validation failed on the message sent to STDOUT, RR docs: https://roadrunner.dev/docs/known-issues-stdout-crc/2.x/en, invalid message: ... means that you or some application sent a non-correct message (raw) to the
STDOUT is reserved for the RR communication with the PHP process via the
goridge protocol (
How to fix that?
STDERR instead of
STDOUT. You may see the output after the
invalid message. It might be shrunk on
echo inserted by you. PHP workers can redirect
echo automatically from the
STDERR but only after the worker is initialized fully.
error_reporting configuration option (use only errors): issue
APP_RUNTIME to the server environment variables, as described here: https://github.com/php-runtime/roadrunner-symfony-nyholm.