[PHP] Intermittent etwork connection errors with apache. Restarting apache temporarily fixes the problem. PHP or apache problem?

2010-01-04 Thread Mark London 
Hi - At the top of my php scripts, I have code to connect to our ldap 
server, in order for the scripts to make ldap requests.  I don't have 
any disconnect call in my code.  Lately I have noticed that the apache 
server will get into a state where connection requests will occasionally 
fail.  When I refresh the page, the connection almost always succeeds on 
the 2nd attempt.   If I restart the apache server, the problem totally 
goes away for a long period of time.   So I assume that somewhere, 
something is causing connections to stay opened when the script ends, 
rather than automatically closing them.


This error occurs with other types of network connections that the 
script makes (besides ldap), so it's not an ldap issue.


How does Apache automatically close connections when the script ends?  
Is it possible that connections are being left opened?  Is there any way 
to debug the problem, i.e. to see if connections are left opened in some 
way?


I'm running redhat 5, httpd-2.2.3-31.el5_4.2 php-5.1.6-23.2.el5_3

Thanks. - Mark

  


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Re: [PHP] Distinguishing between a mouse click and a refresh?

2006-12-05 Thread Mark London 
Hi - Thanks!  This is the solution I actually realized myself last 
night, after many hours of looking at the other solutions and finding 
problems with them.  Thanks to everyone who responded! - Mark


Richard Lynch wrote:

On Mon, December 4, 2006 3:03 pm, Mark London wrote:
  

Is there any way for PHP to know whether it is being called due to a
browser refresh versus a mouse click?  I think the answer is no but I
just want to be sure.  Thanks.



You could embed a random token in all your links and input forms, and
if they re-use a token, then you know they are re-loading something
they have seen at some time in the past.

[PHP] Distinguishing between a mouse click and a refresh?

2006-12-04 Thread Mark London 
Is there any way for PHP to know whether it is being called due to a 
browser refresh versus a mouse click?  I think the answer is no but I 
just want to be sure.  Thanks.


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