Which jar contains the following Spring class:
org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter
Which jar contains the following Spring class:
org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter
It is in Spring-Security-Config jar
For Gradle add the following line in dependencies -
implementation group: 'org.springframework.security', name: 'spring-security-config', version: '5.3.0.RELEASE'