Re: SESSION ID Problem.

I concur, I’ve had the same problem with disk space issues. Thanks, Bastien > On Nov 2, 2017, at 12:53 PM, Adam Jon Richardson <adamjonr@gmail.com> wrote: > > On Thu, Nov 2, 2017 at 12:46 PM, Adam Jon Richardson <adamjonr@gmail.com> > wrote: > >>> On Thu, Nov 2, 2017 at 12:39 PM, Tedd Sperling <tedd@sperling.com> wrote: >>> >>> Hi gang: >>> >>> Normally when I want to start a session, I use -- >>> >>> <?php session_start(); >>> >>> — and this has worked for me for years. >>> >>> Starting last semester, my PHP class started having problems with session >>> ID’s. >>> >>> The problem occurs as follows: >>> >>> Student “A" runs their code (using session_start() ) and everything works. >>> >>> Student “B" runs their code (using session_start() ) and the server >>> reports "Permission denied (13) in…” — AND displays the exact same session >>> ID as the first student (Student A). >>> >>> Oddly enough, after a while, things work out and the server starts >>> generating different session ID's for each student. >>> >>> Anyone have an ideas as to why this happens? >>> >>> Keep in mind, that both students have their own separate account on the >>> school's server AND they are running their own scripts . Even my scripts >>> are not immune to this problem. For example try running my script here: >>> >>> >>> http://citw.lcc.edu/~sperlt/citw185/examples/session-page1.php >>> >>> Currently, my script generates: >>> >>> Warning: session_start(): open(/var/cpanel/php/sessions/ >>> ea-php56/sess_qsabg71cg8u6i2dfgpsbmfth74, O_RDWR) failed: Permission >>> denied (13) in /home/sperlt/public_html/citw185/examples/session-page1.php >>> on line 3 >>> >>> However, yesterday the script ran without error. >>> >> >> Sometimes this can mean that there are disk space issues. I've had this >> issue in the past, and one of the answers on SO (by Haz) suggests the same >> thing: >> https://stackoverflow.com/questions/4585086/how-can-i- >> fix-the-permission-error-when-i-call-session-start >> > > And, as David Goodwin noted on that same SO link, it seems like I also had > a garbage collection issue long ago that proved just as unpredictable. If > the issue persists, you could always use a custom handler with MySQL or > SQLite to circumvent it just to ensure your students can avoid issues until > you can figure out the issues. Sometimes I completely purge the tmp > directory (or whatever directory is being written to) just to make sure > there aren't any file permission issues. > > Adam