ID:               20449
 Comment by:       sansoy at gsn dot com
 Reported By:      josh at zebotech dot com
 Status:           No Feedback
 Bug Type:         Session related
 Operating System: redhat 7.3
 PHP Version:      4.3.0-dev
 New Comment:

We just started having random session errors when we compiled with
--xmlrpc. We're running PHP 4.3.0 and APACHE 1.3.27 .

The specific error we were seeing is Fatal error:
session_start()[function.session-start}: Failed to initialize session
module in /home/www/test.php on line 2

After recompiling without --xmlrpc the random session error
disappeared.


Previous Comments:
------------------------------------------------------------------------

[2003-06-10 07:22:36] phpbugs at virtua dot ch

We are still having the same issue here with php-4.3.3 ... Currently
testing latest snapshots. Config : FreeBSD 4.7 UP, Apache 1.3.27,
standard /tmp session handling. One of our developers even tried a
print_r($_SESSION) and found part of the php source file in it !!!!!!

There seem to be some leakage somewhere !!!!!

------------------------------------------------------------------------

[2003-06-09 08:44:10] [EMAIL PROTECTED]

No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.



------------------------------------------------------------------------

[2003-06-02 17:09:32] [EMAIL PROTECTED]

This should be fixed in PHP 4.3.2, so please give it a try.


------------------------------------------------------------------------

[2003-06-02 14:44:35] radek at pinkbike dot com

I also have seen behaviour of missing session data.  I have detected
this in the custom shopping cart I have written.  Every 20 or 30 orders
we get a "blank" order.  This blank order is a result of the session
cart is not picked up on the last stage of the purchase process.  I
went through my code a million times to try to figure out how I could
of caused this but reading this bug report I starting to think it maybe
a result of php session/serialization.  Like the other person with the
shopping cart stated, who knows how many users don't even make it to
the last step and their cart disappears. 

I store associative arrays in the session
I run on a dual CPU intel box
The site is relatively high load - 3 million hits a day
I have not been able to reproduce the problem myself
It has been happening regularly since January when i put up the
software - it happens on a few versions of php since Jan 2003

What are options here?  Any documentation, warnings about what not to
store in php sessions?
Should I be writting my own handler/serializer?



here are the box details
Apache/1.3.26 
PHP Version 4.3.1 
System  Linux superlight 2.4.20-xfs #2 SMP Mon Apr 7 21:06:32 CDT 2003
i686  
Build Date  May 1 2003 00:21:10  
Configure Command  './configure' '--with-apxs=/usr/bin/apxs'
'--with-mysql=/usr/local/mysql' '--with-openssl' '--with-zlib'
'--with-mcrypt' '--enable-shmop' '--enable-sysvshm' '--enable-sysvsem'
'--enable-mbstring' '--with-gd' '--with-png-dir=/usr'
'--with-jpeg-dir=/usr' '--enable-mbstring' '--with-curl=/usr/local'
'--enable-exif'  
Server API  Apache  
Virtual Directory Support  disabled  
Configuration File (php.ini) Path  /usr/local/lib/php.ini  
PHP API  20020918  
PHP Extension  20020429  
Zend Extension  20021010  
Debug Build  no  
Thread Safety  disabled  
Registered PHP Streams  php, http, ftp, https, ftps, compress.zlib

------------------------------------------------------------------------

[2003-05-24 01:15:44] brian dot diekelman at andrews dot af dot mil

I just upgraded from snaps.php.net yesterday and am still experiencing
this bug.  I am running a very simple authentication script at the
beginning of every page to check a generic $_SESSION['user'] to see if
there is an active session.  If there is not it prompts for login.

  The session only holds the user name and password.  Now I have heard
a lot of people in my organization complaining that they'll be browsing
the site and it will randomly prompt for login.  I have also
experienced this myself.  I have heard a couple people in this bug
thread attribute losing the session to php's handing of arrays, which
very well may be true but in my case I am losing sessions on a lot more
basic level.

System:
----------
Win2K SP2
Apache 2.0.45
PHP 4.3.x (downloaded from snaps yesterday)

------------------------------------------------------------------------

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the rest of the comments, please view the bug report online at
    http://bugs.php.net/20449

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