[Flow] Occasinal Exception in Production Context

[Christian Loock]

Hi,

we occasionally get some exceptions on our production server for our 
flow application that will somewhat look like this one here:

Uncaught exception #1169047619 in line 227 of 
/var/www/flow_vkf_admin/releases/20140714115757/Packages/Framework/TYPO3.Flow/Classes/TYPO3/Flow/Cache/Backend/SimpleFileBackend.php: 
Could not unlink file 
"/var/www/flow_vkf_admin/releases/20140714115757/Data/Temporary/Production/Cache/Data/Flow_Reflection_RuntimeData/VKF_Core_Controller_CustomerSystemController".

Of course it does not state why it cant unlink the file. This is getting 
somewhat annoying, even though it does not break the application, from 
time to time the exception message will pop up. I also wonder, why 
Caches are getting deleted so frequently (seems like every minute) on a 
node that runs in production context.

Any hints on what to look for? Might it be a filesystem related problem?

-- 
Christian Loock
Web Developer
Renzel Agentur
www.renzel-agentur.de