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POObjective-C/iPhone - oAuthException when using "me/checkins" as part of the Facebook Graph API
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copied!<p>I am receiving the following graph response when checking users into Facebook using the Facebook Graph API. I am using the <a href="https://github.com/kevinmcmahon/facebook-ios-sdk" rel="nofollow">facebook-ios-sdk</a> within my iPhone application to do this.</p> <pre><code>{"error":{"type":"OAuthException","message":"An unexpected error has occurred. Please retry your request later."}} </code></pre> <p>I have not made any changes to my code today and I know for a fact (database logs, etc) that their have been successful checkins yesterday.</p> <p>I'm asking the SO community whether or not they have received similar errors and how they attempted to resolve them?</p> <p>I have already tried the following:</p> <ol> <li>Revoked access to my application via Facebook.</li> <li>Reset my <code>offline_access</code> token by forcing Facebook to generate a new one.</li> </ol> <p>Keep in mind my application successfully shares via peoples Facebook walls as well and this is working as expected without any problems.</p> <p>I request the following permissions from my users:</p> <pre><code>@"offline_access", @"publish_stream", @"publish_checkins", @"email" </code></pre> <p><strong>EDIT:</strong></p> <p>Okay, so this is quite strange and I'm thinking that it's an error on Facebook's end.</p> <p>I use the following code to tag friends in the checkin:</p> <pre><code>if ([self.selectedFriends count] > 0) { [variables setObject:[self.selectedFriends componentsJoinedByString:@","] forKey:@"tags"]; } fb_graph_response = [fbGraph doGraphPost:@"me/checkins" withPostVars:variables clientId:accessToken]; </code></pre> <p><code>self.selectedFriends</code> is simply an <code>NSMutableArray</code> of Facebook profile ID's separated by commas, which is what the graph API says to use and remember this has been working fine for months.</p> <p><a href="http://developers.facebook.com/docs/reference/api/checkin/" rel="nofollow">http://developers.facebook.com/docs/reference/api/checkin/</a></p> <p>If I remove the <code>[variables setObject:[self.selectedFriends componentsJoinedByString:@","] forKey:@"tags"];</code> then the checkin works just fine for <em>me</em>.</p> <p>It fails every time I tag one or more friends. Is anyone else receiving the same error when tagging friends in a checkin?</p> <p><strong>UPDATE 1:</strong></p> <p>Looks like other people are receiving the same problem relating to Groups:</p> <p><a href="http://forum.developers.facebook.net/viewtopic.php?pid=349396" rel="nofollow">http://forum.developers.facebook.net/viewtopic.php?pid=349396</a></p> <p>I wonder if there's a bug at the moment relating to Checkins.</p> <p>I've posted a bug:</p> <p><a href="http://bugs.developers.facebook.net/show_bug.cgi?id=18134" rel="nofollow">http://bugs.developers.facebook.net/show_bug.cgi?id=18134</a></p> <p><strong>UPDATE 2:</strong></p> <p>Facebook were able to reproduce <a href="http://bugs.developers.facebook.net/show_bug.cgi?id=18134" rel="nofollow">the bug</a> and they're now looking into it.</p>

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