Well, one part of the problem is actually not a problem. Settings in global overrides override siteaccess settings. So that part is actually correct. But if you don't specify a setting in global override and you do specify it in siteaccess settings, they should be used if you are in that siteaccess of course.
WHat configuration do you have? Which version of eZ, APache, PHP?
All my premissions for all files in all subdirs of settings are set to 777 so that is not the problem. And I double checked, the settings that I set ONLY in siteacces files are ingored. And also I have this.
TemplateCompile=enabled
in the original site.ini file but in the admin interface I still get:
TemplateCompile siteacces disabled
I also tried removing the file site.ini.append.php for this siteacces but i still get:
TemplateCompile siteacces disabled
How can that be?
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Nothing is impossible. Not if you can imagine it!