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I run a Multisite installation with 10 blogs. All the other blogs work fine except for one where any image that's uploaded does not show up in the media library. There's just a blank image instead of the usual thumbnail. Clicking on "Edit" brings you to the "Edit Media" page, but NO image is displayed. Copying the file URL in the "Save" area on the right side of the "Edit Media" page and pasting it into the browser address bar DOES show the image. Clicking "View" from the "Media Library" brings you to a page, but NO image is displayed. I can't figure this out because this blog was installed the same way the others were.

I have made sure that:

  1. File permissions are set to 755 on all folders and files
  2. The images are uploading to the correct folder wp-content/uploads/sites/"site folder"/"year"/"month"
  3. Deactivated all plugins and reactivated each one to see if any are causing issues
  4. Uninstalled and reinstalled the particular blog.

The only thing I haven't tried was doing something in the database directly, but don't know where to start. Any help with this would be fantastic. Thanks.

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Install Firebug (or something similar) and right click the missing image. Look at the url that is failing. How does it differ from other urls that are working for the same image size? – Charles Clarkson May 12 '13 at 11:55
You say the files upload correctly, which makes permissions problems less likely, but you might want to look over… anyway. – s_ha_dum May 12 '13 at 15:08
Hi, thanks for the replies. The URL doesn't differ and none of the images are showing regardless of size. Here is one of the post with photos appearing as links only. Clicking on the link brings up the image so its in the right directory, but it doesn't show up in the post itself or in the library. – MasterKong Jun 4 '13 at 13:52
Could it be that the image resolution is too large, and its causing the browser to not display the images as it would crash the browser? Currently I'm having an issue where images which I uploading using media_handle_upload were too large for WP to create thumbs of them, thus when looking at the media library it would try and display several 2M images and crash the browser. Not sure if this is the same issue, but might help. – Nick M Oct 23 '14 at 2:05
Potential duplicate of… – Nick M Oct 23 '14 at 2:15

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