diff --git a/redback-integrations/redback-rest/redback-rest-services/src/main/java/org/apache/archiva/redback/rest/services/DefaultRoleManagementService.java b/redback-integrations/redback-rest/redback-rest-services/src/main/java/org/apache/archiva/redback/rest/services/DefaultRoleManagementService.java
index 4c6bf72b..22d2b5ea 100644
--- a/redback-integrations/redback-rest/redback-rest-services/src/main/java/org/apache/archiva/redback/rest/services/DefaultRoleManagementService.java
+++ b/redback-integrations/redback-rest/redback-rest-services/src/main/java/org/apache/archiva/redback/rest/services/DefaultRoleManagementService.java
@@ -84,6 +84,9 @@ public class DefaultRoleManagementService
         this.roleManager = roleManager;
         this.rbacManager = rbacManager;
         this.userManager = userManager;
+
+        log.debug( "use rbacManager impl: {}", rbacManager.getClass().getName() );
+        log.debug( "use userManager impl: {}", userManager.getClass().getName() );
     }
 
     public Boolean createTemplatedRole( String templateId, String resource )