Yeah, the problem is that at the moment, we publish the first ping and reject the second one, which means the link of the post is lost. I guess we could check for the link, and reject any notifications that don't contain a link, but I'm just wondering what the reason is in the first place, especially as it happens for almost every post in this particular feed, but not very often across the board (and we get notifications for hundreds of thousands of feeds). My question really is "what causes the hub to send us a ping without a link?"

On 14/09/2011 10:07, Tamer Yousef wrote:
MARIO:
I'm only guessing here, but you may receive notifications for the same post when the user edits the post. It's your job at that point to either ignore the ping or do something with it. I think receiving 2 pings for the same post is better than not receiving a ping at all.

-Tamer

On Wed, Sep 14, 2011 at 9:58 AM, Mario Menti <[email protected] <mailto:[email protected]>> wrote:

    Hi guys,

    we've recently had a few instances of getting pshb notifications
    multiple times, and the first time without links. I've been trying
    to capture what we actually receive, here's an example:

    - first notification, at 11:54 (UTC, so it matches the @updated
    timestamp), without a url:

    #<Franks::Parser::AtomFeedBurnerEntry:0x21459518
    @categories=["Fitness and Exercises"], @updated=Wed, 14 Sep 2011
    07:54:29 -0400, @id="tag:blogger.com
    
<http://blogger.com>,1999:blog-3181186600989706663.post-8845784341984148409",
    @author="Dao", @content="Hi everyone,\n\n\n\n\n\n\n\nLast week, I
    hit an epiphany regarding fitness. Since I did not weigh myself
    the week before, I just assumed the workout routine as usual (more
    cardio with a touch of yoga.) Two weeks passed and guess how much
    weight I lost?\n\n\n\nTwo hundred freakin' grams!\n\n\n\nYeah,
    that's right. I lost less than half a pound. In two weeks. It tore
    me apart. It was not as if I was sitting&nbsp;idly and eating moon
    cake or anything. And by the way, the Autumn Festival just passed
    and so far, I have eaten half a moon cake.\n\n\n\nI was doing all
    this and the scale just refused to move. It was a sad, sad day. I
    came home and felt like I should throw in the towel already. Why
    bother, right?\n\n\n\nBut again, that ain't me. I am not a
    quitter. I am a...<br/>\n<br/>\nThis is just a taste of what's
    going on in my site. To read the full post, please click the title
    of this post to visit My Makeup Blog.<div class=\"feedflare\">\n<a
    
href=\"http://feeds.feedburner.com/~ff/MyMakeupBlog?a=Ro2eosQjYao:wP6doOmvukg:4cEx4HpKnUU\";
    
<http://feeds.feedburner.com/%7Eff/MyMakeupBlog?a=Ro2eosQjYao:wP6doOmvukg:4cEx4HpKnUU%5C>><img
    
src=\"http://feeds.feedburner.com/~ff/MyMakeupBlog?i=Ro2eosQjYao:wP6doOmvukg:4cEx4HpKnUU\";
    
<http://feeds.feedburner.com/%7Eff/MyMakeupBlog?i=Ro2eosQjYao:wP6doOmvukg:4cEx4HpKnUU%5C>
    border=\"0\"></img></a>\n</div>", @published=Wed, 14 Sep 2011
    07:54:00 -0400, @title="Fitness Report #6">
    14 Sep 11:54 http://feeds.feedburner.com/MyMakeupBlog - Queuing 1
    entries

    - second notification, for what seems to be the same item,
    received ca. half an hour later, and now containing a url:

    #<Franks::Parser::AtomFeedBurnerEntry:0x13c1fa58
    @url="http://mymakeupblog.blogspot.com/2011/09/fitness-report-6.html";
    <http://mymakeupblog.blogspot.com/2011/09/fitness-report-6.html>,
    @categories=["Fitness and Exercises"], @updated=Wed, 14 Sep 2011
    07:54:30 -0400, @id="tag:blogger.com
    
