Am 18.01.2011 01:33, schrieb Jimmy Stewpot:

I currently have a strange issue where we are seeing 'random errors' being 
displayed to end users. What I find most interesting is that in the php.ini 
file we have the following error settings.

error_reporting  =  E_ALL&  ~E_NOTICE
display_errors = Off
display_startup_errors = Off
log_errors = On
log_errors_max_len = 1024
ignore_repeated_errors = Off
track_errors = Off

I thought that if we had dislay_errors = Off then end users should never see 
errors displayed on the web page. However at apparently random times we do 
still see errors being reported, its not consistent at all. To give a better 
idea of the problem we have 8 web servers, they all run an identical copy of 
the site which is stored on a common netapp nfs filer. At apparently random 
times we see that 1 out of 8 servers will reported strange errors like 'use of 
undefined constant' or 'Undefined variable'. What's most strange about these 
errors is that if the code was faulty wouldn't we expect to see the errors on 
all web servers? and secondly wouldn't we expect to see the errors constantly 
rather than at apparently random intervals?

The php.ini files have a modify time of mid 2010 and yet this problem has only 
started in the last few weeks. Has anyone else experienced similar problems in 
the past and if so what was the root cause?


i think some developer has setting the display_errors with ini_set('display_errors', true);
this is why your become the problems now. Maybe this is a idea?



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