Website on Plesk server is not accessible, when domain name contains uppercase letters: Service Temporarily Unavailable – Plesk Help Center

Applicable to:

#PPPM-4284 "[ FireStorm GmbH ] Websites with uppercase letters are not working if they are configured with handler Apache+PHP-FPM (as PPP-25110)"
Fixed in:
- Plesk Obsidian Release Candidate 1.0 04 June 2019

Please consider updating your server:

Website inaccessible with the following error:

CONFIG_TEXT: Service Temporarily Unavailable
The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.
A website on Magento is inaccessible with the error:

CONFIG_TEXT: ERR_TOO_MANY_REDIRECTS
Website name contains upper-case letters and it is using Apache + PHP-FPM.
The following error can be found in /var/www/vhosts/example.com/logs/error_log:

CONFIG_TEXT: [proxy:error] [pid 11255] (2)No such file or directory: AH02454: FCGI: attempt to connect to Unix domain socket /home/httpd/vhosts/system/example.com/php-fpm.sock (*) failed
[proxy_fcgi:error] AH01079: failed to make connection to backend: httpd-UDS, referer: https://example2.com/profiles/ticket/XJ-447-329/conversation
Domain reconfiguration fails:

CONFIG_TEXT: ERR [panel] Apache config generation failed: Template_Exception: mkdir: cannot create directory `/var/www/vhosts/system/Example.com/conf': No such file or directory mktemp: failed to create file via template `/var/www/vhosts/system/Example.com/conf/httpd.conf.XXXXXX': No such file or directory Can not create temporary file: /usr/local/psa/admin/plib/Template/Writer/Webserver/Abstract.php line: 75 code: 0 mkdir: cannot create directory `/var/www/vhosts/system/Example.com/conf': No such file or directory mktemp: failed to create file via template

This is Apache bug (57968) which is recognized as Plesk bug with ID PPPM-4284. The bug already fixed in Plesk Obsidian Release Candidate 1.0.

Upgrade to Plesk Obsidian Release Candidate 1.0 which is currently available for early adopters.

If upgrade is not possible, as a workaround do the following:

Log into Plesk UI.
Go to Plesk > Domains > example.com > PHP Settings and change PHP handler to PHP FastCGI or PHP FPM served by nginx.
or

Recreate or rename the subscription using lowercase letters only. The renaming can be done at Subscriptions > example.com > Domains > Hosting Settings. Since direct renaming will throw the "domain name already exists" error, use the following scheme: example.com - example2.com - example.com.

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