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  3. Error 500 on admin-ajax.php

Error 500 on admin-ajax.php

Scheduled Pinned Locked Moved WordPress (Managed)
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  • A Offline
    A Offline
    alwynispat
    wrote on last edited by
    #1

    Hi all,

    Not sure what is happening but admin-ajax.php is throwing error 500.

    [Mon Oct 16 01:53:46 2023] "POST /wp-admin/admin-ajax.php HTTP/2.0" 500 0 "https://[redacted]/wp-admin/upload.php?mode=grid" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.15"
    

    This happens when accessing Media Library in grid mode, no issues displaying images in list mode.

    I also noticed that my other plugin would fail, All-in-one WP Migration plugin would not be able to run export to backup. The same error would appear.

    What I've tried:

    • Disabling all plugins
    • Enabling default theme
    • Increased WP_MEMORY_LIMIT to 128M
    • Increased the App Memory Limit to 512M

    When I reboot the App or the Server, the site will not load and the logs will show:

    Healtheck error: Error: connect ECONNREFUSED 172.18.20.7:80
    

    Ideas?

    Find me at Mastodon

    girishG 1 Reply Last reply
    1
    • A alwynispat

      Hi all,

      Not sure what is happening but admin-ajax.php is throwing error 500.

      [Mon Oct 16 01:53:46 2023] "POST /wp-admin/admin-ajax.php HTTP/2.0" 500 0 "https://[redacted]/wp-admin/upload.php?mode=grid" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.15"
      

      This happens when accessing Media Library in grid mode, no issues displaying images in list mode.

      I also noticed that my other plugin would fail, All-in-one WP Migration plugin would not be able to run export to backup. The same error would appear.

      What I've tried:

      • Disabling all plugins
      • Enabling default theme
      • Increased WP_MEMORY_LIMIT to 128M
      • Increased the App Memory Limit to 512M

      When I reboot the App or the Server, the site will not load and the logs will show:

      Healtheck error: Error: connect ECONNREFUSED 172.18.20.7:80
      

      Ideas?

      girishG Offline
      girishG Offline
      girish
      Staff
      wrote on last edited by girish
      #2

      @alwynispat Have you tried turning on verbose logs - https://wordpress.org/documentation/article/debugging-in-wordpress/#example-wp-config-php-for-debugging ?

      But it seems the server itself doesn't start. What's in the logs before the health check errors? Where is it hanging?

      1 Reply Last reply
      0
      • A Offline
        A Offline
        alwynispat
        wrote on last edited by
        #3

        nothing but depreciated errors.

        weird thing is, I've rebuilt the site using a backup from all-in-one wp migration tool to www.website.com and redirected website.com to it. site is still standing.

        Attacks happening to root domain?

        Find me at Mastodon

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