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MariaDB/MySQL Server not configureable in Plesk Obsidian: Error 500 Return value of Parser::getDirFilesRecursive() must be of the type array, null returned

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Francisco Garcia
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kb: fixed kb: bug ABT: Group B Plesk Obsidian for Linux

Applicable to:

  • Plesk Obsidian for Linux

Symptoms

  • Plesk Obsidian is installed on Ubuntu 16

  • Opening Tools&Settings > Database Servers > Localhost shows the following error 500:

    CONFIG_TEXT: Server Error 500
    TypeError
    Return value of Plesk\Database\Mysql\Config\Parser::getDirFilesRecursive() must be of the type array, null returned
    Type TypeError
    Message Return value of Plesk\Database\Mysql\Config\Parser::getDirFilesRecursive() must be of the type array, null returned
    File Parser.php
    Line 153

Cause

Product issue:

  • #PPP-45399 "Browsing “Tools & Settings” > “Database Servers” > “MariaDB/MySQL” no longer results in an error if one or more directories containing MySQL configuration files are empty."
    Fixed in:

Resolution

Please consider updating your server:

Workaround

If update is not possible for some reason you may try the following

workaround

  1. Log in to the server over SSH

  2. As root, run this:

    # touch /etc/mysql/mariadb.conf.d/empty_file.conf

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