http://pilhuhn.blogspot.com/2011/06/seemingly-common-resteasy-error-and.html，需要加一个@ApplicationPath注释，但是我的接口定义在第三方包中，不能修改。请问对此问题有何建议，谢谢！