Itay Moav -Malimovka Itay Moav -Malimovka - 1 year ago 134
PHP Question

Issues with PHP 5.3 and sessions folder

I recently upgraded to PHP 5.3 and since then I get (sporadic) error messages which indicate Apache (or may be the cleaner of the session files) has no permissions to the folder where the sessions are stored.

This happens randomly and can't be reproduced with exact steps, which led me to guess it is the session cleaner.

Any one has any experience with such errors?

The error message (which is fired on the

line) is:

opendir(/var/lib/php5) failed:
Permission denied.

ls -ltr on the session directory gives:

drwx-wx-wt 2 root root 4096 2010-05-25 12:39 php5

Inside this directory I do see session files owned by www-data which is my Apache, and the app does work fine.
Which makes me wonder, under which user does the session GC runs?

Answer Source

The fix: In your php.ini set session.gc_probability to 0

The cause I believe I found the answer here

Essentially, the garbage collection is set up to be done by cron jobs on some systems (i.e. Ubuntu/Debian). Some php ini executables like php-cli also try to do garbage collection and that results in the error you got.

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