Question: SpringBoot integration SpringSecurity, obviously the package is imported, but can not achieve the relevant certification interfaces.
Phenomenon: change Maven, looking dependence, see External Libraries jar package related to the relevant interface, there are interfaces, are not related to the introduction of interfaces WebSecurityConfigurerAdapter, you can not use @EnableWebSecurity this annotation, annotations can not import the package required.
Solution: SpringBoot later will depend on the parent unified management version of the module can be a little lower, down 2.1.3.RELEASE, as shown below:
