java - 领英讨论中的 401 错误

Question

我们的网站上有一个讨论链接，可将用户导航到 LinkedIn 讨论。

几天前它运行良好，现在出现 401 错误。请帮忙。

我得到的错误日志是 -

java.io.IOException: Server returned HTTP response code: 401 for URL: http://api.linkedin.com/v1/groups/4844082: (id,name,site-group-url,small-logo-url,large-logo-url)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1436)
at com.insideup.web.AdvertiserDashBoardMultiActionController.getGroupInfoById(AdvertiserDashBoardMultiActionController.java:842)
at com.insideup.web.AdvertiserDashBoardMultiActionController.getLatestDicussion(AdvertiserDashBoardMultiActionController.java:714)
at com.insideup.web.AdvertiserDashBoardMultiActionController.showDiscussionPage(AdvertiserDashBoardMultiActionController.java:628)