create database springbootsec;
and when application is up and running i.e when tables gets created in database,execute these quries
insert into role values(uuid(),"ROLE_ADMIN");
insert into role values(uuid(),"ROLE_USER");
http://localhost:8080/spring-boot-security/register
for creating first user
http://localhost:8080/spring-boot-security/abc
spring security always redirect you back to login url
http://localhost:8080/spring-boot-security/login
after entering usernme and password