Alfonso Ristorato

Addressing issue I created https://github.com/spring-projects/spring-security/issues/18229. Not sure if this was ever intended to be nullable, but as we throw when token is null it makes sense to me to add...

Multi tenancy and AuthenticationManagerResolver

1

**Describe the bug** Up to 6.5.7, you were able to create (in Kotlin) a class that implements `AuthenticationManagerResolver` and handle potential multi-tenancy as below (below is a simplified version, but...