Application installation from APS catalog fails on Plesk server: The 'mysqli' extension was not found

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  Swen Andrew May 14, 2020 01:25 (Edited May 14, 2020 01:26)

  I Have this exact Problem but turning on the extensions does not help. The extensions are actually all activated but the Installer doesnt recognize them.
  I tried switching them on and off but that didnt help either. The Installer still doesnt recognize that there there. This is with a Joomla Update.

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  Ivan Postnikov May 16, 2020 12:04

  Hello Swen Andrew

  Please, let me know the OS and Plesk version you're using so that we could try it on a test instance.

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  Swen Andrew May 16, 2020 17:42

  Plesk Obsidian Version 18.0.27 (Problem persisted in earlier versions as well)
  Ubuntu 18.04.4
  PHP 7.3.17
  
  I was able to resolve the issue by switching the site back to PHP 7.2 and then switching back to PHP 7.3

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  Ivan Postnikov May 25, 2020 13:11

  Swen Andrew

  Thank you for the provided info.

  During the version switch, domain PHP configuration was regenerated.

  However, the reason why this happened previously is unclear and an investigation is required.

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  Swen Andrew June 16, 2020 07:55

  The next joomla update the Problem returened again. I again switched back to 7.2 and tne 7.3 to solve it.

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  Ivan Postnikov July 01, 2020 14:24

  Hello Swen Andrew

  I would suggest contacting support, additional investigation is required.

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  Christoph Wesselburg September 18, 2020 16:13

  I have the same problem as described above with the installation of Sugar CRM. Same Version of PHP, it says the extension is there, but not recognized. Even the workaround "switching to previous 72.33 php Version and back to 7.33" does not work for me.

  Any updates or solutions yet?

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  Christoph Wesselburg September 18, 2020 16:17

  sorry 7.2 to 7.3 of course...

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  Nelson Leiva September 23, 2020 23:43

  Hi Christoph Wesselburg

  I recommend try using another PHP version if possible and see if the issue persists. If that doesn't help, I'd suggest contacting our support team as further investigation might be required on the server.

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  Yurii Samonov October 15, 2020 02:14

  Hello,

  Have the same issue, when flags turned ON on both php 7.2 or 7.3 versions.

  Plesk Obsidian Web Pro Edition
  Version 18.0.30 Update #2

  Ununtu 16.04

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  Ivan Postnikov November 06, 2020 13:18

  Hello Yurii Samonov

  Additional investigation is required to understand why it happens.

  Submit a support request to us or to our partner depending on where Plesk license was purchased.

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  IONOS Support November 14, 2020 17:29

  Hi Folks, this article says "applicable to" both Linux and Windows but step 3 is for Linux only, then the linked article is also only applicable to Linux. Is there another solution for Windows?

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  Mikhail Shport December 04, 2020 08:52

  Hello 1&1 IONOS,

  Thank you for bringing our attention to this fact. The article has been updated to make the information more explicit.

  Note: The module mysqlnd is used during the compilation of mysql, mysqli, and pdo_mysql on WIndows so it is included but not visible.

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  Peter Trüb December 04, 2020 17:09

  Same problem with Drupal update, neither php 7.3 nor 7.2 are working, extensions are installed:

  Updating an installation of Drupal 7.73-128 has failed:

  • The following problems with requirements were found: The PHP memory limit is 0 bytes. The app requires at least 40M bytes.; The 'mysqli' extension was not found.; The 'mbstring' extension was not found.; The 'date' extension was not found.; The 'dom' extension was not found.; The 'filter' extension was not found.; The 'gd' extension was not found.; The 'hash' extension was not found.; The 'json' extension was not found.; The 'pcre' extension was not found.; The 'PDO' extension was not found.; The 'session' extension was not found.; The 'SimpleXML' extension was not found.; The 'SPL' extension was not found.; The 'xml' extension was not found.

   

  • OS: ‪CentOS Linux 7.9.2009 (Core)‬
  • Product: Plesk Obsidian 18.0.31 Update #2 , last updated at Dec 1, 2020 03:29 AM

   

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  Peter Trüb December 05, 2020 14:34

  I could solve the problem by switching from "FPM application served by Apache" to "FPM application served by nginx". No idea why this helps, because there is no obvious relation to the PHP extensions mentioned in the error message.

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