Fatal Error - Too many open files

Question

I try to run PHPUnit Tests in my new machine and I get this error:

PHP Fatal error: Uncaught exception \'UnexpectedValueException\' with message \'Re

Answer 1

Maybe, you have some error with file /etc/init.d/phpx.x-fpm. Let’s restart it:

sudo /etc/init.d/php7.2-fpm restart

Answer 2

In php, before the execution, try this

exec('ulimit -S -n 2048');