502 Proxy Error

  • Editing and saving any page then viewing any page causes 502 Proxy Error after several minutes of waiting if TEC plugin is active. isitdownrightnow.com shows the site as inaccessible. At some point the site comes back online. Not sure how long, I have tested again in 15 minutes, it could be less than that.

    After deactivating TEC the problem does not occur.

    Second problem: Viewing the Calendar page causes 502 Proxy Error without any edits to pages.

    I have tried:

    • increasing several PHP variables (PHP Time Limit, PHP Max Input Vars, PHP Mem Limit).
    • Clearing server cache
    • Turn on DEBUG in wp-config. Nothing of interest appears in debug.log
    • Deactivate all nonessential plugins
    • uninstall TEC and reinstall
    • Copy everything to a staging site on different webhost. After page edit/save, it works sometimes, other times it takes a very long time to display a page, however it does not generate a 502 error. Also, viewing Calendar page works. So it’s better, but still not working reliably. Maybe this indicates there might be a server configuration issue?

    Any ideas of what I should look for or try?

    Live site (TEC is currently deactivated) is on Hostmonster:

    TEC 6.10.1.1
    Theme: Avada 7.11.14
    WordPress 6.7.2
    PHP 8.2.18

    Staging site (TEC is active) is on Siteground, same versions of everything except

    PHP 8.2.27

    The page I need help with: [log in to see the link]

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  • Plugin Support tristan083

    (@tristan083)

    Hi @paul-hartman ,

    Thank you for reaching out.

    I recognize how challenging this must be; but, let me try to assist you here to the best of my abilities.

    A 502 error usually mean server resources (memory, CPU, storage, network) depletion. Because of this the server is unable to handle additional requests. This can also mean the server is awaiting data from the database that is taking a long time. In that regard, I would recommend going through our The Calendar is Loading Slowly knowledgebase article for insights and steps you can take to alleviate the situation.

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