Describe the issue or problem Please tell us what happens and what you expected to happen. when i open a browser directed to ojs, it says, Fatal error : Uncaught → Smarty: unable to write file /var/www/html/cache/t_compile/wrt63232fdf467111_12164032 ← thrown in /var/www/html/lib/pkp/lib/vendor/sm…

Thanks for your attentions. The issue is now solved. The reason why this happen is that, i use chmod 777 on “cache” “public” “plugins”, however, the content of them cannot be changed. so i use “chmod -R 777” instead. this works. Thanks again.

The cache directory and all files and subdirectories need to have write permissions for the Apache user. Did you follow the installation instructions closely as in ojs/README.md at main · pkp/ojs · GitHub ?

yes i followed the pkp installation instruction i set permissions with chnmod 777 for them.

Yes, recursive is the trick. And 777 is too much, you don’t want give write access to externals.

Hi all, Note that 777 permissions are generally not safe to use in a shared environment. It can be useful for debugging but should not be used in production. Thanks, Alec Smecher Public Knowledge Project Team

when i set with: chmod -R 775 config.inc.php cache plugins public The plugins cannot be used. all plugins shows error: [Failed Ajax request or invalid JSON returned!] some pages in Statistics reports http 500 error. when i set chmod -R 777 config.inc.php cache plugins public everything will be …

Hi @yhangde , What user owns the directory (and its contents), and what PHP SAPI does your server use? Regards, Alec Smecher Public Knowledge Project Team

about the directory, please refer the follow pic. [image] about the php sapi, i guess its php-fpm, i dont know how to determine it. ref: [image]

Hi @yhangde , You can determine your SAPI by looking at your phpinfo page. What is the ownership of the files created by PHP/OJS (e.g. inside cache/t_compile)? Regards, Alec Smecher Public Knowledge Project Team