Java 获取到linkedin的连接时出错

运行此代码时，将显示错误：

HTTP状态500-oauth.signpost.exception.OAuthCommunicationException:与服务提供商的通信失败：服务器返回了URL的HTTP响应代码：403:

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请更改问题的标题？这应该是关于你的问题的有意义的东西，而不是一般性的陈述。首先检查URL（你提到的）是否仍然有效。第二，看看下面的链接。API访问似乎有一些变化-

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // TODO Auto-generated method stub


    final LinkedInOAuthService oauthService = LinkedInOAuthServiceFactory.getInstance().createLinkedInOAuthService(CONSUMER_KEY, CONSUMER_KEY_SECRET);


    try {
        StringBuffer callbackURL = request.getRequestURL();
        int index = callbackURL.lastIndexOf("/");
        callbackURL.replace(index, callbackURL.length(), "").append("/LinkedInCallbackServlet");


        LinkedInRequestToken requestToken = oauthService.getOAuthRequestToken(callbackURL.toString());
        request.getSession().setAttribute("requestToken", requestToken);
        System.out.println("token:"+requestToken);
        System.out.println("Success");

        String path=callbackURL.toString();
        String verifier = request.getParameter("oauth_verifier");
        System.out.println("----"+verifier);

        response.sendRedirect(requestToken.getAuthorizationUrl());

    } catch (LinkedInApiClientException e) {
        throw new ServletException(e);
    }
}


/**  * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
 */
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // TODO Auto-generated method stubss
}