Hi Martin, thanks a lot!
I am already using unique URLS as I a always generate a new UUID which is part of the relative pic url. The caching problem is related to Facebook as they cache it somehow on their side although a unique URL is used. Chris > Am 17.05.2015 um 14:42 schrieb Martin Grigorov <[email protected]>: > > Hi, > > Options: > 1) Use different urls for different images > 2) disable caching for the IResource. See > https://github.com/apache/wicket/blob/a1c83cbc9cba919cf0106ff5b7c5fa69cac27ef7/wicket-core/src/main/java/org/apache/wicket/request/resource/AbstractResource.java#L458 > > Martin Grigorov > Wicket Training and Consulting > https://twitter.com/mtgrigorov > > On Sun, May 17, 2015 at 3:39 PM, Chris <[email protected]> wrote: > >> Hi all, >> >> If the user clicks on a certain button, I am dynamically generating an >> image and mount this as follows: http://www.domain.com/facebook/UUID.png < >> http://www.domain.com/facebook/UUID.png>. After that, the JS function >> below is called. >> >> I am using the Facebook feed dialog in order to open the share dialog. >> Although I am providing unique picture URLs, Facebook always shows an old >> image (from the cache) and not the one from the URL. >> Does anyone know a hint how to force Facebook to use the picture from the >> URL in its share dialog? >> https://developers.facebook.com/docs/sharing/reference/feed-dialog/v2.3 < >> https://developers.facebook.com/docs/sharing/reference/feed-dialog/v2.3> >> >> Thanks, Chris >> >> <script type="text/javascript"> >> function shareMessage(link) { >> >> FB.ui( >> { >> method: 'feed', >> name: some name, >> link: 'some link', >> picture: link, >> caption: link, >> description: "some description", >> message: '' >> }); >> } >> >> </script> >> >> --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
