我正在使用https://github.com/lorensiuswlt/AndroidTwitter上的 AndroidTwitter 项目连接到 Twitter 并发送推文。我可以通过 Twitter 成功授权，它说我已登录，但是当我发布推文时，我收到此错误。安卓设备上系统时间正确，填写了我的oauth key和secret（登录时没问题）。
08-01 14:25:07.222: W/System.err(5527): 401:Authentication credentials (https://dev.twitter.com/docs/auth) were missing or incorrect. Ensure that you have set valid consumer key/secret, access token/secret, and the system clock is in sync.
08-01 14:25:07.222: W/System.err(5527): error - Could not authenticate with OAuth.
08-01 14:25:07.222: W/System.err(5527): request - /1/statuses/update.json
08-01 14:25:07.222: W/System.err(5527): Relevant discussions can be found on the Internet at:
08-01 14:25:07.222: W/System.err(5527): http://www.google.co.jp/search?q=b2b52c28 or
08-01 14:25:07.222: W/System.err(5527): http://www.google.co.jp/search?q=1a591522
08-01 14:25:07.222: W/System.err(5527): TwitterException{exceptionCode=[b2b52c28-1a591522], statusCode=401, retryAfter=-1, rateLimitStatus=null, featureSpecificRateLimitStatus=null, version=3.0.0-SNAPSHOT(build: a5aafcad15add0fbc7a6583e337a1abbafa23435)}
08-01 14:25:07.229: W/System.err(5527): at twitter4j.internal.http.HttpClientImpl.request(HttpClientImpl.java:176)
08-01 14:25:07.229: W/System.err(5527): at twitter4j.internal.http.HttpClientWrapper.request(HttpClientWrapper.java:61)
08-01 14:25:07.229: W/System.err(5527): at twitter4j.internal.http.HttpClientWrapper.post(HttpClientWrapper.java:98)
08-01 14:25:07.229: W/System.err(5527): at twitter4j.TwitterImpl.post(TwitterImpl.java:1970)
08-01 14:25:07.237: W/System.err(5527): at twitter4j.TwitterImpl.updateStatus(TwitterImpl.java:415)
08-01 14:25:07.237: W/System.err(5527): at net.londatiga.android.TwitterApp.updateStatus(TwitterApp.java:106)
08-01 14:25:07.237: W/System.err(5527): at net.londatiga.android.TestPost$5.run(TestPost.java:106)