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[Phpgroupware-tracker] [Bug #1792] Calendar causes login to hang on Apa

From: nobody
Subject: [Phpgroupware-tracker] [Bug #1792] Calendar causes login to hang on Apache 2.0.39
Date: Tue, 08 Apr 2003 15:44:09 -0400

=================== BUG #1792: LATEST MODIFICATIONS ==================

Changes by: Ralf Becker <address@hidden>
Date: Tue 04/08/2003 at 21:44 (Europe/Berlin)

            What     | Removed                   | Added
              Status | Open                      | Closed

------------------ Additional Follow-up Comments ----------------------------
Closed due to no response after 2 weeks of followup being posted

=================== BUG #1792: FULL BUG SNAPSHOT ===================

Submitted by: timc                    Project: phpGroupWare                 
Submitted on: Sun 11/24/2002 at 14:41
Category:  calendar                   Bug Group:  0.9.14 release            
Severity:  5 - Major                  Priority:  High                       
Resolution:  Works for me             Assigned to:  None                    
Status:  Closed                       Component Version:  CVS               
Platform Version:  Linux - Mandrake   Reproducibility:  Every Time          

Summary:  Calendar causes login to hang on Apache 2.0.39

Original Submission:  When attempting to log in to phpGroupWare via an Apache 
2.0.39 server, the login process will fail if the calendar application is 
enabled. Logging in via Apache 1.3.26 works OK, using exactly the same php 
configuration options. Similarly logging in when the calendar app is disabled, 
then enabling it.

When I try to log in with calendar enabled under Apache 2, a session is 
created, which can be seen by a subsequent login using one of the other methods 
described above. The action that is listed when I view the session is 
"/phpgroupware/home.php". There do not appear to be any new log entries 
generated for the login, either in the apache logs or the phpGW logs.

The only difference that I can see is apache itself - possibly something in the 
calendar login procedure is not thread safe, and so is setting off a race 
condition? Unfortunately I do not have enough experience with this project to 
be able to track the issue down myself.

Thanks in advance for any assistance you can offer.

Follow-up Comments

Date: Tue 04/08/2003 at 21:44       By: ralfbecker
Closed due to no response after 2 weeks of followup being posted

Date: Sat 03/08/2003 at 00:05       By: ralfbecker
We (skwashd, reinerj and I) can only imagine its a problem between apache2 and 
php4. We have no reports from other users about that and noone can reproduce it.

I dont think it could be related to the actual code of calendar, as it does NOT 
get called.

Out only suggestion is to upgrade to the latest versions of apache2 and php4 
and try again. 

Good Luck

Date: Fri 11/29/2002 at 01:32       By: timc
No, even with "show calendar on default screen" turned off, I still cannot load 
the welcome screen either via the login or by clicking on welcome if I am 
already logged in.

My work around for the moment is that I have set my default application to be 
email, and thus I completely bypass the "Welcome" screen.

Date: Fri 11/29/2002 at 00:43       By: skwashd
Does calendar function if you have it installed, but not showing on the main 

Date: Mon 11/25/2002 at 02:01       By: timc
Php info:
*Version = 4.2.2
*Config info: './configure' \
'--with-apxs2=/usr/local/apache2/bin/apxs' \
'--with-mysql' \
'--with-gd=/usr/local' \
'--with-zlib-dir=/usr/local' \
'--with-xml' \
'--with-jpeg-dir=/usr/local' \
'--with-png-dir=/usr/local' \
'--with-pgsql=/home/postgres' \
'--with-config-file-path=/usr/local/apache/conf' \
'--enable-debug=no' \
'--enable-track-vars' \
'--with-mcrypt' \
'--enable-memory-limit' \
'--enable-inline-optimization' \
'--enable-magic-quotes' \
'--with-mcal=/usr/local/mcal' \
'--with-imap=../imap-2002.RC2' \

Apache Info:
*Version: 2.0.39
*Using worker mpm

PhpGW Info:
*Version: 0.9.14 from CVS (i.e. cvs -r Version-0_9_14-branch)
*Sessions type: php4
*Session ID currently stored in URL - I have tried cookie as well
*Using pure html compliant code = no
*I do have "show default view on mainscreen" enabled. Indeed, looking at it 
further, I cannot load the "Welcome" screen when calendar is enabled. Removing 
the calendar from the mainscreen does not, however fix this problem.

Do you need any other info?

Date: Sun 11/24/2002 at 23:20       By: lkneschke
I have
# httpd -v
Server version: Apache/2.0.43
Server built:   Nov 19 2002 22:28:49

and php-4.3.0-dev and it works fine. Please give us more input.

Which php-version are you using?

Date: Sun 11/24/2002 at 22:17       By: ralfbecker
That sound's very strange. The cal does no extra or separate login / session 
Which type of sessions are u useing php4 or db?
Where do u store the session Id: cookie or url?
Do you have 'show default view on mainscreen' enabled in your cal prefs? If not 
none of the calendar code is called before u click on the cal-icon in navbar. 
Can u try to to disable the cal on the start- / home-page?


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