-import org.springframework.security.userdetails.User;
-import org.springframework.security.userdetails.UserDetails;
-import org.springframework.security.userdetails.UsernameNotFoundException;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UsernameNotFoundException;