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PHP scripts fails with the following error: Unable to load dynamic library sodium.so : cannot open shared object file: No such file or directory

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Martin Dias
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kb: fixed kb: bug Plesk Obsidian for Linux

Applicable to:

  • Plesk Obsidian for Linux

Symptoms

  • Certain PHP applications running on PHP 8.1.7, 8.0.20 or 7.4.30 fail with:

    PHP Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /opt/plesk/php/7.4/lib/php/modules/sodium.so (/opt/plesk/php/7.4/lib/php/modules/sodium.so: cannot open shared object file: No such file or directory), /opt/plesk/php/7.4/lib/php/modules/sodium.so.so (/opt/plesk/php/7.4/lib/php/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0

Cause

Product issue:

  • #PPPM-13609 "The Sodium extension is now dynamic for PHP 7.4, 8.0, and 8.1 again."
    Fixed in:

Resolution

Please consider updating your server:

Workaround

  1. Connect to the server via SSH

  2. Remove/Move the leftover file:

    for PHP 8.1

    # mv /opt/plesk/php/8.1/etc/php.d/sodium.ini /root/sodium.ini_81

    for PHP 8.0

    # mv /opt/plesk/php/8.0/etc/php.d/sodium.ini /root/sodium.ini_80

    for PHP 7.4

    # mv /opt/plesk/php/7.4/etc/php.d/sodium.ini /root/sodium.ini_74

Additional information

Sodium is now packed within the Plesk shipped PHP itself and is not a separate module anymore.

Comments

5 comments

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  • Avatar
    Marcos Espert

    On my server (Ubuntu 22.04 LTS and Plesk Obsidian Version 18.0.44 Update 2) there are none of the mentioned sodium.ini files and I get the mentioned error.

    2
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  • Avatar
    Nicolas BAUMONT

    0
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  • Avatar
    Rene Siemon

    Hi,

    # sudo apt-get install plesk-php74-sodium

    Reading package lists... Done
    Building dependency tree
    Reading state information... Done
    Package plesk-php74-sodium is not available, but is referred to by another package.
    This may mean that the package is missing, has been obsoleted, or
    is only available from another source
    However the following packages replace it:
      plesk-php74

    E: Package 'plesk-php74-sodium' has no installation candidate

    #-----

    /opt/plesk/php/7.4/bin/php -m |grep -2 sodium
    PHP Warning:  PHP Startup: Unable to load dynamic library 'sodium' (tried: /opt/plesk/php/7.4/lib/php/modules/sodium (/opt/plesk/php/7.4/lib/php/modules/sodium: cannot open shared object file: No such file or directory), /opt/plesk/php/7.4/lib/php/modules/sodium.so (/opt/plesk/php/7.4/lib/php/modules/sodium.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
    soap
    sockets
    sodium
    SPL
    sqlite3

    0
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  • Avatar
    Martin Dias

    Rene Siemon the package was removed as it is not needed anymore, it is now shipped with our builds

    Please remove the leftover ini files as described in the article, should that not help, open a ticket with us to check it further

    0
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  • Avatar
    Rene Siemon

    Hi Martin,
    the problem was fixed with the last plesk update.

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