It seems that I may have inadvertently loaded the password validation plugin in MySQL 5.7. This plugin seems to force all passwords to comply to certain rules.
I would l
I was having a problem on Ubuntu 18.04 on Mysql. When I needed to create a new user, the policy was always high.
The way I figured out how to disable, for future colleagues who come to investigate, was set to low.
Login to the mysql server as root
mysql -h localhost -u root -p
Set the new type of validation
SET GLOBAL validate_password_policy=0; //For Low
Restart mysql
sudo service mysql restart