HHH-14293 Reset the ReflectionManager state after SessionFactory is initialized

hibernate-core/src/main/java/org/hibernate/internal/SessionFactoryImpl.java

@@ -392,6 +392,10 @@ public class SessionFactoryImpl implements SessionFactoryImplementor {
 					this,
 					serviceRegistry.getService( JndiService.class )
 			);
+
+			//As last operation, delete all caches from ReflectionManager
+			//(not modelled as a listener as we want this to be last)
+			metadata.getMetadataBuildingOptions().getReflectionManager().reset();
 		}
 		catch (Exception e) {
 			for ( Integrator integrator : serviceRegistry.getService( IntegratorService.class ).getIntegrators() ) {