diff --git a/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/EventPublishingServiceDiscovery.java b/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/EventPublishingServiceDiscovery.java
index b872199364b..1bd3e94c195 100644
--- a/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/EventPublishingServiceDiscovery.java
+++ b/dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/EventPublishingServiceDiscovery.java
@@ -284,6 +284,7 @@ protected final void executeWithEvents(Optional<? extends Event> beforeEvent,
         try {
             action.execute();
         } catch (Throwable e) {
+            logger.error("Execute action throws and dispatch a ServiceDiscoveryExceptionEvent.", e);
             dispatchEvent(new ServiceDiscoveryExceptionEvent(this, serviceDiscovery, e));
         }
         afterEvent.ifPresent(this::dispatchEvent);