Support » Plugin: W3 Total Cache » W3 Total Cache Error Notification messages regarding minify

  • A couple of days ago, I started receiving messages from a long-running WP 3.5 site saying, “Unfortunately, an error occurred while creating the minify cache. Please check your settings to ensure your site is working as intended.”

    I remember updating a couple of plug-ins recently, I think I updated Jetpack and one or two others. That’s the only change I can think of. Site content has been static as well.

    I also turned on minify settings in W3TC. Messages still arrived complaining about the minify cache.

    Thinking that maybe I should move forward, last night I updated the site to WP 3.6; today I received a couple more of these error message.

    Naturally, I have emptied all the caches multiple times.

    Can anyone recommend where I could look for a log entry of some kind that might give more of a clue of what’s wrong — maybe one that would identify the script or item W3TC is having a problem with?

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  • Couple of things may help
    Check your server error log records… (may or may not have the info)

    Try the following
    1. Turn on the W3TC debug function (2nd last in General setting page) – you should see the debug information at the bottom of page source code.

    2. Also in General settings – check the minify cache method is set to manual mode then go to the minify settings page. If there are already manual file entries, and you have no idea which files are causing the problem, delete all the entries.

    Then find .css and .js files in page source code, and add back one by one to the minify setup. Exclude the version query string at the end of the URL e.g. ?*****
    Sometimes it’s a good idea to refresh the settings page again after saving changes – this usually picks up problems with files…

    NOTES: Sounds an unusual problem – The minify error reporting normally includes information about the missing file, or problem file.)

    This is a normal occurrence when using manual set-up for minify AFTER a plugin / WordPress update when file have changed.

    Last resort – enable wp_debug….

Viewing 1 replies (of 1 total)
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