Could not autowire field: private org.springframework.security.authentication.AuthenticationManager

Question

I\'m trying to create OAuth2 Server Provider using this tutorial Spring OAuth2 . The main difference between example and my project - I do not use Spring Boot. I try to split th

Answer 1

After you add the bean You should remove @Autowired from authenticationManager

  private AuthenticationManager authenticationManager;
  @Bean
  public AuthenticationManager customAuthenticationManager() throws Exception {
      return authenticationManager();
  }