Support » Fixing WordPress » Media Library doesn't work since upgrade to 3.5

  • Hello,
    I know there is numerous post with this error in the new media library, with no answer yet.

    Since I’ve upgraded to wordpress 3.5, the media library does not work. It shows no images, and when I try to upload, I have this message :
    An error occurred in the upload. Please try again later.

    But the image is loaded, I saw it in the media tab, and in ftp I saw the 3 images small, medium and original. The problem is there is no images shown in the media library.

    Tried to desactivate all plugins, clear the cache, use two others browsers, use the twenty twelve theme : always the same problem.
    My wp-config has already the line
    "define('CONCATENATE_SCRIPTS', false );"
    I tried to delete the htaccess, too. Same problem.

    I made an exact mirror of my blog in a local server, with my custom theme and plugins, and here all is ok, the media manager works perfectly. The Php version is the same (5.3.6). Don’t know exactly where is the problem. I don’t use the mod pagespeed.

    Thank you for any clue of this problem. Perhap’s it javascript or jquery with a conflict in the server configuration ?

Viewing 13 replies - 1 through 13 (of 13 total)
  • esmi


    Forum Moderator

    Try replacing:

    define('CONCATENATE_SCRIPTS', false );


    define('SCRIPT_DEBUG', true);

    And try asking your hosts whether they are using mod_pagespeed on your server.

    Thank you for your reply.

    define('CONCATENATE_SCRIPTS', false );
    define('SCRIPT_DEBUG', true);
    Don’t change anything.

    And there is no informations about mod_pagespeed in my phpinfo, so I assume my host does not use it.



    Forum Moderator

    I’d actually ask your hosts about mod_pagespeed.

    My host said to me mod_pagespeed is not activate on my server.



    Forum Moderator

    Forget to tell that I always do manual upgrade. I use wordpress since 2005, and I’ve keep this habit.

    Try to diagnose javascrip errors, the only one I found is this :

    [18:08:36,852] L’utilisation de l’attribut « specified » d’un attribut est obsolète. Cela renvoie toujours « true ». @ http://blog/wp-includes/js/jquery/jquery.js?ver=1.8.3:2

    Line 2.

    In english : Use of attributes’ specified attribute is deprecated. It always returns true.

    You already got an answer on this one? That you can share in this topic. I was following it :).

    No more answer, problem is still here with 3.5.1. I’ve installed a plugin, “faster image insert” for continuing to blog.

    Yea, but you use faster image insert on the back end?


    oke, im trying to figure it out how i get faster image on the front end.. any idea?

    I am having the same problem. Please let me know if you find a fix! We’re using the same theme as well.

    we also get this error message on top of every page since the upgrade. I’ve tried all of the fixes listed in the forums, to no avail.

    Warning: call_user_func_array() expects parameter 1 to be a valid callback, function ‘wp_maybe_load_embeds’ not found or invalid function name in D:\Hosting\9569105\html\wp-includes\plugin.php on line 406

    My problem is solved.
    It was an hosting issue, a php file called “prepend.php”.
    This default code :


    don’t work in php 5.3 and cause the bug with the media library.
    Replacing the first line with


    solve my problem.

Viewing 13 replies - 1 through 13 (of 13 total)
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