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#1 2013-02-11 12:47:58

Registered: 2012-10-15
Posts: 3

PHP not storing sessions to custom path after upgrade

I have a server running archlinux, lighttpd and php.

PHP is configured to store session files to a custom path: /tmp/php_sessions, instead of the default /tmp.
A startup script makes sure that /tmp/php_sessions is created before lighttpd is started, and that writing permissions are given to the http user.

This always worked OK. Today, I updated the entire system, and since then, it stopped working through lighttpd. However, from the CLI it still works.

Lighttpd runs as http user, so to check permissions I did this:

su http --shell=/bin/bash
echo "<?php session_start(); ?>" | php

This correctly creates the a session file in /tmp/php_sessions. However, running a PHP file containing


through the webserver does not produce any errors at all, but no file is created in /tmp/php_sessions. When reloading the page, a error message like this will appear in the lighttpd logfiles:

2013-02-11 13:37:59: (mod_fastcgi.c.2676) FastCGI-stderr: PHP Warning:  session_start(): open(/tmp/php_sessions/sess_hcb2d4chg4hobal5r1g8mc2847, O_RDWR) failed: No such file or directory (2) in /srv/http/index.php on line 39

So, the cookie was correctly placed, but the session file is not created.

Commenting out the session.save_path line in /etc/php/php.ini 'solves' this problem, after this, the files are correctly created in /tmp/

/tmp is listed in open_basedir in /etc/php/php.ini

Any clues what might be causing this issue? Currently, I resorted to using /tmp, but I would strongly prefer to save the PHP session files separate from the rest of the /tmp contents.


#2 2013-02-20 10:34:06

Registered: 2012-10-15
Posts: 3

Re: PHP not storing sessions to custom path after upgrade



#3 2013-02-20 13:48:45

From: Athens, Greece
Registered: 2008-07-28
Posts: 686

Re: PHP not storing sessions to custom path after upgrade

php-fpm.service contains PrivateTmp=true which means that /tmp is actually a bind mount to /tmp/systemd-private-XXXXXX.

A way to solve this would be to move the php_sessions directory to e.g. /var/lib/php/sessions.


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