See gh-4734
@ -205,7 +205,7 @@ public class ConfigurationPropertiesBindingPostProcessor
@Override
public void onApplicationEvent(ContextRefreshedEvent event) {
if (this.validator != null && isJsr303Present()) {
if (this.ownedValidator && this.validator != null && isJsr303Present()) {
this.validator = null; // allow it to be garbage collected
}