Please upgrade to Spring Boot 3.0.0 with Spring Security 6.x ```java public class WebSecurityConfig extends WebSecurityConfigurerAdapter { ``` cannot work with Spring Boot 3.0.0 . See https://stackoverflow.com/questions/74667235/spring-security-6-when-upgrade-to-spring-boot-3-org-springframework-security-a and https://stackoverflow.com/questions/74666596/how-to-fix-error-of-websecurityconfigureradapter-when-upgrade-to-spring-boot-3-0 Thank you very much!