<http://blogger.com>,1999:blog-3181186600989706663.post-8845784341984148409",
    @author="Dao", @content="Hi everyone,\n\n\n\n\n\n\n\nLast week, I
    hit an epiphany regarding fitness. Since I did not weigh myself
    the week before, I just assumed the workout routine as usual (more
    cardio with a touch of yoga.) Two weeks passed and guess how much
    weight I lost?\n\n\n\nTwo hundred freakin' grams!\n\n\n\nYeah,
    that's right. I lost less than half a pound. In two weeks. It tore
    me apart. It was not as if I was sitting&nbsp;idly and eating moon
    cake or anything. And by the way, the Autumn Festival just passed
    and so far, I have eaten half a moon cake.\n\n\n\nI was doing all
    this and the scale just refused to move. It was a sad, sad day. I
    came home and felt like I should throw in the towel already. Why
    bother, right?\n\n\n\nBut again, that ain't me. I am not a
    quitter. I am a...<br/>\n<br/>\nThis is just a taste of what's
    going on in my site. To read the full post, please click the title
    of this post to visit My Makeup Blog.<div class=\"feedflare\">\n<a
    
href=\"http://feeds.feedburner.com/~ff/MyMakeupBlog?a=nWHnsItLfhY:wP6doOmvukg:yIl2AUoC8zA\";
    
<http://feeds.feedburner.com/%7Eff/MyMakeupBlog?a=nWHnsItLfhY:wP6doOmvukg:yIl2AUoC8zA%5C>><img
    src=\"http://feeds.feedburner.com/~ff/MyMakeupBlog?d=yIl2AUoC8zA\";
    <http://feeds.feedburner.com/%7Eff/MyMakeupBlog?d=yIl2AUoC8zA%5C>
    border=\"0\"></img></a> <a
    
href=\"http://feeds.feedburner.com/~ff/MyMakeupBlog?a=nWHnsItLfhY:wP6doOmvukg:4cEx4HpKnUU\";
    
<http://feeds.feedburner.com/%7Eff/MyMakeupBlog?a=nWHnsItLfhY:wP6doOmvukg:4cEx4HpKnUU%5C>><img
    
src=\"http://feeds.feedburner.com/~ff/MyMakeupBlog?i=nWHnsItLfhY:wP6doOmvukg:4cEx4HpKnUU\";
    
<http://feeds.feedburner.com/%7Eff/MyMakeupBlog?i=nWHnsItLfhY:wP6doOmvukg:4cEx4HpKnUU%5C>
    border=\"0\"></img></a> <a
    
href=\"http://feeds.feedburner.com/~ff/MyMakeupBlog?a=nWHnsItLfhY:wP6doOmvukg:gIN9vFwOqvQ\";
    
<http://feeds.feedburner.com/%7Eff/MyMakeupBlog?a=nWHnsItLfhY:wP6doOmvukg:gIN9vFwOqvQ%5C>><img
    
src=\"http://feeds.feedburner.com/~ff/MyMakeupBlog?i=nWHnsItLfhY:wP6doOmvukg:gIN9vFwOqvQ\";
    
<http://feeds.feedburner.com/%7Eff/MyMakeupBlog?i=nWHnsItLfhY:wP6doOmvukg:gIN9vFwOqvQ%5C>
    border=\"0\"></img></a>\n</div><img
    src=\"http://feeds.feedburner.com/~r/MyMakeupBlog/~4/nWHnsItLfhY\";
    <http://feeds.feedburner.com/%7Er/MyMakeupBlog/%7E4/nWHnsItLfhY%5C> 
height=\"1\"
    width=\"1\"/>", @published=Wed, 14 Sep 2011 07:54:00 -0400,
    @title="Fitness Report #6">
    14 Sep 12:25 http://feeds.feedburner.com/MyMakeupBlog - Queuing 1
    entries

    This seems to be happening consistently with this one specific
    feed, can anyone think of a reason for this (e.g. anything related
    to how the user creates posts?). Any pointers appreciated, thanks!

    Mario.


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