[#4910] fixed registration center response exception cause nullPointerException (#4911)

chengyouling · web-flow · commit c064070b2ec9 · 2025-09-01T09:21:35.000+08:00
diff --git a/clients/service-center-client/src/main/java/org/apache/servicecomb/service/center/client/ServiceCenterRegistration.java b/clients/service-center-client/src/main/java/org/apache/servicecomb/service/center/client/ServiceCenterRegistration.java
@@ -291,7 +291,7 @@ public void execute() {
         if (failedCount == 2) {
           LOGGER.error("send heart failed, and will try again.", e);
         } else {
-          LOGGER.warn("send heart failed, and will try again. message [{}]", e.getCause().getMessage());
+          LOGGER.warn("send heart failed, and will try again. message [{}]", e.getMessage());
         }
         eventBus.post(new HeartBeatEvent(false, microservice, microserviceInstance));
         startTask(new BackOffSleepTask(failedCount + 1, new SendHeartBeatTask(failedCount + 1)));

Original file line number	Diff line number	Diff line change
`@@ -291,7 +291,7 @@ public void execute() {`
`291`	`291`	`if (failedCount == 2) {`
`292`	`292`	`LOGGER.error("send heart failed, and will try again.", e);`
`293`	`293`	`} else {`
`294`		`- LOGGER.warn("send heart failed, and will try again. message [{}]", e.getCause().getMessage());`
	`294`	`+ LOGGER.warn("send heart failed, and will try again. message [{}]", e.getMessage());`
`295`	`295`	`}`
`296`	`296`	`eventBus.post(new HeartBeatEvent(false, microservice, microserviceInstance));`
`297`	`297`	`startTask(new BackOffSleepTask(failedCount + 1, new SendHeartBeatTask(failedCount + 1)));`