Could not autowire field: AuthenticationManager · Issue #525 · spring-attic/ spring-security-oauth · GitHub
Upgrading to Springboot 2.0 @Autowired AuthenticationManager fails no such bean · Issue #12836 · spring-projects/spring-boot · GitHub
AuthenticationManager bean not found · Issue #2 · in28minutes/full-stack-with-angular-and-spring-boot · GitHub
![java - How can I configure a Spring Security AuthenticationManager to be used with a JdbcUserDetailsManager? - Stack Overflow java - How can I configure a Spring Security AuthenticationManager to be used with a JdbcUserDetailsManager? - Stack Overflow](https://i.stack.imgur.com/otoCC.png)