Knowledge Base

Unable to open Plesk PHP Composer extension on the domain level: plesk/composer-command-info contains a Composer plugin which is blocked by your allow-plugins config

Symptoms

In an attempt to access PHP Composer page in Plesk > Domains > example.com, the process fails with the error:

plesk/composer-command-info contains a Composer plugin which is blocked by your allow-plugins config.
You may add it to the list if you consider it safe. You can run "composer config --no-plugins allow-plugins.plesk/composer-command-info [true|false]" to enable it (true) or disable it explicitly and suppress this exception (false)
See https://getcomposer.org/allow-plugins

Cause

Product issue:

#EXTPHPCOMP-202 "The extension no longer fails while updating an integration plugin."
Fixed in:
- PHP Composer 1.2.2 14 July 2022

Resolution

Please consider updating the PHP Composer extension:

How to update Plesk extensions

Workaround

In case the issue persist after updating the PHP Composer extension to its latest while the Composer engine version is 2.3.9 or higher:

This is a product issue EXTPHPCOMP-209. "Since Composer 2.3.9 (engine) behavior of allow-plugins blocks the "Update" function", which will be fixed in future extension updates.

In the meantime or if the PHP Composer extension cannot be updated by some reason, apply the following:

Workaround

Log into Plesk.
Go to Domains > example.com > File Manager.
Open composer.json file in Home Directory > .composer:
Change the file content from:
{
"require": {
"plesk/composer-command-info": "~1.1.0"
}
}

To

{
"require": {
"plesk/composer-command-info": "~1.1.0"
},
"config": {
"allow-plugins": {
"plesk/composer-command-info": true
}
}
}
Press the Save button.