Support » Installing WordPress » Update from WordPress 3.1.1 to 3.3.1

  • Resolved jgreisen


    I have attempted to update one of my two installations on my Windows IIS7 web server concluding with failure by both using the auto update feature and the manual update feature. I have followed the guides in the WordPress documentation, both standard manual install and extended and also read the “most common issues”. The update appears to be successful at first, but then reroutes to a 500 error for every page after the install dialog page, it even says it’s successful before rerouting.

    I have a full directory backup of the installation, unfortunately I do not have a DB backup any older then 6 days from today. When I restore the full file backup, by either merging or completely replacing the root WordPress install directory, I browse any page and WordPress asks me to update the database. I do the update and all is working again at 3.1.1, leaving me to once again update with failure either manually or automagically. What is the issue? Cannot seem to figure out what is causing this issue. Any help is much appreciated.

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  • Moderator t-p


    – Error 500 is very generic and can be caused by numerous underlying issues. Your first step should be locating and checking error log.
    – It may also indicate .htaccess issue. Regenerate .htaccess, and be sure the encoding in your text editor is Unicode No BOM
    -It may also indicate a problem with the configuration on the server.

    Nothing in Windows Event Viewer, but the PHP logs did have an error:

    [22-Mar-2012 17:21:52] PHP Fatal error: Call to undefined method Arras_Widget_Tag_Cloud::WP_Widget_Tag_Cloud() in C:\inetpub\apevibro.wwwroot\wordpressclassifieds\wp-content\themes\apeclassifieds\library\widgets.php on line 328

    I am using a themed named Arras, it seems this may have some sort of conflict with the update. I Googled this error to see what I could find, see this fix This worked for me!

    Thanks for the help t-p, you got me going in the right direction. Sometimes I forget that PHP errors don’t show up in event viewer, I’m generally as guy. Auto updated no problem after fixing the widgets.php file.

    Moderator t-p


    You are welcome. Glad you got it working. 🙂

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