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need some help from all of u master in drupal + ubercart
the main problem is white screen
it always happens at random moment after button submit pressed
or even when people trying to login
each time datas are send to the database correctly but nothing is returned
at first i thought it only happen when a data need tobe saved to db
but even when in admin/content/node, when i try to change the category
and i think this one using session instead of save option to db
i've already change the general suspects such as:
- memory_limit already (higher than 200MB)
- max_allowed_packet (already 64MB)
- white space after ?> in template.php
- removing all ?> in all custom module
- updating all module
- check apache log (nothing here)
- check php log (nothing here)
- check drupal log (nothing here)
- activate php error: E_ALL (give nothing other than white screen)
so actually there is no error that has been detected or recorded by apache, php, mysl and even drupal itself
the site is http://www.one.nl and it's on a dedicated server which use plenty memory (3GB, for some reason drupal + ubercart use almost 50% of this memory)
the only this that i can do each time this white screen come to visit is resetting our domain (not the whole server)
my question is why do this happen
is it because some of module incompatibility?
is it because there about 50 domains in this dedicated server (not all of them active)
is it because our dedicated server still using pentium 4 as processor
is there any possibility to check why do i get this white screen?
do you guys have any solution regarding this matter?