[TYPO3-core] RFC #15937: Bug: [Caching framework] Improve error message if no frontend was defined for core caches

[Steffen Kamper]

Hi,

Ernesto Baschny [cron IT] schrieb:
> Better would be to fallback to "t3lib_cache_frontend_VariableFrontend"
> in case no frontend is defined for a specific caching setup.
> 
> Or maybe I have misunderstood the issue?
> 

this is what i expected too. it's no problem to set VariableFrontend by 
default instead NULL. A log in deprecation could be done (configuration 
without frontend)

btw - what happen when backend is omitted?

vg Steffen