Update oauth2-resourceserver.adoc

fix the name of the parameter, from failure to badCredentials

Replaces AuthenticationFailureEvent

Remove AuthenticationFailureEvent Reference

Closes gh-10062

Author: dmitrilc

docs/manual/src/docs/asciidoc/_includes/servlet/authentication/events.adoc

@@ -1,7 +1,7 @@
 [[servlet-events]]
 == Authentication Events
 
-For each authentication that succeeds or fails, a `AuthenticationSuccessEvent` or `AuthenticationFailureEvent` is fired, respectively.
+For each authentication that succeeds or fails, a `AuthenticationSuccessEvent` or `AbstractAuthenticationFailureEvent` is fired, respectively.
 
 To listen for these events, you must first publish an `AuthenticationEventPublisher`.
 Spring Security's `DefaultAuthenticationEventPublisher` will probably do fine:
@@ -27,7 +27,7 @@ public class AuthenticationEvents {
     }
 
     @EventListener
-    public void onFailure(AuthenticationFailureEvent failures) {
+    public void onFailure(AbstractAuthenticationFailureEvent failures) {
 		// ...
     }
 }
@@ -37,7 +37,7 @@ While similar to `AuthenticationSuccessHandler` and `AuthenticationFailureHandle
 
 === Adding Exception Mappings
 
-`DefaultAuthenticationEventPublisher` by default will publish an `AuthenticationFailureEvent` for the following events:
+`DefaultAuthenticationEventPublisher` by default will publish an `AbstractAuthenticationFailureEvent` for the following events:
 
 |============
 | Exception | Event
@@ -62,7 +62,7 @@ To that end, you may want to supply additional mappings to the publisher via the
 public AuthenticationEventPublisher authenticationEventPublisher
         (ApplicationEventPublisher applicationEventPublisher) {
     Map<Class<? extends AuthenticationException>,
-        Class<? extends AuthenticationFailureEvent>> mapping =
+        Class<? extends AbstractAuthenticationFailureEvent>> mapping =
             Collections.singletonMap(FooException.class, FooEvent.class);
     AuthenticationEventPublisher authenticationEventPublisher =
         new DefaultAuthenticationEventPublisher(applicationEventPublisher);

docs/manual/src/docs/asciidoc/_includes/servlet/oauth2/oauth2-resourceserver.adoc

@@ -2026,7 +2026,7 @@ Additionally, it is published as an `AuthenticationFailureBadCredentialsEvent`,
 @Component
 public class FailureEvents {
 	@EventListener
-    public void onFailure(AuthenticationFailureEvent failure) {
+    public void onFailure(AuthenticationFailureBadCredentialsEvent badCredentials) {
 		if (badCredentials.getAuthentication() instanceof BearerTokenAuthenticationToken) {
 		    // ... handle
         }