Something changed in the last few days that broke my apprequest code. I use MSFT's new Facebook SDK from https://github.com/Microsoft/winsdkfb which uses Xaml WebView to interact with Facebook via html. As of Friday, it started displaying a blank white page for apprequests. Copying & pasting the url into IE I get a 500 error page. Doing the same in Chrome results in a blank white page.
https://www.facebook.com/v2.1/dialog/apprequests?access_token=&redirect_uri=https%3A%2F%2Fwww.facebook.com%2Fconnect%2Flogin_success.html&app_id=&object_id=&to=&action_type=send&message=&data=
If I remove action_type & object_id, it works fine. Though obviously without the Graph object.
We had a bug that should be resolved now, here's the link: https://developers.facebook.com/bugs/862534523829812/
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I have a LAMP website which allows users to share a graph on Facebook. It was woking fine until May 1st but now whenever I try to share, I just get a grey box.
My site was using sharer.php to do the sharing and giving as the url a document which would generate a single graph, and in it's og:image and og:image:url tags I put a url which points to some code which generates an 800 x 400 png of the same graph. If I copy either url into a browser, they render exactly what I would expect, but if I post the same url to the Sharing Debugger tool, it gives me a blank image.
I have noticed that although clicking the Scrape Again button usually calls the url which renders the image as a png, every now and then it does not, but there is no indication as to why and the Scraped URL page shows exactly the page I would expect with the correct og:image tags.
I have tried changing from using sharer.php to the FB.ui 'share' method, but this has not fixed the issue.
I have also tried asking in the Facebook Developer Community but have had no response. I even tried to raise a bug with Facebook, but it won't let me.
This is driving me nuts. I just don't understand why it has suddenly stopped working. Have I missed something or has Facebook changed anything in the Sharer functionality? Is there any other way to debug this ?
Update: After a lot of tinkering I have found out that this only affects my account, and it affects anything I share on Facebook, not just things from my own site. Furthermore, it's only the preview of the shared page which is not working. What actually gets posted to Facebook is the correct image. I have tried multiple PC's and multiple browsers and it always fails even if I switch off all anti-virus/anti-malware/firewalls etc. Bizarrely, if I share from my phone, it works!
I have a strange problem on my site with Facebook sharing. "Like" is working fine but I can't share any url with oficial buttons. The sharer.php returns a blank window. When i try to share an url manually it doesn't show any preview but url.
This started today. Nothing changed on the site.
I've tried debug tool on Facebook but it seems everything is fine. I don't get any error or warning.
What could be wrong?
I've been working on this for two days straight now. I'm using Rails 3.1.
My setup is like the one Lopez42 spelled out at the bottom of the page at Facebook I like button not working all the time
Unlike the other posts here, my like buttons appear fine, my comment box pops up and my AJAX calls return success.
The problem:
If I click the Like button and leave the comment blank, everything seems to work fine. The like count is updated (I verified at https://api.facebook.com/method/fql.query?query=select+url,total_count,like_count,comment_count,share_count,click_count+from+link_stat+where+url=my_url&format=json)
The post to the wall says "so-and-so Liked a link".
If, however, I enter a comment, the post to Wall says "so-and-so Shared a link" and no counts get updated (as per same test URL from above).
One other thing. I have quite a few Like buttons on the same page, each with their own URL. I've tried using both HTML5 div fb-like and the fbml tag fb:like.
Also, the facebook debug lint page gives good reports on all og tags, etc.
Anyone have any ideas?
TIA, Dan
When I link my site on Facebook, it correctly shows the OpenGraph information in the preview for the posting, but when submitted, it gets lost. If I click the 'Like' button at the bottom of the Linter tool for my page however, it displays correctly on my wall.
Page Being Linked: http://horadric.info/news
Linter: http://developers.facebook.com/tools/debug/og/object?q=http%3A%2F%2Fhoradric.info%2Fnews
I've tried a few guides' suggestions, such as the xmlns additions to my HTML tag, removing admins/app_id, and a few other things.
It used to work before a week ago, and recently it's been failing. I figure it's probably an error on Facebook's end, but I'd like some confirmation.
Creating a page with multiple "like" buttons on it. I'm using their XFBML syntax so when someone "likes" one of the items on the page they can post a message on their wall (default behaviour w/ XFMBL). Sometimes the pop-up shows up but sometimes it flashes away - can't seem to find a pattern why. I have tried this in Opera, IE, FF (latest released versions of each).
Eveything looks according to FB's documentation. See the page at: http://ncaa.rmingorance.mouse.engauge.com/bracket
(note, I can't use the iframe version because I can't give it enough width for the pop-up to work - the pop-up should always work with XFBML according to the docs)
I tried to reach the URL above but it returns a 500 error. Once you have it up again, please try using the Facebook linter to make sure everything is correct:
https://developers.facebook.com/tools/lint